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Your music + our passion
651R/751R
azur
ENGLISH
AV receiver
User’s manual
2
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  • Page 1

    azur
    651R/751R

    Your music + our passion

    ENGLISH

    AV receiver
    User’s manual
    2



  • Page 2

    Contents
    Introduction .........................................................................................................3

    Trigger Outputs............................................................................................31

    Important safety instructions .............................................................................4

    Bi-amping .....................................................................................................32

    Limited warranty .................................................................................................5

    Tone/Sub/LFE configuration......................................................................32

    Front panel controls............................................................................................6

    Recording.....................................................................................................32

    Rear panel connections......................................................................................8

    Record 2/Zone 2 Output Select.................................................................33

    Zone 2 remote control........................................................................................9

    OSD setup/software version ......................................................................33

    Apple device compatibility ...............................................................................10

    Advanced Dolby/DTS adjustments ............................................................33

    Main remote control .........................................................................................10

    Dynamic range control................................................................................33

    Loudspeaker connections................................................................................11

    Source Naming............................................................................................33

    Front panel display ...........................................................................................11

    Using the 651R/751R with an IR repeater system..................................34

    Digital audio connections.................................................................................12

    Zone 2 setup and use.................................................................................34

    Analogue audio connections............................................................................12

    DTS-HD speaker re-map .............................................................................36

    HDMI input connections...................................................................................13

    Custom installation (C.I.) use...........................................................................38

    Analogue video input connections ..................................................................13

    Reset/Back-up memory ...................................................................................38

    Video output connection (HDMI A & B)...........................................................14

    Troubleshooting ................................................................................................38

    5.1/7.1 direct in ...............................................................................................14
    7.1 preamp out .................................................................................................15
    Aerial connections ............................................................................................15
    FM aerial ...........................................................................................................15
    AM loop aerial ...................................................................................................15

    Make sure you register your purchase.

    Front input connections ...................................................................................15

    Visit: www.cambridge-audio.com/sts

    651R/751R setup ............................................................................................16

    By registering, you’ll be the first to know about:
    ● Future product releases
    ● Software upgrades
    ● News, events and exclusive offers plus
    competitions!

    Speaker setup .............................................................................................16
    Front Left and Right speakers....................................................................16
    Centre speaker ............................................................................................16
    Surround Left and Right speakers.............................................................16
    Subwoofer....................................................................................................16
    Surround Back Left and Right speakers ...................................................16
    Front Left and Right Height speakers .......................................................16
    Audyssey 2EQ® and Autosetup .................................................................18
    Source setup ...............................................................................................21
    Audio connection type ................................................................................21
    Scaler assign/processing ...........................................................................21
    Assigning video inputs ................................................................................21
    Video processing settings...........................................................................22
    Surround sound modes....................................................................................22
    DSP modes........................................................................................................23
    Analogue stereo direct .....................................................................................23
    Multi channel PCM ...........................................................................................23
    USB Audio (751R only).....................................................................................24
    Use with PCs .....................................................................................................24
    Use with Macs...................................................................................................24

    This guide is designed to make installing and using this product
    as easy as possible. Information in this document has been
    carefully checked for accuracy at the time of printing; however,
    Cambridge Audio's policy is one of continuous improvement,
    therefore design and specifications are subject to change
    without prior notice.
    This document contains proprietary information protected by
    copyright. All rights are reserved. No part of this manual may be
    reproduced by any mechanical, electronic or other means, in
    any form, without prior written permission of the manufacturer.
    All trademarks and registered trademarks are the property of
    their respective owners.
    Incognito and Incognito Ready are trademarks of Cambridge
    Audio Ltd. All rights reserved.
    © Copyright Cambridge Audio Ltd 2012
    Manufactured under license from Dolby Laboratories. Dolby,
    Pro Logic, and the double-D symbol are trademarks of Dolby
    Laboratories.
    Manufactured under license under U.S. Patent Nos:
    5,956,674; 5,974,380; 6,226,616;6,487,535; 7,212,872;
    7,333,929; 7,392,195; 7,272,567 & other U.S. and worldwide
    patents issued & pending. DTS-HD, the Symbol, & DTS-HD and
    the Symbol together are registered trademarks & DTS-HD
    Master Audio is a trademark of DTS, Inc. Product includes
    software. © DTS, Inc. All Rights Reserved.

    Use with Linux...................................................................................................24
    Operating instructions ......................................................................................25
    Selecting the source ...................................................................................25
    Using the tuner............................................................................................30
    Storing stations ...........................................................................................30
    Lip sync ........................................................................................................30
    Audio Return Channel.................................................................................30
    Picture adjustment......................................................................................30
    Audio split mode..........................................................................................31
    HDMI A and B outputs ................................................................................31

    2

    Manufactured under license from Audyssey Laboratories™, Inc.
    U.S. and foreign patents pending.
    Audyssey 2EQ® , Audyssey Dynamic EQ®, And Audyssey
    Dynamic Volume® are registered trademarks and trademark
    of Audyssey Laboratories, Inc.
    "HDMI","HDMI logo" and "High-Definition Multimedia Interface"
    are trademarks or registered trademarks of HDMI Licensing
    LLC.



  • Page 3

    azur

    651R/751R

    Thank you for purchasing your 651R or 751R AV Receiver. We are confident
    that you will enjoy many years of listening pleasure from it. Like all
    Cambridge Audio products the 651R/751R adheres to our three core
    principles – stunning performance, ease of use and incredible value.
    As such, the seven audiophile grade fully discrete class AB amplifiers are
    kept as separate as possible from the processing and input stages and
    feature a large power supply with a low flux toroidal transformer. This careful
    design of the amplifier stages ensures that the 651R/751R can reproduce
    the dynamics and scale required for modern movie soundtracks whilst also
    being able to reproduce a genuinely musical performance with either stereo
    or multichannel music sources.
    A full range of HDMI, digital and analogue inputs are fitted. These allow the
    connection of suitably equipped Blu-ray players, DVD players, satellite/settop boxes and games consoles for decoding into stereo, stereo + sub or
    various digital surround formats.
    The latest formats are supported including Dolby True HD, Dolby Digital Plus,
    DTS-HD Master Audio and DTS-HD High Resolution Audio in 5.1 or 7.1
    variants. In particular, support for the true lossless Dolby True HD and DTSHD Master Audio formats provides unprecedented audio fidelity from Blu-ray
    discs.

    Remember your 651R/751R can only be as good as the system it is
    connected to. Please do not compromise on your source equipment, speaker
    package or video and audio cabling. Naturally we particularly recommend
    Blu-ray players, digital and analogue iPod docks, Network and CD players
    from the Cambridge Audio Azur range, which have been designed to the
    same exacting standards as our receivers. Your dealer can also supply
    excellent quality Cambridge Audio interconnects to ensure your system
    realises its full potential.
    Thanks for taking the time to read this manual, we do recommend you keep
    it for future reference.

    Matthew Bramble
    Cambridge Audio Technical Director
    and the 651R/751R design team

    Various HDMI 1.4 features are supported including 3D TV and deep-colour
    pass-through from suitable sources and Audio Return from TVs with this
    feature.

    Before connecting

    The 651R/751R is also capable of decoding encoded analogue or digital
    stereo sources in Dolby Pro Logic® II or IIx and DTS Neo:6, for a convincing
    and effective surround experience from a matrix encoded stereo source.
    Sophisticated post-processing of 5.1 digital material is also possible with
    Dolby Pro Logic IIx or DTS Neo:6 to turn these formats into 7.1.

    The process of setting up the 651R/751R is first to make all the connections
    to your speakers and source equipment and then set the unit up via its OnScreen Display (OSD). There are various settings and adjustments that need
    to be made before the 651R/751R can be used.

    Alternatively Dolby Pro Logic IIz processing allows height channel generation
    from Stereo or 5.1/7.1 material for an alternative 5.1 + Height presentation.

    However before you actually decide which connections to make or perform
    any adjustments it is strongly advised that you read through the
    ‘651R/751R setup’ section of this manual first, starting on page 16.

    Conventional analogue stereo inputs allow the connection of audiophile CD
    players and the like, and an Analogue Stereo Direct mode with no processing
    ensures the very best possible stereo reproduction for these.

    A lot of explanation is included that will help you to choose the right
    connection types for both your sources and TV.

    The 651R/751R also carries a 5.1/7.1 channel analogue input. This feature
    allows for the connection of a DVD-Audio or SACD player equipped with a 5.1
    output and is compatible with any future external 7.1 audio formats.
    As well as the full complement of audio inputs, the 651R/751R performs
    Composite, S-Video, Component Video and HDMI switching with transcoding
    and scaling (up-converting) of all analogue video to HDMI.
    A Zone 2 output allows the Surround Back Amplifiers to be used to power
    another Zone if these are not being used for 7.1 output in the Main Zone.
    Alternatively if you wish to use all 7.1 channels in the Main Zone a separate
    power amplifier and speakers can be connected to the Zone 2 preamp
    outputs.
    Both Main and Zone 2 remotes are supplied with the 651R/751R.
    Audyssey 2EQ®, Audyssey Dynamic EQ®, Audyssey Dynamic Volume® with
    Autosetup help achieve the best performance in your particular room and
    with your speaker setup.
    An RS232 port and IR Emitter In also make it easy to integrate the
    651R/751R into a Custom Install situation.
    The 651R and 751R share all the extensive features above. The 751R differs
    from the 651R by being more powerful, having one extra HDMI 1.4 input on
    the rear and an additional HDMI 1.3 In on the front panel. The 751R also
    features Anagram Technologies ATF up-sampling on all channels.
    This is performed by a third DSP (Digital Signal Processor) over the two used
    in the 651R which converts all digital audio to 24-bit/192kHz with
    comprehensive jitter suppression before conversion by the DACs.
    Finally the 751R also features a 24 Bit Asynchronous USB Audio input
    capable of up to 24-bit/192kHz Audio from Mac and PC.
    All this proprietary engineering is housed within our low resonance,
    acoustically damped chassis. An Azur Navigator remote control is also
    provided, giving full remote control of your AV receiver in an attractive and
    easy to use handset.

    3

    ENGLISH

    Introduction



  • Page 4

    Important safety instructions
    For your own safety please read the following important safety instructions
    carefully before attempting to connect this unit to the mains power supply.
    They will also enable you to get the best performance from and prolong the
    life of the unit:
    1. Read these instructions.
    2. Keep these instructions.
    3. Heed all warnings.
    4. Follow all instructions.
    5. Do not use this apparatus near water.
    6. Clean only with a dry cloth.
    7. Do not block any ventilation openings. Install in accordance with the
    manufacturer's instructions.
    8. Do not install near any heat sources such as radiators, heat registers,
    stoves, or other apparatus (including amplifiers) that produce heat.
    9. Do not defeat the safety purpose of the polarized or grounding-type plug.
    A polarized plug has two blades with one wider than the other. A
    grounding-type plug has two blades and a third grounding prong. The
    wide blade or the third prong are provided for your safety. If the provided
    plug does not fit into your outlet, consult an electrician for replacement
    of the obsolete outlet.
    10. Protect the power cord from being walked on or pinched, particularly at
    plugs, convenience receptacles and the point where they exit from the
    apparatus.
    11. Only use attachments/accessories specified by the manufacturer.
    12. Use with only the cart, stand, tripod, bracket, or table
    specified by the manufacturer, or sold with the apparatus.
    When a cart is used, use caution when moving the cart/
    apparatus combination to avoid injury from tip-over.
    13. Unplug this apparatus during lightning storms or when unused for long
    periods of time.
    14. Refer all servicing to qualified service personnel. Servicing is required
    when the apparatus has been damaged in any way, such as the powersupply cord or plug having been damaged, liquid has been spilled or
    objects have fallen into the apparatus, the apparatus has been exposed
    to rain or moisture, does not operate normally, or has been dropped.

    The lightning flash with the arrowhead symbol within an equilateral triangle
    is intended to alert the user to the presence of un-insulated ‘dangerous
    voltage’ within the product’s enclosure that may be of sufficient magnitude
    to constitute a risk of electric shock to persons.
    The exclamation point within an equilateral triangle is intended to alert the
    user to the presence of important operating and maintenance instructions in
    the service literature relevant to this appliance.
    The symbol on this product indicates that it is of CLASS II (double
    insulated) construction.

    WEEE symbol
    The crossed-out wheeled bin is the European Union symbol for
    indicating separate collection for electrical and electronic
    equipment. This product contains electrical and electronic
    equipment which should be reused, recycled or recovered and
    should not be disposed of with unsorted regular waste. Please return the unit
    or contact the authorised dealer from whom you purchased this product for
    more information.

    CE mark
    This product complies with European Low Voltage (2006/95/EC),
    Electromagnetic
    Compatibility
    (2004/108/EC)
    and
    Environmentally-friendly design of Energy-related Products (2009/125/EC)
    Directives when used and installed according to this instruction manual. For
    continued compliance only Cambridge Audio accessories should be used
    with this product and servicing must be referred to qualified service
    personnel.

    C-Tick mark
    This product meets the Australian Communications Authority’s
    Radio communications and EMC requirements.

    Gost-R Mark
    This product meets Russian electronic safety approvals.

    FCC regulations
    WARNING
    – To reduce the risk of fire or electric shock, do not expose this unit to rain
    or moisture.
    – Batteries (battery pack or batteries installed) shall not be exposed to
    excessive heat such as sunshine, fire or the like.
    The unit must be installed in a manner that makes disconnection of the
    mains plug from the mains socket outlet (or appliance connector from the
    rear of the unit) possible. Where the mains plug is used as the disconnect
    device, the disconnect device shall remain readily operable. Only use the
    mains cord supplied with this unit.
    Please ensure there is ample ventilation (at least 10cm clearance all round).
    Do not put any objects on top of this unit. Do not situate it on a rug or other
    soft surface and do not obstruct any air inlets or outlet grilles. Do not cover
    the ventilation grilles with items such as newspapers, tablecloths, curtains,
    etc.
    This unit must not be used near water or exposed to dripping or splashing
    water or other liquids. No objects filled with liquid, such as vases, shall be
    placed on the unit.

    NOTE: THE MANUFACTURER IS NOT RESPONSIBLE FOR ANY RADIO OR TV
    INTERFERENCE CAUSED BY UNAUTHORIZED MODIFICATIONS TO THIS
    EQUIPMENT. SUCH MODIFICATIONS COULD VOID THE USER AUTHORITY TO
    OPERATE THE EQUIPMENT.
    This equipment has been tested and found to comply with the
    limits for a Class B digital device, pursuant to Part 15 of the FCC
    Rules. These limits are designed to provide reasonable protection
    against harmful interference in a residential installation. This equipment
    generates, uses and can radiate radio frequency energy and, if not installed
    and used in accordance with the instructions, may cause harmful
    interference to radio communications. However, there is no guarantee that
    interference will not occur in a particular installation.
    If this equipment does cause harmful interference to radio or television
    reception, which can be determined by turning the equipment off and on, the
    user is encouraged to try to correct the interference by one or more of the
    following measures:
    - Re-orient or relocate the receiving antenna.
    - Increase the separation between the equipment and receiver.
    - Connect the equipment into an outlet on a circuit different from that to
    which the receiver is connected.
    - Consult the dealer or an experienced radio/TV technician for help.

    4



  • Page 5

    azur

    651R/751R

    Ventilation
    IMPORTANT – The unit will become hot when in use. Do not stack multiple units
    on top of each other. Do not place in an enclosed area such as a bookcase or in a
    cabinet without sufficient ventilation.
    Ensure that small objects do not fall through any ventilation grille. If this happens,
    switch off immediately, disconnect from the mains supply and contact your dealer
    for advice.

    Positioning
    Choose the installation location carefully. Avoid placing it in direct sunlight or
    close to a source of heat. No naked flame sources, such as lighted candles,
    should be placed on the unit. Also avoid locations subject to vibration and
    excessive dust, cold or moisture. The unit can be used in a moderate climate.
    This unit must be installed on a sturdy, level surface. Do not place in a sealed
    area such as a bookcase or in a cabinet. Any space open at the back (such
    as a dedicated equipment rack) is fine, however. Do not place the unit on an
    unstable surface or shelf. The unit may fall, causing serious injury to a child
    or adult as well as serious damage to the product. Do not place other
    equipment on top of the unit.
    Due to stray magnetic fields, turntables or CRT TVs should not be located
    nearby due to possible interference.
    Electronic audio components have a running in period of around a week (if
    used several hours per day). This will allow the new components to settle
    down and the sonic properties will improve over this time.

    Power sources
    The unit should be operated only from the type of power source indicated on
    the marking label. If you are not sure of the type of power-supply to your
    home, consult your product dealer or local power company.
    This unit can be left in Standby mode when not in use and will draw <0.5W
    in this state. To turn the unit off, switch off at the rear panel. If you do not
    intend to use this unit for a long period of time, unplug it from the mains
    socket.

    Overloading

    Cambridge Audio warrants this product to be free from defects in materials
    and workmanship (subject to the terms set forth below). Cambridge Audio
    will repair or replace (at Cambridge Audio's option) this product or any
    defective parts in this product. Warranty periods may vary from country to
    country. If in doubt consult your dealer and ensure that you retain proof of
    purchase.
    To obtain warranty service, please contact the Cambridge Audio authorised
    dealer from which you purchased this product. If your dealer is not equipped
    to perform the repair of your Cambridge Audio product, it can be returned by
    your dealer to Cambridge Audio or an authorised Cambridge Audio service
    agent. You will need to ship this product in either its original packaging or
    packaging affording an equal degree of protection.
    Proof of purchase in the form of a bill of sale or receipted invoice, which is
    evidence that this product is within the warranty period, must be presented
    to obtain warranty service.
    This Warranty is invalid if (a) the factory-applied serial number has been
    altered or removed from this product or (b) this product was not purchased
    from a Cambridge Audio authorised dealer. You may call Cambridge Audio or
    your local country Cambridge Audio distributor to confirm that you have an
    unaltered serial number and/or you purchased from a Cambridge Audio
    authorised dealer.
    This Warranty does not cover cosmetic damage or damage due to acts of
    God, accident, misuse, abuse, negligence, commercial use, or modification
    of, or to any part of, the product. This Warranty does not cover damage due
    to improper operation, maintenance or installation, or attempted repair by
    anyone other than Cambridge Audio or a Cambridge Audio dealer, or
    authorised service agent which is authorised to do Cambridge Audio
    warranty work. Any unauthorised repairs will void this Warranty. This
    Warranty does not cover products sold AS IS or WITH ALL FAULTS.
    REPAIRS OR REPLACEMENTS AS PROVIDED UNDER THIS WARRANTY ARE
    THE EXCLUSIVE REMEDY OF THE CONSUMER. CAMBRIDGE AUDIO SHALL
    NOT BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
    BREACH OF ANY EXPRESS OR IMPLIED WARRANTY IN THIS PRODUCT.
    EXCEPT TO THE EXTENT PROHIBITED BY LAW, THIS WARRANTY IS EXCLUSIVE
    AND IN LIEU OF ALL OTHER EXPRESS AND IMPLIED WARRANTIES
    WHATSOEVER INCLUDING, BUT NOT LIMITED TO, THE WARRANTY OF
    MERCHANTABILITY AND FITNESS FOR A PRACTICAL PURPOSE.

    Do not overload wall outlets or extension cords as this can result in a risk of
    fire or electric shock. Overloaded AC outlets, extension cords, frayed power
    cords, damaged or cracked wire insulation and broken plugs are dangerous.
    They may result in a shock or fire hazard.

    Some countries and US states do not allow the exclusion or limitation of
    incidental or consequential damages or implied warranties so the above
    exclusions may not apply to you. This Warranty gives you specific legal rights,
    and you may have other statutory rights, which vary from state to state or
    country to country.

    Be sure to insert each power cord securely. To prevent hum and noise, do not
    bundle the interconnect leads with the power cord or speaker leads.

    For any service, in or out of warranty, please contact your dealer.

    Cleaning
    To clean the unit, wipe its case with a dry, lint-free cloth. Do not use any
    cleaning fluids containing alcohol, ammonia or abrasives. Do not spray an
    aerosol at or near the unit.

    Battery disposal
    Batteries may contain substances harmful to the environment. Please
    dispose of any discharged batteries with due consideration and in
    accordance with local environmental/electronic recycling guidelines.

    Loudspeakers
    Before making any connections to loudspeakers, make sure all power is
    turned off and only use suitable interconnects.

    Servicing
    These units are not user serviceable. Never attempt to repair, disassemble
    or reconstruct the unit if there seems to be a problem. A serious electric
    shock could result if this precautionary measure is ignored. In the event of a
    problem or failure, please contact your dealer.

    IMPORTANT
    If the unit is run at a very high level, a sensor will detect a temperature rise and
    show "PROTECTION OVERLOAD" on the display. The unit will then go into Standby
    mode. It cannot be switched on again until the temperature has fallen to a more
    normal level.

    Plug Fitting Instructions (UK Only)
    The cord supplied with this appliance is factory fitted with a UK mains plug fitted
    with a 5 amp fuse inside. If it is necessary to change the fuse, it is important that
    a 5 amp one is used. If the plug needs to be changed because it is not suitable for
    your socket, or becomes damaged, it should be cut off and an appropriate plug
    fitted following the wiring instructions below. The plug must then be disposed of
    safely, as insertion into a mains socket is likely to cause an electrical hazard.
    Should it be necessary to fit a 3-pin BS mains plug to the power cord the wires
    should be fitted as shown in this diagram. The colours of the wires in the mains
    lead of this appliance may not correspond with the coloured markings identifying
    the terminals in your plug. Connect them as follows:
    The wire which is coloured BLUE must be
    connected to the terminal which is marked
    with the letter ‘N’ or coloured BLACK.
    The wire which is coloured BROWN must be
    connected to the terminal which is marked
    with the letter ‘L’ or coloured RED.
    The wire which is coloured GREEN/YELLOW
    must be connected to the terminal which is
    marked with the letter ‘E’ or coloured GREEN.
    If your model does not have an earth wire, then disregard this instruction.
    If a standard 13 amp (BS 1363) plug is used, a 5 amp fuse must be fitted, or if
    any other type of plug is used a 5 amp fuse must be fitted, either in the plug or
    adaptor, or on the distribution board.

    5

    ENGLISH

    Limited warranty



  • Page 6

    Front panel controls

    6

    7

    8

    9

    10

    11

    12

    25
    13

    14

    15

    16

    23

    24
    26

    1

    2

    3

    4

    5

    22
    17

    18

    19

    20

    21

    6

    7

    8

    10

    11

    12

    25
    13

    14

    15

    16

    23

    24
    26

    1

    2

    3

    4

    5

    22
    17

    18

    1 Standby/On
    Switches the unit between Standby mode (indicated by a dim power LED)
    and On (indicated by a bright power LED). Standby is an eco-friendly <0.5W
    low power mode. The unit may be left in Standby mode when not in use.

    2 Phones
    Allows for the connection of stereo headphones with a 6.35mm/¼" Jack
    plug. Headphones with an impedance of between 32 and 600 ohms are
    recommended.
    Note: Plugging in headphones will automatically mute the main and pre-amp
    outputs and select a Dolby Headphones output to be created for headphone
    use.

    19

    20

    21

    Note: The 651R/751R remembers the audio and video input type and
    processing mode for each individual source input. These are recalled each
    time a source is selected.

    8 Expansion
    Press to select an optional expansion source module connected to the
    Expansion port at the back of the unit.

    9 USB (751R only)
    Press to select the USB Audio source connected to the USB input at the back.

    10 BD/DVD
    Press to select the source equipment connected to the BD/DVD input.

    3 Tuning +/Used to tune FM/AM frequencies and skip presets for the built-in Tuner.

    11 Video 1
    Press to select the source equipment connected to the Video 1 input.

    4 Mode/Store
    Press to cycle between Tuner modes. Press and hold for storing presets
    (refer to the ‘Operating Instructions’ of this manual for more information).

    12 Video 2

    5 Infrared sensor

    13 Recorder 1

    Receives IR commands from the supplied remote control. A clear,
    unobstructed line of sight between the remote control and the sensor is
    required.

    Press to select the source equipment connected to the Recorder 1 input.

    6 Display

    Press to select the source equipment connected to the Video 2 input.

    14 Aux/TV
    Press to select the source equipment connected to the Aux input.

    Displays the status of the unit.

    With ARC enabled (see later section), press again to select Audio Return
    Channel from a suitable TV.

    7 Tuner FM/AM

    15 CD

    Press to select the tuner. Once in Tuner mode press to switch between FM
    and AM modes.

    Press to select the source equipment connected to the CD input.

    16 Recorder 2
    Press to select the source equipment connected to the Recorder 2 input.

    6



  • Page 7

    651R/751R
    ENGLISH

    azur
    17 Audio input type
    Press this button to select between analogue, digital (optical/coaxial) or HDMI
    input types as the source of the audio for the currently selected source input.
    The choices available depend on the inputs that have been assigned to that
    source, see later section.

    18 Stereo modes
    Press to listen to a source in either digitally processed stereo or stereo and
    sub modes.

    19 Surround modes
    Press to select Dolby Digital or DTS surround modes (with suitably encoded
    digital source material), or various Dolby Pro Logic II/IIx/IIz, DTS Neo:6
    modes for matrix encoded analogue or digital material.
    Post-processing of digital surround types with Dolby Pro Logic IIx/IIz or Neo:6
    is also possible. See later decode mode tables for details.

    20 Picture adjustment
    Press to select various picture adjustments for sources that have the Scaler
    set to Process only (see ‘Source setup’ section in the manual). An
    adjustment bar will appear on the TV for the current item (Brightness,
    Contrast etc.) Press the Pic. Adj. button again to move to the next item.
    Use the volume knob to adjust the level of the current parameter.
    Note: For source material, the scaler cannot process (such as deep colour or
    3D content). Pic. Adj. will have no effect.
    This button is also used to change the scaler output resolution. Press and
    hold the button for 10 seconds and the current output resolution will appear
    on the 651R/751Rs front panel display. Keep holding the button down and
    the 651R/751R will change to the next available resolution and show it on
    the front panel display. See later section.

    21 Zone 2
    Press to choose Zone 2 and display its status. The next source change or
    volume adjustment will now affect Zone 2. See later section of this manual
    for more information.

    22 Video 3/MP3
    Press to select the source equipment connected to the Video 3 or MP3 input
    (if a device is plugged into its 3.5mm mini-jack input).
    Note: The L audio input is also used for the supplied auto setup microphone.
    Refer to the ‘Auto setup’ section of this manual for more information.

    For the 751R only
    A HDMI 1.3 input is also available.

    23 7.1 Direct
    Press to select a 7.1 or 5.1 source (DVD-A or SACD player etc) connected to
    the 7.1 Direct In sockets.

    24 Analogue stereo direct
    Press to listen to the analogue inputs for the current source directly with no
    analogue to digital conversion or DSP processing for highest possible stereo
    sound quality.

    25 Volume
    Use to increase/decrease the level of the sound from the outputs of the
    651R/751R.

    26 Mute/Info
    Press to mute the sound from the main and pre-amp outputs of the
    651R/751R. Press again to cancel mute.
    Note: Selecting a new source always cancels mute.
    Press and hold to re-display the current decoding mode.

    7



  • Page 8

    Rear panel connections
    5

    6

    9

    10

    11

    12

    13

    14

    1

    15

    16

    17

    18

    19

    7
    8
    2

    4
    20

    20
    3

    5

    6

    9

    10

    11

    12

    13

    14

    1

    15

    16

    17

    18

    19

    7
    8
    2

    4
    21

    20

    1. FM/AM antennas

    5. A/B HDMI outputs

    All tuner antenna connections are made here. Refer to the ‘Antenna
    Connections’ section of this manual for more information.

    Via the On Screen Display A, B or A and B outputs can be selected (for
    connection to two TVs or a TV and a projector for instance).

    2. RS232C

    When both outputs are selected both show the same content.

    Used for control of the 651R/751R in Custom Install situations. A full
    protocol is available for the 651R/751R on our website.

    HDMI A also supports an HDMI 1.4 Audio Return Channel from TVs that also
    support this feature.

    3. USB interface (751R only)

    This allows audio from the TVs own in built tuner to be received by the
    651/751R. See later TV-ARC section for details.

    A USB B type socket is fitted to the 751R to enable the playback of audio
    from a personal computer running either Microsoft Windows or Apple Mac OS
    X operating systems. Some distributions of Linux are also suitable.

    6. HDMI

    Note: Always use a high quality USB connection cable certified as USB HiSpeed. USB cable connections longer than 3m may result in inconsistent
    audio performance.

    Always turn the Volume to minimum, or turn the
    751R off before plugging/unplugging cables to the
    USB input or whilst booting up/shutting down your
    PC/Mac.

    HDMI inputs compatible with the HDMI 1.4 standard. By Default the HDMI
    inputs are assigned to BD/DVD, Video 1 and Video 2, with the 4th input
    unassigned.
    These inputs can be freely assigned, see later section on assigning video
    inputs.
    All video inputs whether analogue or HDMI are transcoded and output via the
    HDMI outputs.

    7. Video 1/2, Recorder 1/2, BD/DVD, CD and Aux

    See later section for full details on USB audio.

    Please refer to the connection diagrams later in this manual for more
    information on these inputs and outputs.

    4. Opto inputs/outputs

    8. Heat tunnel vent grille

    Toslink digital inputs for Video 1, Rec 1, BD/DVD and CD sources and also
    two Toslink digital outputs for Rec 1 and 2.

    Allows cooling of internal circuitry via the 651R/751R’s proprietary X-TRACT
    heat tunnel. DO NOT OBSTRUCT!

    8



  • Page 9

    azur

    651R/751R

    9. Expansion port
    For connection to optional Expansion Source Modules as they become
    available. Contact your Cambridge Audio dealer for details.

    10. Front IR switch
    Turns the units built-in IR receiver reception on/off if it is desired to use an
    IR repeater system plugged into the rear Main Zone IR Emitter Input instead.

    11. Zone 2
    Independant stereo audio and analogue video outputs to a second Zone (i.e.
    a room or area separate from the main area. The IR Emitter input allows
    control of the 651R/751R and its sources remotely from that Zone. See
    Zone 2 section in this manual for details.

    12. Component video inputs
    By default the component inputs are unassigned, these inputs can be freely
    assigned, see later section on assigning video inputs.
    Note: The preferred connection method for video inputs is always Composite
    Video, then S-Video, then Component Video, then HDMI in ascending order
    of quality (HDMI being the highest quality). HDMI and Component Video
    sources often also support Progressive Scan which gives better picture
    quality if supported by both your BD/DVD player and TV.

    13. Multi-Channel In
    Connect to the output terminals of a DVD-A, SACD player or other 5.1/7.1
    analogue source.

    14. Multi-Channel preamp out
    Connect to the 5.1/7.1 channel input terminals of another amplifier system,
    separate power amps, subwoofer or active loudspeakers. Two subwoofer
    outputs are supported with both receiving the same signal.

    15. IR emitter out
    Use with IR Emitters to control the sources from Zone 2 remotely. See later
    section.

    16. Trigger out

    ENGLISH

    Zone 2 remote control
    The Zone 2 remote only affects the
    Zone two outputs. It has no affect on
    the operation of the main zone.

    Volume
    Use to increase/decrease the level of
    sound in Zone 2.

    Standby
    Switches Zone 2 between Standby
    mode and On.

    Skip
    Skips up or down the tuner presets
    that have been set.

    Mute
    Mutes the audio output in Zone 2.
    Press again to cancel mute.

    Tuner
    AM/FM

    Follow
    Main

    Exp

    BD
    DVD

    Video 1

    Video 2

    Rec 1

    Aux

    CD

    Vid 3
    MP3

    Rec 2

    Sources
    Press the corresponding button to
    change the source for Zone 2.
    Pressing the Tuner AM/FM button a
    second time toggles between AM and
    FM modes.

    Zone 2 Remote

    Zone 2 is analogue by nature and
    only sources with audio/video
    connections (as well as digital ones)
    can be used in Zone 2.
    Note: It is not possible to directly select TV/ARC or USB in Zone 2 as these
    are digital only sources.

    Follow Main
    Sends an Analogue 2 Channel down-mix (L+C, R+C) of the source selected in
    the Main Zone to Zone 2.

    12V triggers for controlling external amplifiers, curtains, motorised screens
    or other such equipment. See later section.

    This is useful if you want to listen to the same thing in both Zones (for a party
    perhaps) or wish to hear digital or surround sources in Zone 2 which cannot
    be directly selected by Zone 2.

    17. Main zone IR emitter in

    Because the downmix is created from the main zones decoded output any
    source selected in the main zone including those connected by digital
    (opto/coax) and HDMI inputs can be sent to Zone 2 in this way.

    Allows modulated IR commands from multi-room systems or IR repeater
    systems to be received by the 651R/751R.

    18. Control bus
    In - Allows un-modulated commands from multi-rooms systems or other
    components to be received by the unit. (Main Zone only)
    Out - Loop out for control bus commands to another unit.
    Note: The Emitter inputs are not looped out of the Control Bus output.

    19. Power on/off
    Switches the unit on and off.

    20. Mains power lead
    Once you have completed all connections, plug the AC power lead into an
    appropriate mains socket. The AV receiver is now ready for use.

    21. Speaker terminals
    Connect to loudspeakers with an impedance of between 4-8 ohms. 7.1, 5.1
    or less connections can be made.

    9



  • Page 10

    Main remote control
    The 651R/751R is supplied with an Azur Navigator remote control.
    Insert the supplied AAA batteries to use. For full details of the
    various adjustment functions available from the remote, refer to
    the later sections of this manual.
    This remote can be used in the Main Zone or Zone 2 (via an IR
    repeater system) and will automatically affect only the Zone in
    which it is used.

    Bass/Treble
    Press for bass/treble adjustment, using the Volume up/down
    buttons. Note: Bass/Treble is bypassed in analogue stereo direct
    and 7.1 direct modes.

    7.1 direct
    Selects the 5.1/7.1 direct input.

    Standby/On
    Switches the unit between Standby mode and On.

    Analogue direct
    Directly selects a stereo analogue input for the current source with
    no A/D or D/A conversion or DSP processing.

    Stereo modes
    Selects Stereo or Stereo + Sub modes for Analogue or Digital
    sources (digitally processed).

    Surround modes
    Selects digital surround processing modes and various matrix
    encoded surround processing modes for analogue or digital
    sources (digitally processed).

    Info

    Picture adjustment
    Press to select various picture adjustments for sources that have
    the Scaler set to Process only.
    An adjustment bar will appear on the TV for the current item
    (Brightness, Contracts etc.) Press the Pic. Adj. button again to move
    to the next item. Use the volume buttons to make the adjustments.
    Pressing and holding Pic. Adj. when the OSD is active switches the
    active HDMI output. See later ‘HDMI A and B outputs’ section.

    Lip sync

    Press to view the current source material and decoding mode.
    Press again whilst the current decoding mode is scrolling (as long
    as mute is not on) to display the incoming sample rate. When
    listening to FM with RDS, press to cycle round various RDS
    information modes.

    Bright
    Adjust the backlight of the front panel display; bright, dim or off.

    &

    Audio in type
    Switches the audio between the types available for the current
    source. Depending on the source selected and whether you have
    assigned an HDMI input to it, Analogue, Digital and HDMI can be
    available.

    Trigger A/B

    Toggle On and Off the Trigger outputs. See trigger section for
    details and setup.

    Zone 2
    Selects Zone 2 and displays its status on the display. The next
    source change, Standby/On or volume control commands will
    affect Zone 2 instead of the Main Zone. See Zone 2 section for
    details.

    Press to activate and adjust the lip sync delay function if the audio
    and video appear out of sync. While the Lip sync delay status is
    shown on the units display, use the Vol
    and Vol
    buttons to
    adjust the delay time. Adjusting the value to zero causes lip sync
    delay to be turned off. See later section in this manual.

    Tuner AM/FM, USB (751R only), Exp, BD/DVD,
    Video 1, Video 2, Rec 1, Aux/TV, CD, Rec 1, Vid
    3/MP3
    Press the corresponding button to change the input source.
    Pressing the Tuner AM/FM button a second time toggles between
    AM and FM modes.
    Pressing the Aux/TV button a second time if ARC is enable (see
    later section) selects TV-ARC (Audio Return Channel).
    The above button descriptions are naturally brief. Please refer to
    the ‘Operating Instructions’ section of this manual for more
    information on the relevant functions implemented.

    Stereo mono
    When listening to FM, press to alternate between stereo and mono
    modes.

    Store
    Press to store the current frequency as a preset when in Tuner mode.

    Mode
    Press to select Auto/Manual or Preset tuning when in Tuner mode.

    Mute
    Mutes the audio on the AV Receiver. Press again to cancel mute.

    Volume
    Increase or decrease the volume of the AV receiver output. Also used as
    up/down in the OSD setup menus.

    Tune / Left & Right
    Press the right arrow to increase tuner frequency/change preset. Press the
    left arrow to decrease tuner frequency/change preset. Also used to scroll
    left/right in the OSD setup menus.

    Enter
    Used in the OSD setup menus.

    On-screen display (OSD)
    Press to turn on and off the on-screen setup menus for display on your
    monitor/screen.

    Apple device compatibility
    The Azur 651R/751R Navigator remote control can control the basic
    functions of Apple devices such as Apple TV and Apple’s
    iPod/iPhone/iPad range when docked in a Cambridge Audio or Apple
    dock.
    Press and hold the source button that corresponds to the input that the
    Apple product is connected to whilst also pressing one of the buttons
    below.
    The functions are slightly different depending on the Apple product.
    Enter,
    Menu,
    and/or navigate menus.

    Play/Pause,

    Used to control volume

    Used to navigate menus or Skip/Scan depending on Apple
    product used.
    In addition, the Azur remote can be paired with up to six specific Apple
    devices using any of the six source buttons. This can be useful if you have
    more than one Apple product.
    For more information on pairing refer to your Apple device’s instruction
    manual.
    Pairing – To pair with an Apple device, press and hold the required source
    button along with the MODE button for six seconds. Some devices like
    Apple TV have visual indication once pairing is achieved.
    Un-pairing – To un-pair an Apple device, press and hold any of the source
    buttons along with the STEREO MONO button for six seconds.

    10



  • Page 11

    azur

    651R/751R

    1

    2

    4
    AUTO
    FM STEREO
    HDMI
    USB ANALOG DIGITAL
    MUTING

    RH

    LH

    TUNED

    HR 96/24
    MSTR ES Exp
    SR
    SW
    SL
    Audyssey Neo:6 X
    Dynamic EQ
    Vol
    SBR
    SBL
    D TrueHD
    Bi AMP RoomEQ DIRECT
    EXPL x z
    C

    ENGLISH

    Front panel display

    Z2

    3
    1

    Output channel indicators

    Shows the currently active channels depending on decoding mode and
    source material. Icons lit indicate channels being output by the 651R/751R.

    Z2
    Indicates Zone 2 is active (on).

    Loudspeaker connections

    Room EQ
    Indicates Audyssey 2QE® is enabled.
    2

    Decoding mode indicators (PCM, Dolby Digital, DTS
    etc)

    Shows the current decoding mode, Dolby Digital, DTS etc. In conjunction with
    the Output Channel indicators these give full details of the current
    processing mode.

    Direct indicator
    Lights when the 651R/751R is in a Direct mode - Analogue Stereo Direct or
    7.1 Direct.
    3

    Main information display

    Shows the current source selected, also the surround mode and station
    name/frequency when in tuner mode etc.
    4

    To avoid damaging the speakers with a sudden high-level signal, be sure to
    switch the power off before connecting the speakers. Check the impedance
    of your speakers. Speakers with an impedance of between 4 and 8 ohms
    (each) are recommended.
    The coloured speaker terminals are positive (+) and the black speaker
    terminals are negative (-). Make sure correct polarity is maintained at each
    speaker connector or the sound can become weak and “phasey” with little
    bass.
    Prepare the speaker cords for connection by stripping off approximately
    10mm (3/8”) or less (no more than 10mm, as this could cause a shortcircuit) of the outer insulation. Twist the wire tightly together so there are no
    loose ends. Unscrew the speaker terminal knob, insert the speaker cable,
    tighten the knob and secure the cable.
    Note: All connections are made via loudspeaker cable, except if using an
    active subwoofer which would be connected via a standard RCA phono cable.

    Mode icons

    HDMI
    Indicates the current source audio input type is HDMI.

    Digital/Analogue indicators
    Indicates whether the current source audio input type is Digital (S/P
    DIF/Toslink) or Analogue.

    Banana Plugs (4mm standard) connected to the speaker cable are
    recommended for direct insertion into the speaker terminals.

    Display examples

    Please refer to the ‘Speaker Configuration’ section of this manual for more
    information on 5.1 and 7.1 speaker setups.
    Powered subwoofer
    Centre speaker

    Indicates a 5.1 Dolby Digital source being played back as 5.0 (Sub off).
    Phono/RCA cable

    Indicates a 7.1 playback of DTS-HD Master material.

    Indicates a 2.1 output created in the digital domain from analogue input
    material.

    Surround
    speakers

    Front
    speakers

    Surround back
    speakers

    11



  • Page 12

    Analogue audio connections
    Note: Do not plug in the mains power lead or turn the unit on until all
    connections have been made.
    Connect to source equipment using stereo phono cables (stereo 2RCA2RCA). Tape/MD/CDR recorder/players require two sets of stereo
    phono/RCA cables, one for recording, one for listening.

    Out

    CD player

    Out

    BD/DVD player

    Phono cable
    (2RCA-2RCA)

    Audio player/recorder
    (Tape/MD/CD-R)

    Out

    In

    Digital audio connections
    Two types of digital audio connections can be made to the 651R/751R:

    Either type can be used for a source as the 651R/751R automatically uses
    the active one.

    1. Optical (Toslink)

    Note: Only one connection type should be used per source.

    2. Coaxial (S/P DIF)
    BD/DVD player

    Out

    OR

    1
    OR

    1

    Audio player/recorder
    (Tape/MD/CD-R)

    2

    OR

    1

    Out

    2

    OR

    OR

    1

    2

    2

    1

    In

    A recording device such as MD or CD-R can be connected to the digital
    outputs as shown.
    12

    CD player

    Out

    iD100 Digital iPod Dock

    2



  • Page 13

    azur

    651R/751R
    ENGLISH

    HDMI input connections
    HDMI (High-Definition Multi-Media Interface) is an all digital connection that
    can carry both audio and video in one cable. Direct digital transfer of audio
    and video and support for various types of High Definition video content and
    high resolution audio make this the best connection type to use. The HDMI
    inputs can be assigned to the BD/DVD, Video 1, Video 2, Recorder 1, Aux,
    CD, Recorder 2, Expansion or 7.1 Direct sources (see the “Assigning HDMI
    sources” section for more information).

    Blu-ray player with HDMI output

    HDMI
    cable

    HDMI cable

    Set-top box with HDMI output

    Analogue video input connections
    Three types of analogue video connections can be made to the 651R/751R:
    1. Composite - connect with single 75 ohm Video phono cable (RCA-RCA).
    2. S-Video - connect with S-Video cable.
    3. Component - connect with 75 ohm Component video cables (3RCA-3RCA)

    For sources that only support analogue video for best picture quality we
    recommend making Component video connections, then in declining order of
    quality, S-Video connections and then Composite video connections.
    The 651R/751R is able to transcode i.e. upconvert analogue video to HDMI
    for the main monitor/TV output.

    For sources that support HDMI this is always the best choice.

    Video player

    BD/DVD player

    Games console

    13



  • Page 14

    Video output connection (HDMI A & B)
    Connection to the TV is by HDMI. The 651R/751R converts incoming
    analogue video to HDMI and scales it for best picture quality. See later
    section.

    Note: Both outputs always show the same video.
    See the HDMI/Component Assign menu below on how to select the active
    HDMI output in the On Screen Display menus.

    Two outputs are fitted that can be used individually or at the same time (for
    a TV and projector perhaps).

    HDMI/Component Assign
    HDMI 1
    HDMI 2
    HDMI 3
    HDMI 4
    Component 1
    Component 2
    Component 3

    :
    BD/DVD
    :
    VIDEO 1
    :
    VIDEO 2
    : Recorder 1
    :
    BD/DVD
    :
    VIDEO 1
    :
    VIDEO 2

    HDMI Out

    :

    A+B
    Return I/O

    TV 1

    HDMI cable

    TV 2

    ARC supported if TV also supports.

    HDMI A also supports an HDMI 1.4 Audio Return Channel from TVs that also
    support this feature.
    This allows audio from the TVs own in built tuner to be received by the
    651/751R. See later TV-ARC section for details.

    5.1/7.1 direct in
    DVD-A or SACD players can be connected to the 651R/751R via its 5.1/7.1
    Direct inputs allowing multi-channel music playback from these sources.
    DVD-A and SACD both support 5.1 output. The 651R/751R's direct inputs
    also allow optional connection of Surround Back or Surround Left and
    Surround Right signals for compatibility with future 7.1 sources or external
    decoders.
    To select the Direct Input press the 7.1 Direct button on the front panel or
    remote.

    If the player is selected via the BD/DVD button you can then view its content
    and decode any relevant surround sound soundtracks.
    If 7.1 Direct is then pressed, the audio is now switched to come from the
    players analogue outputs.
    You can also assign the same HDMI input to 7.1 Direct so that the picture is
    not lost.
    These connections are pure analogue for best sound quality and no DSP
    processing or Bass and Treble adjustment by the 651R/751R is possible.
    DVD-A player or SACD multi-channel player 5.1 connections

    Phono cables
    (2RCA-2RCA)

    14

    Centre

    Subwoofer

    Surround Left
    Left
    Right

    A Digital or HDMI input can be made to the 651R/751R for surround sound
    decoding and an analogue 5.1 connection to 7.1 Direct for DVD-A/SACD
    playback.

    Surround Right

    It can be desirable to connect DVD-A/SACD players to the 651R/751R by two
    methods at the same time.



  • Page 15

    651R/751R

    7.1 preamp out

    Front input connections

    If it is desired to connect external power amplifiers, use Phono/RCA leads
    connected to the 7.1 Preamp Outputs on the rear panel.

    The front panel Video 3/MP3 input is for temporary connections to video
    games consoles etc. Remove the cap to access the Video 3 inputs and
    connect to a video game console or video camera’s outputs using stereo
    phono cables (RCA-RCA) and a Composite video cable. Alternatively, use the
    3.5mm mini-jack MP3 socket for the headphone/line outputs of portable
    MP3 players.

    For 5.1/7.1 use set the 'Multi Ch.Out' setting in the 'Advanced Audio Setup'
    OSD menu to 'Pre Out' rather than 'Normal'. This mutes all the internal power
    amplifiers as they are not being used.

    ece e

    Power amplifier/s

    Examples

    :

    Normal

    TV ARC(HDMIA)

    :

    Enable

    Return I/O

    Video 1

    Video 2

    Recorder 1

    Aux / TV

    CD

    Recorder 2

    7.1 Direct

    Analog
    Stereo Direct

    Mute /
    Info

    Subwoofer
    Digitally Processed Modes

    Audio
    Input Type

    Centre

    HDMI Bypass

    Left

    Pre Out

    Right
    Surround right

    :

    Surround left

    Multi Ch.Out

    Surround back left

    Advanced Audio Setup

    Surround back right

    BD / DVD

    Stereo
    Modes

    HDMI

    Video 3 / MP3

    Surround
    Modes

    Pic.
    Adj.

    L

    Audio R

    Video

    S-Video

    Optical

    MP3 In

    Zone
    2

    MP3
    Player

    HDMI cable (751R only)

    Examples

    Stereo phono cable (RCA-RCA)
    Composite video cable
    S-Video cable

    Phono cables
    (2RCA-2RCA)

    OR

    Toslink cable
    Video games console/
    Video camera outputs

    Alternatively the 651R/751R features an External 2-Channel mode. This
    allows the 651R/751R to reproduce all the surround channels of suitable
    source material (Centre, Surrounds and Sub) whilst the Left and Right Front
    speakers are driven by an external power amplifier or other amplifier capable
    of supporting fixed level inputs (e.g. Cambridge Audio’s own 8 series
    amplifiers).
    Examples

    When pressing Video 3/MP3, the 651R/751R automatically selects the MP3
    socket if there is a device plugged into it.
    Note: The Left front input is also used for the supplied auto setup
    microphone. Refer to the ‘Auto setup’ section of this manual for more
    information.
    To use HDMI (751R only) first assign the HDMI input to the Video 3 source
    via the On Screen Display (see later section). The front HDMI input is a HDMI
    1.3c standard.

    Aerial connections
    L

    C

    R

    FM aerial
    Amplifier

    Sub

    L
    R

    651R/751R

    Connect an aerial to the FM 75 ohm socket (a simple wire aerial is supplied
    only for temporary use). Extend the lead and move the aerial around until you
    get the best reception. For continued use, we strongly recommended using a
    75 ohm outdoor FM aerial.

    AM loop aerial
    Connect each end of the single length antenna to the antenna terminals.
    Place the antenna as far from the main system as possible to prevent
    unwanted noise and to obtain optimum reception. If the AM loop aerial
    provided does not receive sufficient reception, it may be necessary to use an
    outdoor AM aerial.
    FM aerial

    Examples

    OR
    SR

    SL
    SBR

    FM external
    aerial

    SBL

    Set the 'Multi Ch.Out' to 'Ext 2ch' in the OSD to mute the 651R/751R’s own
    front left and right amplifier outputs only:
    Advanced Audio Setup

    AM external
    aerial

    Multi Ch.Out

    :

    Ext 2ch

    HDMI Bypass

    :

    Normal

    OR

    TV ARC(HDMIA)

    :

    Enable

    AM loop
    aerial

    Return I/O

    Ground
    (optional)

    15

    ENGLISH

    azur



  • Page 16

    651R/751R setup

    Background information

    The full setup of the 651R/751R is a reasonably simple 3 stage process. The
    Speaker Setup stage can either be performed manually or via the Audyssey
    Auto Setup procedure.

    For stereo and multi-channel sound.

    Stage 1: Speaker setup (Speaker delay, Crossovers and Level calibration, via
    Audyssey or manually)
    Stage 2: Assigning HDMI and Analogue video inputs
    Stage 3: Source setup

    Speaker setup
    To perform a manual speaker setup you always need to first tell the unit what
    kind of speaker system you have connected.
    If you prefer to use the Audyssey Autosetup process then you don’t need to
    tell the unit what kind of speaker system you have if it is a simple 5.1 or 7.1
    system, Audyssey will work this out for itself.
    However if you wish to use 5.1 + Height mode or 5.1 with the rear SBL/SBR
    reassigned to biamping the fronts or 5.1 with the SBL/SBR outputs driving
    Zone 2 speakers, then you must tell the unit this before performing any
    Audyssey Autosetup.
    In any case setting the speaker configuration before running Audyssey will
    not do any harm.
    The options are 5.1, 7.1 or 5.1+H as shown below. The 651R/751R can
    support up to a 7.2 speaker setups which means 7 speakers (Front Left,
    Front Right, Centre, Surround Left, Surround Right, Surround Back Left, Back
    Right) plus two mains powered subwoofers (the .2).
    Refer to the diagrams below for typical examples of loudspeaker setups.
    Always adjust the speaker and listening positions until you are happy with the
    sound. Please refer to your loudspeaker and subwoofer manuals for more
    detailed positioning information.

    5.1
    2
    1

    1

    4

    1

    2

    Front Left and Right speakers
    Centre speaker

    For dialogue and centre sounds. Ideally position at a similar height to the front
    left and right speakers (above or below the TV/monitor). Using a centre
    speaker from the same manufacturer/range as used for the front left and
    right speakers is advisable. This “timbre matching” allows surround effects to
    flow more naturally from left to right without obvious transitions between the
    speakers.
    3

    Surround Left and Right speakers

    For ambient and multi-channel sound. Floorstanding speakers should be
    angled towards the listening position. Bookshelf/standmount speakers should
    be wall mounted or used with dedicated speaker stands, positioned at or
    above ear height.
    4

    Subwoofer

    For improving the bass in your system, as well as reproducing dedicated LFE
    (Low Frequency Effects) cinema effects when playing Dolby Digital or DTS
    encoded discs. Your subwoofer can often be placed almost anywhere in the
    room as bass is less directional, but experimentation with positioning is
    recommended.
    5

    Surround Back Left and Right speakers

    Individual back speakers in place of a single surround back. Used with the
    7.1 processing types. Remember to experiment with the positions until you
    are happy with the sound.
    6

    Front Left and Right Height speakers

    Height speakers placed above the Front Left and Right to give the sound
    field a vertical component with suitably encoded material or when using
    Dolby Pro Logic IIz post processing.
    In all cases the 5.1, 5.1+H or 7.1 in fact relate to the maximum number of
    speakers that can be used, as the Centre, Sub and Surround speakers can
    all be deleted if required (although of course performance is reduced). For
    example, if you choose not to use a Centre Channel speaker you can set this
    to 'None' in the settings as shown later and the 651R/751R will
    automatically redirect the centre channel audio information into the Left and
    Right Front channels, creating what is known as a 'Phantom Centre'.
    Similarly, you might decide not to use a subwoofer if your main Left and Right
    speakers are capable of reproducing enough bass for a satisfying
    music/movie experience. The 651R/751R will then automatically re-direct
    the bass from the Subwoofer/Low Frequency Effect channel to the Left and
    Right Front Speakers.

    3
    3

    Performing the setup
    5.1 + Height

    2
    6
    6
    1

    Note: This setup is important as the 651R/751R will also automatically use
    this information to select appropriate Dolby and DTS decoding modes
    dependant not only on the source material but also the speaker package it
    knows you have.
    azur 651R Main Menu

    1

    4

    3
    3

    Speaker Setup
    HDMI/Component Assign
    Video Input Select
    Scaler Assign
    Video Processing Settings
    Audio Input Select
    Tone/Sub/LFE Config.
    Rec.2/Zone2 Output Select
    Advanced Setup

    Vol

    Enter

    Vol

    Quit I/O

    7.1

    To tell the unit the type of package you have, turn on the On-Screen Display
    via the remote button as shown. Highlight the ‘Speaker Setup’ menu by using
    volume up and down on the remote then go to it by pressing Enter:

    2
    1

    1

    Set the Decode mode as 5.1, 7.1 or 5.1+H by highlighting the Decode Mode
    item and using the Left and Right arrows to scroll through the options:

    4
    3

    Speaker Config Menu

    3
    Decode Mode
    Front L/R
    Center
    Surr. L/R
    Surr. LB/RB
    Subwoofer

    5
    5

    :
    :
    :
    :
    :
    :

    7.1
    Large
    Large
    Large
    Large
    Yes

    [FL R must be Large when
    Sub is Off]
    Return I/O

    16



  • Page 17

    Note if you select a 5.1 speaker setup an option appears for SBL/R Assign.
    You may now choose to use the unused SBL and SBR amplifier channel to
    Biamp the Front Left and Right channels (Set SBL/R Assign to Biamp) or
    drive a pair of speakers in Zone 2 (Set SBL/R Assign to Zone 2) or simply
    leave them unconnected (Set SBL/R Assign to None). For information in Biamping and Zone 2 see later sections.
    Make this selection first then either configure your speakers fully manually
    or run the Audyssey Autosetup. To perform an Audyssey Autosetup with or
    without the addition of Room EQ jump forward to that section.
    We do however recommend that you read the Manual Speaker Setup section
    that follows just as it gives an insight into what all of these measurements
    and adjustments are and why the unit makes them.

    Manually setting speaker size

    651R/751R

    Manually setting speaker delay
    Because the speakers in a surround sound system are usually different
    distances from the listener the 651R/751R incorporates the ability to apply
    a variable digital delay to each of the channels so that the sound from each
    arrives at the same time at the listening position for best surround-sound
    effect.
    To set the delay times automatically, refer to the Audyssey auto setup section
    of this manual.
    To set the delay times manually, simply measure the distances from the
    listening position to each speaker as shown in the following diagram:
    10

    1 = Front Left speaker
    2 = Front Right speaker
    3 = Centre speaker
    4 = Surround Left speaker
    5 = Surround Right speaker
    6 = Surround Back Left
    (when used)
    7 = Surround Back Right
    (when used)
    8 = Subwoofer 1 (can be
    placed almost anywhere)
    9 = Subwoofer 2 (can be
    placed almost anywhere)
    10 = Front Left Height
    speaker above the Front
    Left Speaker (when used)
    11 = Front Right Height
    speaker above the Front
    Right Speaker (when used)

    11

    3

    1

    Select the Speaker Config menu.

    2

    8
    Speaker Config Menu
    Decode Mode
    Front L/R
    Center
    Surr. L/R
    Surr. LB/RB
    Subwoofer

    :
    :
    :
    :
    :
    :

    7.1
    Large
    Large
    Large
    Large
    Yes

    [FL R must be Large when
    Sub is Off]

    4
    9
    5
    6
    7

    Return I/O

    Now move down and by highlighting each speaker in turn and using the Left
    and Right arrows select from ‘Large’, ‘Small’ or ‘None’ for each speaker.
    'Large' or 'Small' are used to describe each speaker in terms of bass
    response, they do not necessarily reflect the actual physical size of the
    speaker.
    Large = Speakers with an extended low frequency response of approximately
    20-40Hz to 16-20kHz (floorstanders or high quality larger stand-mounted
    speakers).
    Small = Speakers with a less extended low frequency response of
    approximately 80-100Hz to 16-20kHz (small stand-mounted, bookshelf or
    satellite speakers).
    Setting each speaker allows the 651R/751R to perform what is called Bass
    Management and to direct low frequency bass from music and the Low
    Frequency Effects channel of surround sound material to those speakers
    best able to reproduce it. If you do not wish to use any of the speakers set its
    setting to ‘None’.
    The Subwoofer output can also be set to Yes or No. If no sub is being used
    make sure this setting is set to No to allow the 651R/751R to re-direct the
    bass information in this channel to other speakers.
    Note: The 651R/751R will force some speakers to certain settings in the
    following circumstances!

    Set the distances in the OSD Speaker Distance menu to the nearest value in
    metres (1 foot = 0.3 metres). The speed of sound is approx 340 metres per
    second, the 651R/751R thus introduces approx 3mS of delay per metre of
    distance set.
    Go to the ‘Speaker Distance’ and highlight each speaker in turn. Set the
    distance to the nearest value to that which you measured by using the Left
    and Right arrows (the values do not need to be exact):
    Press the OSD button to exit the menu.
    Speaker Distance
    Unit
    Front L
    Front R
    Centre
    Surr. L
    Surr. R
    Surr. LB
    Surr. RB
    Subwoofer

    :
    :
    :
    :
    :
    :
    :
    :
    :

    Meters
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    Return I/O

    The Front Left and Right speakers may be ‘Large’ or ‘Small’ but never ‘None’
    as they are always required for any type of music/movie reproduction.
    Bass must always be reproduced by either the Front Left and Right or
    Subwoofer channel (or both). Setting the Front Left and Right to ‘Small’ will
    result in the Subwoofer automatically being set to ‘Yes’. Setting the
    Subwoofer to ‘No’ will automatically result in the Front Left and Right being
    set to ‘Large’.
    If the Front Left and Right cannot reproduce low frequency bass a Subwoofer
    must be used. I.e. If the Front Left and Right are set as ‘Small’ the Sub must
    be Set to ‘Yes’.
    Also, setting the Front Left and Right as ‘Small’ will always set the other
    speakers as ‘Small’ (and the Sub to ‘Yes’). This is because LFE/ bass
    information should not be redirected to the surround channels.
    To store the setting simply come back out of the OSD (pressing the OSD
    button always moves back one menu item, and then exits and stores from
    the main menu screen).

    17

    ENGLISH

    azur



  • Page 18

    Manually setting level calibration
    The 651R/751R allows level calibration to match the acoustic level between
    different types/sizes or even manufacturers of speaker that may be being
    used for each channel. This is achieved by adjusting the relative level of each
    speaker. This can be done manually through the ‘Level Calibration’ menu in
    the OSD or automatically, see the following Audyssey auto setup section of
    this manual.

    The crossover adjustments in the Speaker crossover menu are used to
    determine the point as which this transition is made. In other words they set
    the frequency below which bass is routed away from any ‘Small’ speakers
    and into the Subwoofer channel. It should be understood that bass sent to
    the subwoofer by bass management is different to bass encoded into the
    surround-sound material as a dedicated Low Frequency Effects channel.

    The basic process for manual adjustment is to listen to or measure with a
    Sound Pressure Level (SPL) meter (more accurate and recommended but
    not essential) the level of sound produced by each speaker and set relative
    levels for each speaker so that they all sound the same loudness at the
    normal listening position. The 651R/751R incorporates a Test Signal
    Generator (broad-band white noise) to facilitate this.

    If the source material contains a separate LFE channel (i.e. DD or DTS
    material) this is always routed to the subwoofer (if it is On) and is not affected
    by the crossover setting. Some encoding types (Such as Dolby Pro Logic II/IIx
    and Neo:6) do not actually have a LFE channel.

    Press the OSD button on the remote control then select the ‘Level
    Calibration’ menu. Now turn on the test signal by highlighting this item and
    pressing the Left or Right arrows:
    Level Calibration
    Test Signal
    Front L
    Front R
    Surround L
    Surround R
    Centre
    Subwoofer
    Surr. Back L
    Surr. Back R

    :
    :
    :
    :
    :
    :
    :
    :
    :

    Off
    0db
    0db
    0db
    0db
    0db
    0db
    0db
    0db
    Return I/O

    You can now move up and down the channels using Volume Up/Down on the
    remote. Each time a new channel is selected the test signal will be heard to
    move to that channel. Compare the loudness of all channels as heard at the
    listening position.

    The default setting for all bass management crossovers is 80Hz and is a
    good global starting point. If you do not wish to make any adjustments simply
    leave all crossovers at this default setting.
    Note: These settings are actually only used for speakers that have been set
    to Small in the Speaker Configuration Menu.
    For advanced users it is however possible to adjust the speaker crossovers
    used for any speakers set as ‘Small’ independently to allow for the fact that
    you may wish to direct bass away from front floorstanding speakers (and to
    the Subwoofer) at perhaps 50Hz but away from Surround Left and Rights at
    perhaps 100Hz. If you wish to make these adjustments it is best to consult
    your loudspeaker manufacturers documentation or contact your dealer to
    determine the frequency response of your system and where each speaker
    types bass response starts to tail off (often called the 3dB or 6dB roll
    off/cutoff point). This would be approximately the point the corresponding
    crossover should be set to.
    Alternatively, the Audyssey Autosetup procedure can measure and set
    appropriate crossover points for your speakers.

    Audyssey 2EQ® and Autosetup
    Using the supplied calibrated microphone, the Audyssey 2EQ system can
    perform ‘Autosetup’ by automatically determining the number of speakers
    you have connected, their ‘size’ and crossover frequencies (for the purpose
    of bass management) and their distances from the listening position.
    Further to this Audyssey 2EQ can also remove difficiencies in playback
    caused by sub optimal room acoustics.
    It does this by capturing any acoustical problems at the listening area in both
    the frequency and time domain and applying sophisticated corrective
    equalisation.
    The result being improved sound quality, clarity of dialogue, and a wellbalanced sound for more than one listening position.
    Audyssey 2EQ can also be used with Audyssey Dynamic EQ® and Audyssey
    Dynamic Volume® as described fully later in this section.

    A “rushing” or “hissy” sound should be heard.
    Now adjust the channels so they all sound the same (in terms of loudness
    only, channels of different frequency responses can sound different in terms
    of the “tone” of the sound i.e. more or less hissy).
    Pick the channel that sounds most different and select it to listen to the test
    signal. Now adjust the relative level in dB (using Arrow left/right on the
    remote) and continue comparing it to other channels until it is of equal
    loudness. The level can be adjusted up to + or - 10dB in 1dB steps. Repeat
    the process with the next most different channel. Once all channels sound
    the same in terms of loudness, press the OSD button again to save the
    settings and exit the menu.

    Manually setting sub crossovers and
    bass management
    The 651R/751R performs bass management for any speaker that is set to
    ‘Small’ in the OSD. This means that bass for speakers that are unable to
    reproduce bass effectively is instead routed to the subwoofer.
    Speaker Crossover Menu
    Front L/R
    Centre
    Surr. L/R
    Surr. LB/RB

    :
    :
    :
    :

    80Hz
    80Hz
    80Hz
    80Hz

    Return I/O

    18

    On the 651R/751R Audyssey 2EQ offers two ways of measuring: The simpler
    Audyssey Autosetup method and Audyssey Autosetup + 2EQ.
    Audyssey Autosetup uses the measurement from one position to perform
    the speaker settings only.
    Audyssey Autosetup + 2EQ uses the measurement from 3 positions to
    correct room response in addition to the speaker settings.
    Before using either function, make sure to connect and correctly position all
    of your speakers.
    If rather than a standard 5.1 or 7.1 setup you are bi-amping your front
    speakers or using the SBL/SBR speakers for Zone 2 or wish to run a 5.1+
    Height configuration be sure to make these settings first before then
    running Autosetup.
    This is important as the 651R/751R needs this information in order to test
    the speakers correctly during the Autosetup process.

    Performing Autosetup
    The simplest Audyssey based autosetup system is a two stage process, firstly
    it checks how many speakers you have connected and reports whether they
    appear out of phase or not. This allows you to trap any errors in connection.
    If all is well you can then progress to the second stage which makes further
    measurements of each speaker in turn to automatically set the distance
    (delay time), calibrated level and crossover point for each one.



  • Page 19

    Audyssey 2EQ Room EQ
    This is a more sophisticated version with a longer second stage that
    measures the frequency response of all of your speakers three times at three
    different points in the room and then calibrates and equalizes them to
    optimise the sound for your actual listening environment (Room EQ). To
    perform Audyssey Autosetup with no Room EQ simply select Audyssey
    Autosetup from the menu. To perform Autosetup and Room EQ select
    Audyssey Autosetup & 2EQ.
    The process for both system is the same other than the extra sets of
    measurements so we’ll describe the Audyssey & 2EQ case only below.

    Once finished the unit will display a screen similar to the one below reporting
    which speakers were found and any that appear out of phase.
    Audyssey Autosetup Menu
    Speakers Detected:
    L : Connected
    C : Connected
    R : Connected
    RS : Connected
    RB : Connected
    LB : Connected
    LS : Connected
    SW : Connected
    Continue
    Cancel/Return

    Recorder 2

    Video 3 / MP3

    7.1 Direct

    HDMI

    Analog
    Stereo Direct

    L

    Audio

    R

    651R/751R

    :
    :

    [Enter]
    I/O

    Mute /
    Info

    Video

    S-Video

    Optical

    If any speakers appear unconnected or out of phase carefully check the
    connections on the speaker and the back of the unit. Also check any bi-wiring
    links that might be present on the speaker. For any out of phase speakers
    check that the relevant + terminal of the 651R/751R goes to the + terminal
    of that speaker and similarly the – terminal of the 651R/751R goes to the –
    terminal of the speaker for that channel.

    MP3 In

    First, connect the supplied microphone to the front Left front panel audio
    input on the front panel via the supplied adaptor and place it at your normal
    listening position in the room.
    Press the OSD button on the remote control to access the OSD and then
    select the Speaker Setup Menu. Now select the Audyssey option you want.

    Note: Like all such systems there are some limitations. Speakers that exhibit
    very strong phase angles or deliberately wire some drive units out of phase
    can of course appear to the system as an out of phase speaker when
    correctly connected. If a speaker is reported as out of phase but is correctly
    wired it is ok to proceed to the next step.
    If necessary press the I/O button to cancel and perform a retest or press
    Enter to start the second part of the autosetup procedure as below.

    Speaker Setup Menu
    Speaker
    Speaker
    Speaker
    Speaker

    Audyssey Autosetup Menu

    Configuration
    Level Calibration
    Distance
    Crossover

    Speaker Calculation:
    The unit is now
    calculating parameters for
    your speakers.

    Audyssey Autosetup
    Audyssey Autosetup & 2EQ

    Return I/O

    Percent:

    Follow the on-screen instructions and press 'Enter' on the remote control
    when ready to start the Audyssey Autosetup function.
    Audyssey Autosetup Menu
    Plug the microphone into
    the left channel of Video
    3 and place the microphone
    at the main listening
    position at listening
    height.

    Continue
    Cancel/Return

    :
    :

    [Enter]
    I/O

    50%

    Again a series of test signals will now be output from all of the connected
    speaker terminals and Subwoofer. The 651R/751R uses these to measure
    the levels crossovers and distances (and hence introduce the correct delays)
    appropriate to your speakers and room characteristics.
    For Audyssey & 2EQ the unit will ask you to make a second measurement
    after having moved the microphone to the left boundary of the normal
    listening area occupied by yourself and other listeners (for instance the left
    hand end of your sofa). Then a further measurement after having moved the
    microphone to the right boundary of the normal listening area. In both cases
    the microphone should be approximately at your normal listening height.

    Once activated the OSD will display the message below and the word
    'Audyssey Auto Calibration' will also be displayed on the front panel of the
    651R/751R to confirm.
    Audyssey Autosetup Menu
    The unit is now checking
    which speakers are
    connected, their phase,
    crossover, level and
    distance.
    This will take several
    minutes, please wait...
    Left Speaker

    2

    1

    3

    A series of test signals will now be output from all of the connected speaker
    terminals of the 651R/751R (including the Subwoofer output).

    19

    ENGLISH

    azur



  • Page 20

    When the auto setup of the 651R/751R is completed successfully, the
    651R/751R displays a ‘Measurement Complete’ screen and then shows the
    Advanced Audyssey Setup screen as per following section.
    If you have just perfomed Audyssey Autosetup & 2EQ you will see 2EQ is
    enabled plus you can now enable Audyssey Dynamic EQ and/or Dynamic
    Volume as well (if desired).
    If you have just perfomed a simple Audyssey Autosetup you will see 2EQ is
    disabled (and cannot be enabled) but you can still enable Audyssey Dynamic
    EQ and/or Dynamic Volume (if desired). See next section for full details.
    To simply accept the settings by pressing the (I/O) button to exit the menu.
    To accept the settings, simply press the (I/O) button and press again to exit
    the menu.

    human perception, room acoustics and information from both incoming
    source levels and actual output sound levels in the room.
    Audyssey Dynamic EQ works in tandem with Audyssey 2EQ to vary the EQ
    applied to the speakers in sympathy with the acoustic level to achieve a tonal
    balance and surround impression that remain constant despite changes in
    volume.
    Advanced Audyssey Setup
    Audyssey 2EQ

    :

    Dynamic EQ

    :

    On

    Dynamic Vol.

    :

    Off

    Dyn EQ Offset

    :

    0db

    The Speaker Distance crossover and Level Calibration settings for each
    speaker will have been updated.
    It is of course now possible to go into the Speaker Delay and Level
    Calibration menus if you want to manually check/adjust the settings made
    by the system, and it is always advisable to check them as no system can be
    totally foolproof.

    OFF

    Return I/O

    When Audyssey Dynamic EQ is turned on an option for Dynamic EQ offset
    appears.
    Movies are mixed in rooms calibrated for a standard film reference.

    To exit the auto setup menu of the 651R/751R continue to press the OSD
    button on the remote control to exit all menus or until ‘OSD ‘is no longer
    displayed on the front panel. You can now unplug the microphone and put it
    away for future use.

    Audyssey Dynamic EQ is referenced to this standard film level and makes
    adjustments to maintain the reference response and surround envelopment
    relative to it.

    Notes:

    However, the film reference level is not always used in music or other nonfilm content.

    – Some speakers such as bi-polars that radiate in more than one direction
    can make it difficult for Autosetup to accurately measure their level and
    distance from the listening position.

    To allow for this the Dynamic EQ Offset provides four settings that can be
    selected , three for when the mix level of the content is not film standard.

    – Active subwoofers with DSP have a small delay time built into their
    electronics. Because the 651R/751R measures the total delay time
    including any in-built delay it will still apply the correct amount of delay that
    when added to the inbuilt delay gives the correct response. However the
    distance reported in this case will be a little more than the physical
    measurement.
    – If a subwoofer is present the Autosetup treats most speakers as ‘Small’
    and sets a low crossover point (unless they genuinely have a bass
    response lower than 40Hz).
    This does not mean they are physically small it just means that the system
    will automatically send the very low bass (only) from these channels to the
    subwoofer for the best system response.
    In all cases it is always advisable to manually check the settings autosetup
    has made for a ‘reality check’ to ensure there are no obvious errors.

    Advanced Audyssey
    Further to Room EQ which can only be enabled if an Audyssey & 2EQ
    procedure has been completed, it is possible to enable two extra Audyssey
    features (which are by default disabled).
    Advanced Setup Menus
    Advanced Audio
    Input Name Assign
    Advanced Dolby/DTS
    Advanced Audyssey
    Trigger A
    Trigger B
    OSD Setup/SW Version

    0 dB (Film Ref): This is the default setting and should be used when listening
    to movies.
    15 dB: For pop/rock music or other program material that is mixed at very
    high listening levels or with a compressed dynamic range.
    10 dB: For jazz or other music that has a wide dynamic range. This setting
    should also be selected for TV content as that is usually mixed at 10 dB
    below film reference.
    5 dB: For content that has a very wide dynamic range, such as classical
    music.

    Audyssey Dynamic Volume®
    Audyssey Dynamic Volume® attempts to solve the problem of large
    variations in volume level between television programs, commercials, and
    between the soft and loud passages of movies.
    Dynamic Volume looks at the current volume setting and then monitors the
    program material in real time, whenever necessary, Dynamic Volume makes
    the necessary rapid or gradual adjustments to level maintain the desired
    playback volume level.
    The idea is that perceived bass response, tonal balance, surround
    impression, and dialog clarity remain the same whether watching movies,
    flipping between television channels, or changing from stereo to surround
    sound content.
    Audyssey Dynamic EQ is integrated into Dynamic Volume so turning on
    Dynamic Volume also turns on Dynamic EQ.
    Dynamic Volume has three settings (and Off)
    Heavy: This has the narrowest dynamic range. If you want to watch an action
    movie late at night and not wake up your family use Heavy.

    Return I/O

    Select Advanced Setup from the main OSD menu. Then select Advanced
    Audyssey :

    Medium: This is the most common setting for daily television use in a living
    room setting and works well to tame the volume increases of
    advertisements.

    Audyssey Dynamic EQ®

    Light: This setting offers a wider dynamic range and can be used when
    watching an action film where you want a full dynamic experience but want
    to make the dialog consistently audible.

    Music, movies and games are typically mixed at fairly high volumes but
    played back at more modest levels in a domestic setting.

    Off: The full dynamic range is left untouched.

    Because the response of the human ear varies with level, the perceived
    frequency response and surround field in a domestic environment can at
    various levels be altered from that actually intended.
    Audyssey Dynamic EQ® attempts to solve this problem by taking into account

    20



  • Page 21

    651R/751R

    Assigning video inputs

    Source setup

    The 651R has 4 HDMI (High Definition Multi-Media Interface) inputs and two
    HDMI outputs. The 751R has 6 HDMI inputs (one of which is on the front)
    and two outputs. HDMI is a fully digital audio/video system for picture and
    audio in digital format for best possible picture quality.

    The next step is to select each source input in turn on the 651R/751R and
    tell the unit:

    HDMI outputs on Blu-ray, DVD players and Set-top boxes also often support
    higher resolution formats including progressive scan types. Consult both your
    HDMI source and TV manuals for details, it is often possible to select from
    various options, you will want to select the highest quality output that both
    your source and TV are compatible with.
    From Blu-ray players, HDMI can also carry the latest Dolby Digital Plus and
    True-HD formats as well as DTS-HD High Resolution and Master Audio.
    Ensure that the HDMI output of your player has been set to ‘Bitstream’ or
    ‘Raw’ to pass the formats to the 651R/751R for decoding. Also some Blu-ray
    players feature settings to allow down conversion of Dolby Digital Plus etc. to
    backwards compatible Dolby Digital 5.1 for older AV receivers which do not
    support these formats.

    • The type of audio connection you want to use for that source (Analogue,
    Digital or HDMI).
    • The processing mode for that source.
    The 651R/751R remembers these settings individually for every source
    input and automatically recalls them as and when you change source input.

    Audio connection type
    Select the ‘Audio Input Select’ menu. Highlight each source in turn and select
    either analogue, digital or HDMI input types (use the Left and Right arrows):

    Audio Input Select

    Ensure any such settings are disabled to allow our 651R/751R access to all
    the latest formats. For all the above reasons HDMI is the preferred
    connection method for both Audio and Video.
    The 651R/751R can however also accept Composite, S-Video and
    Component video for sources without HDMI outputs and automatically
    transcode and scale this video to the HDMI output. Each of the HDMI and
    Component inputs are freely assignable in the OSD to any source. The
    Composite and S-Video inputs are physically fixed.

    BD/DVD
    VIDEO 1
    VIDEO 2
    Recorder 1
    Aux
    CD

    :
    :
    :
    :
    :
    :

    HDMI 1
    HDMI 2
    HDMI 3
    HDMI 4
    Analog
    Analog

    VIDEO 3

    :

    Analog

    Return I/O

    The default setup is as below.
    Highlight each HDMI and Component input in turn if you wish to assign it to
    a different source (with the Left and Right arrows).
    HDMI/Component Assign
    HDMI 1
    HDMI 2
    HDMI 3
    HDMI 4
    Component 1
    Component 1
    Component 1

    :
    BD/DVD
    :
    VIDEO 1
    :
    VIDEO 2
    : Recorder 1
    :
    BD/DVD
    :
    VIDEO 1
    :
    VIDEO 2

    HDMI Out

    :

    A+B
    Return I/O

    Note: The first four sources are Assigned both an HDMI and a Component
    input.
    This may seem strange but this just means that these sources have not only
    their own HDMI connections but their own Component connections and the
    physically assigned S-Video and Composite Video connections all available to
    them.
    This is useful because Zone 2 uses the analogue video inputs only. Thus if
    you are using Zone 2 you will probably want a source to be assigned an HDMI
    for viewing in the main room and plus perhaps a component video
    connection for viewing in Zone 2. What video input you select to view when
    you select each source in the main room is determined by the Video Input
    Select menu explained next.
    Navigate to the Video Input Select menu.
    For each source the currently selected video input type will be shown. This
    menu allows you to choose which of the possible video connections that
    each source has you actually wish to use.
    i.e. if your games console has only an S-Video output and is connected to the
    VIDEO1 source, you would select VIDEO1 and then change it from HDMI 2 to
    S-Video.
    For the main room the 651R/751R automatically transcodes any analogue
    video sources selected to HDMI using the Scaler settings as described later.
    Video Input Select
    BD/DVD
    VIDEO 1
    VIDEO 2
    Recorder 1
    Aux
    CD
    7.1 Direct
    Expansion

    :
    :
    :
    :
    :
    :
    :
    :

    HDMI 1
    HDMI 2
    HDMI 3
    HDMI 4
    N/A
    N/A
    N/A
    Composite

    VIDEO 3

    :

    Composite
    Return I/O

    The options shown will be Analogue, Digital and HDMI if that source has been
    assigned an HDMI input for video as above.
    Analogue inputs will require a stereo phono/RCA to phono/RCA cable
    connection to the 651R/751R. Digital inputs will require either a 75ohm
    digital type phono/RCA to phono/RCA co-axial cable (S/P DIF) or an optical
    fibre cable (TOSLINK). The 651R/751R will automatically use whichever is
    connected. Do not make connections to both the Optical and Co-axial inputs
    for a source.
    Once you have set the audio types exit the OSD to save.
    This setting can also be changed at any time without using the OSD by
    pressing the Audio Input Type button on the front panel or remote, this will
    then cycle between analogue, digital or HDMI input types where available for
    the currently selected source, as usual they will then be remembered the
    next time you return to that source.

    Scaler assign/processing
    The 651R/751R features an Anchor Bay ABT2010 digital video processor/
    scaler.
    This can if desired process any of the video sources and scale them up (or
    down) to various resolutions.
    This feature is most useful with analogue video sources where the processor
    can clean up the picture and scale it to 720p, 1080i or 1080p before
    outputting them over HDMI to a suitable TV.
    On entering this menu you will see that the sources that you assigned an
    analogue video input are automatically set to Process.
    Sources that you assigned an HDMI input for video are automatically set to
    Bypass (i.e. no processing).
    Scaler Assign
    BD/DVD
    VIDEO 1
    VIDEO 2
    VIDEO 3
    Recorder 1
    Aux
    CD
    7.1 Direct
    Expansion

    :
    :
    :
    :
    :
    :
    :
    :

    Bypass
    Bypass
    Bypass
    Bypass
    Bypass
    N/A
    N/A
    N/A
    Bypass
    Return I/O

    This is because many HDMI sources will be natively 1080p or may have high
    quality processing built in where it is best to send this video directly to the TV
    without any further processing in the 651R/751R.

    Note: Assigning a HDMI input to a source automatically also selects Scaler
    Bypassing for that source.
    You can process these sources if you wish simply by setting the Scaler to
    Process in the Scaler Assign Processing menu afterwards.
    21

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  • Page 22

    Surround sound modes
    For analogue video sources it is almost always desirable to process these for
    best picture quality before passing them to the TV.
    To change the Process/Bypass status of any source (including HDMI) simple
    select it in the menu and use the left and right buttons on the remote.

    The 651R/751R supports several music and home-cinema listening modes.
    The output the 651R/751R can provide, depends both on the source signal
    present, the speaker setup selected and the decode mode selected. Before we
    describe how to operate the 651R/751R, below is a brief guide to the
    Surround Sound formats that the 651R/751R is compatible with for reference:

    You can also set the desired output resolution for any Processed video
    (Bypassed video is unaffected).
    The options are 480p 60Hz, 576p 50Hz, 720p 50Hz, 720p 60Hz, 1080i
    50Hz, 1080i 60Hz, 1080p 50Hz and 1080p 60Hz.
    Note: 3D TV content, 24fps content or other video standards that the
    651R/751R cannot process or recognise are always Bypassed to the output
    whatever the setting in this OSD.

    Video processing settings
    Video Processing Settings
    Resolution
    Frame Rate
    Colour Space
    Aspect Ratio
    Colourimetry

    :
    :
    :
    :
    :

    1080P
    60Hz
    AUTO
    16:9
    AUTO

    Return I/O

    This menu selects the settings that will be applied to any sources that have
    had the Scaler set to Process in the Scaler Assign Menu, any sources set to
    Bypass as unaffected.
    The options are:

    Dolby’s lossless audio technology developed primarily for high capacity Blu-ray
    discs/players. Dolby True HD delivers theoretically bit-for-bit sound identical to
    the studio master by the use of 100% lossless encoding. Previous formats such
    as Dolby Digital 5.1 or EX have used lossy encoding where some data (that is
    theoretically less audible) is always lost in the encoding process to reduce the
    storage capacity needed on the disc. This is a new format that supports up to
    eight (usually used as 7.1) full-range channels of 24-bit/96 kHz audio or two
    channels of 24/192 kHz via Blu-ray discs and is not backwards compatible
    with earlier schemes. The format can either be transmitted as a ‘bitstream’ to
    the 651R/751R for internal decoding (recommended) or can be decoded by
    some Blu-ray players internally and sent to the 651R/751R as multi-channel
    PCM. In both cases an HDMI connection is required to the 651R/751R and a
    suitable Blu-ray player as Dolby True HD is only ever transmitted over HDMI.

    An encoding scheme based on the original Dolby Digital CODEC, but with
    enhancements to improve coding efficiency and improved audio quality. Dolby
    Digital Plus supports 7.1 fully discrete channels compared to Dolby Digitals 5.1
    (or 6.1 in its EX variant where the 6th channel is matrix encoded). These Dolby
    Digital Plus bitstreams are not backward compatible with legacy Dolby Digital
    decoders but require an AV Receiver developed to decode them (such as the
    651R/751R) and an HDMI connection as Dolby Digital Plus is currently only
    transmitted over HDMI. It is however a requirement that any Dolby Digital Plus
    enabled Blu-ray player must also be able transform the Dolby Digital Plus into
    a backwards compatible Dolby Digital 5.1 output for playback on legacy Dolby
    Digital systems. The 651R/751R is however fully compatible with Dolby Digital
    Plus.

    Resolution: Sets the output resolution, the options are 480P, 576P, 720P,
    1080I and 1080P. I means interlaced and P means progressive scan.
    Note: For 480P and 576P the 651R/751R automatically sets the Frame rate
    as 480P video formats are always 60Hz (NTSC format) and 576P video
    formats are always 50Hz (PAL/SECAM formats).
    For the other resolutions the next menu item allows choice of frame rate. It
    usually best to set the output to the maximum resolution your TV supports.

    Frame Rate: Sets the output to be fixed at 60Hz (NTSC format) or 50Hz
    (PAL) or AUTO which means the 651R/651R automatically dynamically
    matches the output frame rate to the incoming frame rate. If your TV can
    handle both PAL and NTSC signals the best option is AUTO (as this requires
    the least scaler processing). If your TV only supports one or other format fix
    the output to that it supports.
    Note: The incoming video of 24fps is always automatically bypassed by the
    scaler and output in its native format (no change to resolution, frame rate or
    any other settings).

    Colour Space: Sets the output colour space format, this is the format used
    to describe the colour of each pixel in an image, the options are RGB,
    YCbCr4:2:2, YCbCr4:4:4 and Auto.
    RGB means the colour is described using the primary RGB values, this often
    works best with monitors that are primarily based on computer monitor
    technology.
    YCbCr4:2:2 and YCbCr4:4:4 are alternative sub-sampling schemes for digital
    component video, Blu-ray and DVD discs are recorded using YCbCr 4:2:0
    which is then chroma upsampled by the player and output as YCbCr4:2:2.
    The TV will then normally up-sample internally to YCbCr 4:4:4 and convert to
    RGB for the panel. Setting the output as YCbCr4:2:2 means that all video will
    be output in the same format as a BD/DVD would be, setting the output at
    YCbCr4:4:4 may reduce the number of conversions in your TV. Experiment to
    find the best looking option for your TV.
    In Auto mode the output will be of the same format as the input.

    Aspect Ratio: Sets the format of the output video (the ratio of width to
    height) to one of two standardised types. If you have a wide TV set this to
    16:9, if you have a non wide TV set this to 4:3.
    Colourimtery: Sets the method used by the scaler to describe the colour of
    the output video, the options are ITU.601, ITU.709 and AUTO. ITU.601 refers
    to ITU-R BT.601, a form of digital component video developed for television
    use. ITU.709 refers to ITU-R BT.709 a newer form of digital component video
    primarily developed for HDTV and computer-display applications, that more
    closely fits the colour rendering characteristics of newer CRTs and flat panel
    TVs. Again simply experiment to find the best looking option for your TV.
    In Auto mode the output format will match that at the input without
    conversion.
    22

    A new lossless audio CODEC from DTS, rather than being incompatible with
    earlier versions, DTS-HD Master Audio is transmitted as an extension to a
    normal DTS bitstream. A second embedded stream is sent which contains the
    "difference" between the original studio master and the lossy compressed DTS,
    plus the two extra channels. DTS-HD Master Audio enabled devices (such as
    the 651R/751R) are able to use this difference information to recreate a bit
    for bit lossless version of the original 7.1 data. Devices which do not support
    the Master Audio extension simply decode the original 5.1 DTS stream and
    ignore the Master Audio extension providing backwards compatibility.

    DTS-HD High Resolution Audio
    Known also as DTS-HR an extension to the original DTS audio format. DTS-HD
    High Resolution Audio supports 7.1 fully discrete channels compared to DTS’s
    5.1 (or 6.1 in its DTS ES Matrix or DTS ES Discrete variants). As with DTS-HD
    Master Audio a second embedded stream is sent which contains the
    "difference" between the original studio master and the lossy compressed DTS,
    plus the two extra channels, however in this case the extra stream is also
    formed by lossy compression. Effectively this is a 7.1 version of DTS which can
    be decoded by devices (such as the 651R/751R) which are able to decode
    DTS-HD High Resolution Audio. Devices which do not support the High
    Resolution extension simply decode the original 5.1 DTS stream and ignore the
    High Resolution extension providing backwards compatibility.

    Known also as DD (3/2) or DD 5.1, provides (up to) 5.1 output from suitable
    encoded Dolby Digital material, with 5 main channels (Front Left, Front Right,
    Centre, Surround Left, Surround Right) and a Low Frequency Effects Channel
    for the subwoofer, all discretely encoded. Decoding Dolby Digital requires a
    Dolby Digital encoded DVD disc and a digital connection from the source
    equipment (Such as a DVD player) to the 651R/751R.
    Note: Dolby Digital and DTS formats can sometimes carry less channels than
    their maximum such as Dolby Digital (2/0) which means a Dolby Digital
    encoded signal which is actually only carrying a two channel stereo signal
    (other channels inactive).

    Known also as DTS (3/2) or DTS 5.1, DTS provides (up to) 5.1 output from
    suitable encoded DTS material, with 5 main channels (Front Left, Front Right,
    Centre, Surround Left, Surround Right) and a Low Frequency Effects Channel
    for the subwoofer, all discretely encoded. Decoding DTS requires a suitably
    encoded DTS disc and a digital connection from the source equipment to the
    651R/751R.



  • Page 23

    Known also as DD (3/3) or DD 6.1, an enhanced form of Dolby Digital. On top of
    the discretely encoded 5.1 channels DD EX provides an extra 6th channel
    (Surround Back, giving 6.1) matrix encoded into the rear surrounds for greater
    image depth and more solid sound localisation behind the listener. DD EX requires
    a DD EX encoded disc. DD EX is backwards compatible with DD 5.1 decoding. If
    DD EX is decoded as normal DD the Surround Back signal will be present in both
    Left and Right Rear Surrounds (forming a phantom rear centre). It can also be
    decoded as 7.1 by sending the Surround Back decode to both the Surround Back
    Left and Right speakers (forming two mono Back Surrounds).

    Known also as DTS (3/3) Matrix, an enhanced form of DTS. On top of the discretely
    encoded 5.1 channels DTS ES also provides an extra 6th channel (Surround Back
    giving 6.1), matrix encoded into the rear surrounds for greater image depth and
    more solid sound localisation behind the listener. DTS ES requires a DTS ES
    encoded disc. DTS ES material is backwards compatible with DTS 5.1 decoding. If
    DTS ES is decoded as normal DTS the Surround Back signal will be present in both
    Left and Right Rear Surrounds (forming a phantom rear centre). It can also be
    decoded as 7.1 by sending the Surround Back decode to the both the Surround
    Back Left and Right speakers (forming two mono Back Surrounds).

    Another enhanced form of DTS, also known as DTS (3/3) Discrete or DTS ES
    Discrete 6.1. DTS ES Discrete also provides an extra channel (Surround
    Back) for greater image depth and more solid sound localisation behind the
    listener, however in this case extra data is included in the bitstream so that
    all channels are discretely encoded. The Surround Back has greater
    separation from the other channels than is possible with matrix encoded
    technologies. DTS-ES Discrete requires a DTS-ES Discrete encoded disc.
    DTS ES Discrete is backwards compatible with both DTS 5.1 and DTS ES
    Matrix 6.1 decoding. If DTS ES Discrete is decoded as normal DTS the
    Surround Back signal will be present in both Left and Right Rear Surrounds
    (forming a phantom rear centre). If DTS ES Discrete is decoded with DTS ES
    Matrix the Surround Back signal will be decoded separately (i.e. as 6.1) but
    by a matrix process, which will give the same channel separation as if the
    source disc were actually DTS ES Matrix (but not as good as DTS EX
    Discrete).
    It can also be decoded as 7.1 by sending the Surround Back decode to both
    the Surround Back Left and Right speakers (forming two mono Back
    Surrounds).

    The replacement for the original Dolby Pro Logic, Dolby Pro Logic II is a
    technology where 5 channels (Front Left, Front Right, Centre, Surround Left,
    Surround Right) are encoded into a Stereo mix by an analogue matrix
    process. Dolby Pro Logic II material can be played back by normal Stereo
    equipment (as Stereo) or decoded into 5 channel surround-sound.
    Dolby Pro Logic II is compatible with the earlier 4 channel (Left, Centre, Right
    and mono Surround) Dolby Pro Logic system (which was the decoding
    counterpart to Dolby Surround encoding) as used widely on Video tapes, TV
    broadcasts and earlier films.
    Note: Dolby Pro Logic does not include a Low Frequency Effects channel for
    the Subwoofer, but the 651R/751R can create a Subwoofer output (for 5.1)
    via Bass management. Refer to the ‘Tone/Sub/LFE configuration’ section in
    the ‘Operating instructions’ part of this manual.

    A newer version of Dolby Pro Logic II which is able to recreate 7 discrete
    surround sound channels from suitable encoded stereo source material.
    Dolby Pro Logic IIx also has modes for post processing either Stereo material
    or 5.1 material into 7 channels whether or not it has been Dolby Pro Logic IIx
    encoded. When 5.1 decoding is required, Dolby Pro Logic II decoding will
    always be used by the 651R/751R in place of Dolby Pro Logic IIx as IIx only
    works for 7 channel output.
    Note: Dolby Pro Logic IIx does not include a Low Frequency Effects channel
    for the Subwoofer, but the 651R/751R can create a Subwoofer output (for
    7.1) via Bass management. Refer to the ‘Tone/Sub/LFE configuration’
    section in the ‘Operating instructions’ part of this manual.

    A new Dolby matrix technology that delivers additional height channels
    positioned above the front left and right speakers. Dolby Pro Logic IIz identifies
    spatial cues that occur naturally in most content plus ambient sound and
    amorphous effects such as rain or wind and directs them to additional front
    height speakers.

    651R/751R

    Movie and game producers can also mix specific additional height channels
    into a 2ch, 5.1 or 7.1 soundtrack, which Dolby Pro Logic IIz will then decode as
    a post process.
    If it is desired to use Dolby Pro Logic IIz, you should set the 651R/751R to 5.1
    + Height mode, connect two speakers to the SBL and SBR outputs and
    physically position them above your left and right front speakers, then select
    Dolby Pro Logic IIz post processing. See later section.

    A DTS technology which is able to recreate 6 channel (Left Front, Right Front,
    Centre, Left Surround, Right Surround, Surround Back ) surround sound from
    suitable analogue matrix encoded stereo source material. DTS Neo:6
    material can be played back by normal Stereo equipment (as Stereo) or
    decoded into 7.1 by sending the Surround Back decode to the both the
    Surround Back Left and Right speakers (forming two mono Back Surrounds).
    Note: Neo:6 does not include a Low Frequency Effects channel for the
    Subwoofer, but the 651R/751R can create a Subwoofer output via Bass
    management. Refer to the ‘Tone/Sub/LFE configuration’ section in the
    ‘Operating instructions’ part of this manual.

    A DTS technology that provides 5.1 channels of 96kHz / 24bit audio (along
    with video if required) on DVD-Video and DVD-Audio (video zone) discs (when
    suitably encoded in DTS 96/24). DVD players which allow 'DTS digital out'
    pass the DTS 96/24 bitstream over S/P DIF or HDMI for decoding in the
    651R/751R.

    DSP modes
    These modes allow a surround-sound experience from source material that
    has no encoding at all. The surround sound effect is achieved by Digital
    Signal Processing of the Analogue or Digital stereo source used. Two modes
    are possible: Movie and Music.

    Stereo/Stereo + Sub
    Only the Front Left and Front Right speakers (and subwoofer if selected)
    have output in this mode. If an analogue source is selected it will be
    converted to digital via 24 bit A/D converters to allow digital domain sub
    creation and bass/treble controls.
    If a digital source is selected the 651R/751R will be processing either LPCM
    stereo (from the digital outputs of a CD player for instance) or a Stereo downmix
    of DD or DTS material (from the digital output of a DVD player for instance).

    Other modes
    Analogue stereo direct
    Selects the analogue inputs for the current source directly with no A/D
    conversion, DSP processing, Bass/Treble or subwoofer channel active.
    Provides the very best fidelity for analogue Hi-Fi source equipment. In this
    mode the 651R/751R is acting just like a normal Hi-Fi integrated amplifier.

    Multi channel PCM
    Some playback devices (in particular Blu-ray players) are able to decode some
    of the above formats themselves internally and then output the decoded
    audio as Multi Channel PCM to the 651R/751R. In addition Blu-ray disks can
    support native unencoded Multi Channel PCM soundtracks (of up to 8
    channels) on the disc itself. In either case if your player can output these over
    HDMI the 651R/751R is able to receive them in Multi-Channel PCM mode.

    Multi channel stereo
    For Stereo inputs the 651/751R can if required create a multi-channel
    stereo presentation whereby the incoming Left and Right channels are
    output to the Front Left/Surround Left/Surround Back Left and Front
    Right/Surround Right/Surround Back Right channels respectively. The
    Centre is sent a L+R signal and a mono-ised Subwoofer channel is also
    created.

    23

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  • Page 24

    USB Audio (751R only)
    Use with Macs
    No extra drivers are required. With the 751R switched to USB Audio 1.0 the
    751R will work with the native Mac OS-X 10.5 (Leopard) or above Audio 1.0
    driver and accept audio up to 24-bit/96kHz.
    With the 751R switched to USB Audio 2.0 the 751R works with the native
    Mac OS-X 10.5 (Leopard) or above Audio 2.0 driver and can accept audio up
    to 24-bit/192kHz.

    Use with Linux
    For most distributions of Linux with the 751R switched to USB Audio 1.0 the
    751R will work with the native Audio 1.0 driver and accept audio up to 24bit/96kHz.
    Some very new distributions of Linux are now supporting USB Audio 2.0 for
    which the 751R should be switched to Audio 2.0 support to accept audio up
    to 24-bit/192kHz.

    USB ‘B–A’ type lead

    For both cases because Linux distributions vary according to their creators
    choice of software components including drivers it is not possible to
    guarantee operation and Audio drivers may need to be loaded.
    The 751R is both USB 2.0 (Hi-Speed) and USB 1.1 (Full-speed) USB port
    compatible.
    The 751R also supports two USB Audio protocols (not the same as the port
    types themselves) USB Audio 1.0 (which works over USB 1.1 ports and
    supports up to 24-bit/96kHz) or USB Audio 2.0 (which requires a USB 2.0
    port and can support up to 24-bit/192kHz).

    ‘Class drivers’ as they are called for generic support of Audio Class 1.0 or
    Audio Class 2.0 devices may be available from the Linux community, we do
    not supply these.

    Bit perfect transfer – ASIO and WASAPI Exclusive mode
    The 751R USB interface hardware and software support bit perfect transfer.

    The default configuration is USB 1.1 and USB Audio 1.0 which works with
    nearly all common operating systems and computer types without drivers
    and supports up to 24-bit/96kHz audio, simply plug in and play.

    Whether or not the audio sent to the 751R is bitperfect (i.e. not resampled
    or mixed etc. by the PC) is actually a function of the playback application and
    the operating systems audio engine.

    In this configuration the 751R is able to work at up to 24-bit/96kHz by
    declaring to your computer that it can handle any sample rate from 32kHz to
    96kHz.

    By default the standard windows audio drivers (often called WDM drivers)
    included in Windows XP support MME or DirectSound transfer, both of which
    include a kernel mixer and re-sampler stage.

    However in some Windows/Mac operating system variants the operating
    system itself may restrict or fix the output sample rate or re-sample the
    audio.

    One way round this is to use ASIO to bypass this. Another is to use a playback
    application that supports its own form of kernel streaming, i.e. if has its own
    way of outputting the audio without invoking the kernel mixer.

    See our online guide at www.cambridge-audio.com/751RSupport on USB
    Audio for more details on this. With careful choice of playback software and
    settings many pitfalls can be avoided.

    For Windows Vista and Windows 7 a new method of audio transfer is
    supported called WASAPI. This has two modes; Shared and Exclusive. Shared
    mode is similar to MME or DirectSound but in Exclusive mode the kernel
    mixer/re-sampler is bypassed and bit perfect transfer is possible with only
    one audio playback program directed to the soundcard at a time (for
    instance system sounds are not mixed in).

    In particular our free Windows USB Audio 2.0 driver (available from our
    website) supports up to 24-bit/192kHz audio and WASPI Exclusive or ASIO
    modes that can give enhanced performance.
    A brief explanation of your choices is below:

    Switching between USB Class 1 and USB Class 2
    operation
    Your 751R will come set to driverless USB Audio Class 1.0 by default, but it
    can be configured to run in either USB Class Audio 1.0 or 2.0 mode. To
    change USB Class, navigate to the Advanced Audio Setup menu and select
    the USB Audio item.

    Multi Ch.Out

    :

    Normal

    HDMI Bypass

    :

    Bypass

    USB Audio Profile :

    1.0

    :

    Disable

    Return I/O

    Use with PCs
    With the 751R switched to USB Audio 1.0 (this is the default setting) the
    751R will work with the native Windows XP, Vista or 7 Audio 1.0 driver (no
    need to load any new driver) and accept audio up to 24-bit/96kHz.
    With the 751R switched to USB Audio 2.0 the 751R needs the Cambridge
    Audio USB Audio 2.0 Driver to be loaded and can then accept up to
    24-bit/192kHz (and support ASIO and WASAPI Exclusive if required).
    The driver is available from www.cambridge-audio.com/751RSupport.

    24

    This is a fast moving area so we would encourage you to check the web for
    the latest media players to support these more audiophile playback options.
    To use ASIO you will need the Cambridge Audio Sound Driver installed and
    the 751R switched to USB Audio 2.0.
    No further settings are required as the driver automatically supports ASIO
    transfer, all that is required is to load and setup suitable ASIO enabled
    playback software.

    Advanced Audio Setup

    TV ARC(HDMIA)

    To ensure bit perfect transfer use a playback application that supports ASIO,
    WASAPI in Exclusive mode (if you have Windows Vista or Windows 7) or some
    form of kernel streaming.

    ASIO (Audio Stream Input/Output) is a non Microsoft audio driver protocol for
    Windows originally invented by Steinberg Ltd ASIO bypasses some of the
    normal audio path from the playback application through the Windows audio
    system (including the Kernel Mixer) for a more direct path to the 751R.
    You will need to install and use a suitable playback application that supports
    ASIO output either natively or via a plugin. One example of such an
    application with a suitable plugin is Foobar, see http://www.foobar2000.org
    for more details.



  • Page 25

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    651R/751R

    To activate the 651R/751R, switch the Power switch on the rear panel to On
    then press the Standby/On button on the front panel.

    Selecting the source
    1. Select the desired source by pushing the corresponding source button on
    the front panel or remote control.

    Dolby Pro Logic and Neo:6 are both available in various guises to decode
    appropriately encoded soundtracks. Additionally DSP modes are available to
    process sources with no encoding at all. Due to the matrix encoding process
    none of these modes incorporate flags that tell the 651R/751R the type of
    encoding used in the source material. Thus you must manually select these
    modes.
    Pressing the Surround Modes button when the 651R/751R has locked to a
    DD/DTS bitstream will present more options where possible including PostProcessed modes.

    2. If necessary, press the Audio Input Type button to select the input mode
    of the source equipment, either analogue, digital or HDMI (depending on
    the connection made on the rear panel). You may have already assigned
    this in the ‘Audio In/Out Setup Menu’ in the OSD.

    These are modes that allow extra processing to be applied after the main
    surround-sound decoding. For instance Dolby Digital (2/0) + Dolby Pro Logic
    II Music. Which adds a 5.1 Dolby Pro Logic decode to a Stereo Dolby Digital
    decode to turn 2 channel stereo into 5.1.
    For 7.1 Speaker setups, the number of decoding possibilities increases as
    shown in the following ‘Decode modes’ tables. Several extra Post Processing
    modes are available using either Dolby Pro Logic IIx or Neo:6.

    Incoming Dolby Digital/DTS streams are always shown on the front
    panel display as Dolby Digital (x/x).x or DTS (x/x).x, where the
    bracketed numbers indicate the active channels in the source material.
    Active output channels are shown by the icons on the right hand side
    of the front panel display. Possible incoming DD/DTS types are:
    The digital, analogue or HDMI icons on the display show which is the
    currently selected input type.

    (1/0)

    - Mono, Centre channel only

    Note: The 651R/751R stores the input type for each source so that it is
    automatically recalled when that source is selected again.

    (2/0)

    - Left/Right stereo

    (2/0).1

    - Left/Right stereo and LFE (Sub)

    (2/2)

    - Left/Right stereo and Left/Right surround

    (3/0)

    - Left, Centre, Right

    (3/0).1

    - Left, Centre, Right and LFE (Sub)

    (3/2).1

    - 5.1: Left, Right, Centre, Left Surround, Right Surround and
    LFE (Sub)

    (3/4).1

    - 7.1: Left, Right, Centre, Left Surround, Right Surround,
    Surround Back Left, Surround Back Right and LFE (Sub)

    Selecting the desired listening mode
    Select an appropriate mode for the source material/type you are listening to
    by pressing the Stereo or Surround Modes button and cycling through submodes where available.

    In all cases the first time a mode button is pressed the 651R/751R will
    report the current decoding mode on the front panel display. Pressing the
    button again will then cycle to the next available mode (if there is one). If no
    button is pressed for 4 or 5 seconds the 651R/751R returns to normal
    operation without changing mode.
    Stereo Modes - Selects 2 channel Stereo operation for stereo material,
    pressing again selects Stereo + Sub mode.
    This is a digitally processed mode that allows bass and treble controls, and
    sub generation if required. The input can be either analogue (in which case
    it will be turned into digital by 24 bit A/D conversion) or natively digital.
    Surround Modes - Selects a range of digital surround modes for the
    appropriately digitally encoded material
    Note: Some Surround Sound types (such as the Dolby and DTS HD) are
    available only from Blu-ray disc over HDMI.
    Pressing the Surround Modes button will cause the 651R/751R to lock onto
    the incoming bitstream and select the first available mode for the current
    bitstream type.
    In some circumstances (see tables) pressing the button again will switch to
    an alternative decoding option.

    25

    ENGLISH

    Operating instructions



  • Page 26

    Operating instructions continued

    Decode modes - 5.1 speaker setup

    Incoming
    audio
    format

    Native
    channel
    resolution

    Modes available

    Output
    channels

    PCM

    2

    PCM
    PCM + Dolby Pro Logic II Movie
    PCM + Dolby Pro Logic II Music
    PCM + Dolby Pro Logic II Game
    PCM + Neo:6 Cinema
    PCM + Neo:6 Music
    PCM + DSP Movie
    PCM + DSP Music
    PCM + Multi channel stereo

    2"
    >5.1
    >5.1
    >5.1
    >5.1
    >5.1
    >5.1 !
    >5.1 !
    >5.1 MCS

    Dolby Digital (2/0)

    2

    Dolby Digital (2/0)
    Dolby Digital (2/0) + Dolby Pro Logic II Movie
    Dolby Digital (2/0) + Dolby Pro Logic II Music
    Dolby Digital (2/0) + Dolby Pro Logic II Game
    Dolby Digital (2/0) + Neo:6 Cinema
    Dolby Digital (2/0) + Neo:6 Music
    Dolby Digital (2/0) + DSP Movie
    Dolby Digital (2/0) + DSP Music
    Dolby Digital (2/0) + Multi channel stereo

    2"
    >5.1
    >5.1
    >5.1
    >5.1
    >5.1
    >5.1
    >5.1
    >5.1 MCS

    Dolby Digital

    5.1

    Dolby Digital (3/2).1

    5.1

    Dolby Digital EX

    6.1

    Dolby Digital EX (3/3).1

    5.1<

    DTS (2/0)

    2

    DTS (2/0)
    DTS (2/0) + Dolby Pro Logic II Movie
    DTS (2/0) + Dolby Pro Logic II Music
    DTS (2/0) + Dolby Pro Logic II Game
    DTS (2/0) + Neo:6 Cinema
    DTS (2/0) + Neo:6 Music
    DTS (2/0) + DSP Movie
    DTS (2/0) + DSP Music
    DTS (2/0) + Multi channel stereo

    2"
    >5.1
    >5.1
    >5.1
    >5.1
    >5.1
    >5.1
    >5.1
    >5.1 MCS

    DTS

    5.1

    DTS (3/2).1

    5.1

    DTS ES Matrix

    6.1

    DTS ES Matrix (3/3).1

    5.1<

    DTS ES Discrete

    6.1

    DTS ES Discrete (3/3).1

    5.1<

    DTS 96/24

    5.1

    DTS 96/24

    5.1

    Multi Channel PCM

    5.1 $

    Multi PCM (3/2).1

    5.1

    Multi Channel PCM

    7.1 $

    Multi PCM (3/4).1

    5.1<

    Dolby Digital Plus

    5.1 $

    Dolby Digital Plus (3/2).1

    5.1

    Dolby Digital Plus

    7.1 $

    Dolby Digital Plus (3/4).1

    5.1<

    Dolby True HD

    5.1 $

    Dolby True HD (3/2).1

    5.1 &

    Dolby True HD

    7.1 $

    Dolby True HD (3/4).1

    5.1< &

    DTS HD High Resolution

    5.1 $

    DTS-HD HR (3/2).1

    5.1

    DTS HD High Resolution

    7.1 $

    DTS-HD HR (3/4).1

    5.1<

    DTS Master Audio

    5.1 $

    DTS-HD MA (3/2).1

    5.1 &

    DTS Master Audio

    7.1 $

    DTS-HD MA (3/4).1

    5.1< &

    Dolby Digital/DTS Height

    5.1 + H (7.1)

    Dolby Digital/DTS

    5.1<H

    Note: 5.1< H indicates a 5.1 decode of incoming height encoded formats.

    26



  • Page 27

    651R/751R
    ENGLISH

    azur
    Decode modes - 5.1 + Height speaker
    setup
    Incoming
    audio
    format

    Native
    channel
    resolution

    Modes available

    Output
    channels

    PCM

    2

    PCM
    PCM + Dolby Pro Logic IIz Height
    PCM + Multi Channel Stereo

    2"
    >5.1 + H
    >5.1 + H MCS

    Dolby Digital (2/0)

    2

    Dolby Digital (2/0)
    Dolby Digital (2/0) + Dolby Pro Logic IIz Height
    Dolby Digital (2/0) + Multi Channel Stereo

    2"
    >5.1 + H
    >5.1 + H MCS

    Dolby Digital

    5.1

    Dolby Digital (3/2).1
    Dolby Digital (3/2).1 + Dolby Pro Logic IIz Height

    5.1
    >5.1 + H<

    Dolby Digital EX

    6.1

    Dolby Digital EX (3/3).1
    5.1<
    Dolby Digital EX (3/3).1 + Dolby Pro Logic IIz Height >5.1 + H<

    DTS (2/0)

    2

    DTS (2/0)
    DTS (2/0) + Dolby Pro Logic IIz Height
    DTS (2/0) + Multi Channel Stereo

    2"
    >5.1 + H
    >5.1 + H MCS

    DTS

    5.1

    DTS (3/2).1
    DTS (3/2).1 + Dolby Pro Logic IIz Height

    5.1
    >5.1 + H<

    DTS ES Matrix

    6.1

    DTS ES Matrix (3/3).1
    DTS ES Matrix (3/3).1 Dolby Pro Logic IIz Height

    5.1<
    >5.1 + H<

    DTS ES Discrete

    6.1

    DTS ES Discrete (3/3).1
    5.1<
    DTS ES Discrete (3/3).1 + Dolby Pro Logic IIz Height >5.1 + H<

    DTS 96/24

    5.1

    DTS 96/24
    DTS 96/24 + Dolby Pro Logic IIz Height

    5.1
    >5.1 + H<

    Multi Channel PCM

    5.1 $

    Multi PCM (3/2).1
    Multi PCM (3/2).1 + Dolby Pro Logic IIz Height

    5.1
    >5.1 + H<

    Multi Channel PCM

    7.1 $

    Multi PCM (3/4).1
    Multi PCM (3/4).1 + Dolby Pro Logic IIz Height

    5.1<
    >5.1 + H<

    Dolby Digital Plus

    5.1 $

    Dolby Digital Plus (3/2).1
    5.1
    Dolby Digital Plus (3/2).1 + Dolby Pro Logic IIz Height >5.1 + H<

    Dolby Digital Plus

    7.1 $

    Dolby Digital Plus (3/4).1
    5.1<
    Dolby Digital Plus (3/4).1 + Dolby Pro Logic IIz Height >5.1 + H<

    Dolby True HD

    5.1 $

    Dolby True HD (3/2).1
    Dolby True HD (3/2).1 + Dolby Pro Logic IIz Height

    5.1 &
    >5.1 + H<

    Dolby True HD

    7.1 $

    Dolby True HD (3/4).1
    Dolby True HD (3/4).1 + Dolby Pro Logic IIz Height

    5.1< &
    >5.1 + H<

    DTS HD High Resolution

    5.1 $

    DTS-HD HR (3/2).1
    DTS-HD HR (3/2).1 + Dolby Pro Logic IIz Height

    5.1
    >5.1 + H<

    DTS HD High Resolution

    7.1 $

    DTS-HD HR (3/4).1
    DTS-HD HR (3/4).1 + Dolby Pro Logic IIz Height

    5.1<
    >5.1 + H<

    DTS Master Audio

    5.1 $

    DTS-HD MA (3/2).1
    DTS-HD MA (3/2).1 + Dolby Pro Logic IIz Height

    5.1 &
    >5.1 + H<

    DTS Master Audio

    7.1 $

    DTS-HD MA (3/4).1
    DTS-HD MA (3/4).1 + Dolby Pro Logic IIz Height

    5.1< &
    >5.1 + H<

    Dolby Digital/DTS Height

    5.1 + H (7.1)

    Dolby Digital/DTS

    5.1 + H

    Note: Native Dolby Digital/DTS height encoded material will be presented as
    5.1 + H without Dolby Pro Logic IIz post processing being enabled.

    27



  • Page 28

    Decode modes - 7.1 speaker setup

    Incoming
    audio
    format

    Native
    channel
    resolution

    Modes available

    Output
    channels

    PCM

    2
    When the source has been
    appropriately encoded Dolby Pro
    Logic II gives 5 channel Neo:6 6
    channel and Dolby Pro Logic IIx 7
    channel matrix encoding

    PCM
    PCM + Dolby Pro Logic IIx Movie
    PCM + Dolby Pro Logic IIx Music
    PCM + Dolby Pro Logic IIx Game
    PCM + Neo:6 Cinema
    PCM + Neo:6 Music
    PCM + DSP Movie
    PCM + DSP Music
    Multi channel stereo

    2"
    >7.1
    >7.1
    >7.1
    >7.1
    >7.1
    >7.1 !
    >7.1 !
    >7.1 MCS

    Dolby Digital (2/0)

    2

    Dolby Digital (2/0)
    Dolby Digital (2/0) + Dolby Pro Logic IIx Movie
    Dolby Digital (2/0) + Dolby Pro Logic IIx Music
    Dolby Digital (2/0) + Dolby Pro Logic IIx Game
    Dolby Digital (2/0) + Neo:6 Cinema
    Dolby Digital (2/0) + Neo:6 Music
    Dolby Digital (2/0) + DSP Movie
    Dolby Digital (2/0) + DSP Music
    Dolby Digital (2/0) + Multi channel stereo

    2"
    >7.1
    >7.1
    >7.1
    >7.1
    >7.1
    >7.1 !
    >7.1 !
    >7.1 MCS

    Dolby Digital

    5.1

    Dolby Digital (3/2).1
    Dolby Digital (3/2).1 + EX
    Dolby Digital (3/2).1 + Dolby Pro Logic IIx Movie
    Dolby Digital (3/2).1 + Dolby Pro Logic IIx Music
    Dolby Digital (3/2).1 + Dolby Pro Logic IIx Game

    5.1
    >7.1
    >7.1
    >7.1
    >7.1

    Dolby Digital EX

    6.1

    Dolby Digital EX (3/3).1 Upmix
    Dolby Digital (3/3).1 + Dolby Pro Logic IIx Movie
    Dolby Digital (3/3).1 + Dolby Pro Logic IIx Music

    7.1 %
    >7.1
    >7.1

    DTS (2/0)

    2

    DTS (2/0)
    DTS (2/0) + Dolby Pro Logic IIx Movie
    DTS (2/0) + Dolby Pro Logic IIx Music
    DTS (2/0) + Neo:6 Cinema
    DTS (2/0) + Neo:6 Music
    DTS (2/0) + Multi channel stereo

    2"
    >7.1
    >7.1
    >7.1 %
    >7.1 %
    >7.1 MCS

    DTS

    5.1

    DTS (3/2).1 Upmix
    DTS (3/2).1
    DTS (3/2).1 + Dolby Pro Logic IIx Movie
    DTS (3/2).1 + Dolby Pro Logic IIx Music
    DTS (3/2).1 + Dolby Pro Logic IIx Game
    DTS (3/2).1 + Neo:6 Cinema
    DTS (3/2).1 + Neo:6 Music

    >7.1 #
    5.1
    >7.1 %
    >7.1 %
    >7.1
    >7.1 %
    >7.1 %

    DTS ES Matrix

    6.1

    DTS ES Matrix (3/3).1 Upmix
    DTS ES Matrix (3/3).1 + Dolby Pro Logic IIx Movie
    DTS ES Matrix (3/3).1 + Dolby Pro Logic IIx Music
    DTS ES Matrix (3/3).1 + Neo:6 Cinema
    DTS ES Matrix (3/3).1 + Neo:6 Music

    7.1 %
    >7.1
    >7.1
    >7.1 %
    >7.1 %

    DTS ES Discrete

    6.1

    DTS ES Discrete (3/3).1 Upmix
    DTS ES Discrete (3/3) + Dolby Pro Logic IIx Movie
    DTS ES Discrete (3/3) + Dolby Pro Logic IIx Music
    DTS ES Discrete (3/3) + Neo:6 Cinema
    DTS ES Discrete (3/3) + Neo:6 Music

    7.1 %
    >7.1
    >7.1
    >7.1 %
    >7.1 %

    DTS 96/24

    5.1

    DTS 96/24 Upmix
    DTS 96/24
    DTS 96/24 (3/2).1 + Dolby Pro Logic IIx Movie
    DTS 96/24 (3/2).1 + Dolby Pro Logic IIx Music
    DTS 96/24 (3/2).1 + Neo:6 Cinema
    DTS 96/24 (3/2).1 + Neo:6 Music

    >7.1
    5.1
    >7.1
    >7.1
    >7.1
    >7.1

    Multi Channel PCM

    5.1 $

    Multi PCM 3/2.1
    Multi PCM (3/2).1 + Dolby Pro Logic IIx Movie
    Multi PCM (3/2).1 + Dolby Pro Logic IIx Music

    5.1
    >7.1
    >7.1

    Multi Channel PCM

    7.1 $

    Multi PCM 3/4.1

    7.1

    28



  • Page 29

    651R/751R
    ENGLISH

    azur
    Decode modes - 7.1 speaker setup

    Incoming
    audio
    format

    Native
    channel
    resolution

    Modes available

    Output
    channels

    Dolby Digital Plus

    5.1 $

    Dolby Digital Plus (3/2).1 Upmix
    Dolby Digital Plus (3/2).1
    Dolby Digital Plus (3/2).1 + Dolby Pro Logic IIx Movie
    Dolby Digital Plus (3/2).1 + Dolby Pro Logic IIx Music

    >7.1 #
    5.1
    >7.1
    >7.1

    Dolby Digital Plus

    7.1 $

    Dolby Digital Plus (3/4).1

    7.1

    Dolby True HD

    5.1 $

    Dolby True HD (3/2).1 Upmix
    Dolby True HD (3/2).1
    Dolby True HD (3/2).1* + Dolby Pro Logic IIx Movie
    Dolby True HD (3/2).1* + Dolby Pro Logic IIx Music

    >7.1 &#
    5.1
    >7.1
    >7.1 &

    Dolby True HD

    7.1 $

    Dolby True HD (3/4).1

    7.1 &

    DTS HD High Resolution

    5.1$

    DTS-HD HR (3/2).1 Remap
    DTS-HD HR (3/2).1

    >7.1 #
    5.1

    DTS HD High Resolution

    7.1$

    DTS-HD HR (3/4).1

    7.1

    DTS HD Master Audio

    5.1 $

    DTS-HD MA (3/2).1 Remap
    DTS-HD MA (3/2).1

    >7.1 &#
    5.1 &

    DTS HD Master Audio

    7.1 $

    DTS-HD MA (3/4).1

    7.1 &

    * <=96kHz

    Key (all tables)
    5.1< Indicates a 5.1 decode of 6.1 or 7.1 material (phantom back centre).
    >5.1 Indicates a 5.1 output created by a 2.0 decode post processed to 5.1.
    >7.1 Indicates a 7.1 output created by a 2.0 or 5.1 decode, post-processed to
    7.1.

    MCS – Multi Channel Stereo, L and R output via all Left and Right channels plus a
    Centre channel and subwoofer mix are created.

    In all cases, pressing the Stereo Modes button always cycles round:

    5.1< H Indicates a 5.1 decode of incoming height encoded formats.

    Stereo Modes

    # 7.1 Upmix of 5.1 material, Left and Right Surrounds mixed to both Left and
    Right Surrounds and Left and Right Rear Surrounds.

    Stereo

    2

    Stereo + Sub

    2.1

    % 7.1 ‘upmix’ of 6.1 material. Center back surround channel played back via two
    mono rear surrounds. Acoustically this is actually a native format
    presentation.
    " Stereo or Stereo + Sub, Press Stereo Modes Button to change.
    ! Digital Signal Processing created modes for signals with no encoding.
    $ Available via HDMI inputs only.

    Output channels

    Either native Stereo or downmix of DD/DTS 5.1/6.1/7.1 etc.

    Pressing a mode button will first cause the 651R/751R to scroll
    the current decode mode across the front panel display. Pressing
    the mode button again whilst text is scrolling on the display or
    within 4 seconds of it finishing will select and display the next
    available mode.

    & Lossless encoded format.

    29



  • Page 30

    Using the tuner
    Audio Return Channel
    The 651R/751R supports an Audio Return Channel (ARC) function from TVs
    that also support this function (which must feature an HDMI1.4 input and
    have actually implemented the ARC feature, see your TVs manual).
    ARC allows a TV to send audio back down its incoming HDMI lead to the
    651R/751Rs HDMI A output socket.
    1. Press the Tuner FM/AM button on the front panel or remote control to
    select Tuner mode.
    2. Press the Tuner FM/AM button again to select FM or AM if desired.
    3. Press the Mode/Store button on the front panel (or Mode button on the
    remote control) to select automatic tuning, manual tuning or preset mode.
    4. Press the Tuning + and Tuning - buttons (or the left and right arrow
    buttons on the remote) to select the station you want to listen to.
    In automatic tuning mode the unit scans to the next strong station. In manual
    tuning mode the user can step manually through the frequencies. In preset
    mode the unit cycles through the presets only.
    Two FM modes are available, stereo and mono - Press the Stereo Mono
    button on the remote to alternate between Stereo mode and Mono mode. If
    the Display button is pressed, the RDS station names of FM stations will be
    displayed if available.

    Storing stations
    1. Tune in a station you wish to store as explained previously.
    2. Press and hold the Mode/Store button (or use the Store button on the
    remote) for 5 seconds.
    3. Use the Tuning+/- buttons to select a preset station number (1-15). The
    station number will be displayed on the screen.
    4. Press the Mode/Store button (or use the Store button on the remote) to
    memorise the frequency.

    Radio Data Systems (RDS)
    RDS is a method for the transmission of additional information from local
    radio stations. It is only available in FM mode. RDS will only work if the local
    broadcasting stations have RDS transmission and the signal is strong
    enough.

    This function allows the 651R/751R to play back the audio from a TVs builtin terrestrial cable or satellite tuner whilst you watch it’s picture.

    Using ARC
    The ARC must first be enabled in the Advanced Audio Setup menu.
    Advanced Audio Setup
    Multi Ch.Out

    :

    Pre Out

    HDMI Bypass

    :

    Normal

    TV ARC(HDMIA)

    :

    Enable

    Return I/O

    ARC can be started in one of two ways. If your TV supports it there may be a
    menu item to start ARC on your TV.
    Your TV then sends commands to the 651R/751R which cause it to start an
    ARC session and ‘TV-ARC’ will appear on the front panel display
    automatically.
    Some TVs may also start an ARC session whenever you select the in-built
    tuner and stop when you select another source.
    Alternatively you can start ARC by pressing the Aux/TV button twice on the
    651R/751R (as long as TV-ARC has been enabled in the 651R/751Rs OSD
    which is the default setting).
    The first press selects Aux, the second selects ARC and ‘TV-ARC’ appears on
    the front panel display. The 651R/751R will then send commands to the TV
    over HDMI to try to start an ARC session.

    Press the Info button on the remote and go through the displayed functions.
    There are functions for PS, PTY, CT and RT:
    PS (Station Name) - current station name will be shown
    PTY (Program Type) - current name type of the program will be shown
    CT (Clock/Time) - current time from Radio Station will be displayed.
    Note: Clock/Time will be only transmitted from local radio station once a
    minute. If the Clock - Time is not available the message “NO CT” will appear
    briefly on the display.
    RT (Radiotext) - Radiotext messages will be shown, if available.

    Lip sync
    The 651R/751R can if required apply a small delay to the audio playback to
    resynchronise it to any video playback which appears to be behind the audio
    in time.
    This can sometimes happen if the video is slightly delayed by a player or TV
    performing a lot of video processing.

    To finish ARC simply disengage it on your TV or press a different source
    button on the 651R/751R.

    Picture adjustment
    For sources that have had the Scaler set to Process the 651R/751R can
    provide some picture adjustments.
    These adjustments are remembered source by source.
    Pressing a source for which the scaler is in Bypass will do nothing.
    Pressing a source for which the scaler is set to Process will bring up the first
    adjustment item, shown at the bottom of the screen as below:

    Pressing the Lip Sync button on the remote will bring up the
    current Lip Sync value on the 651R/751Rs main display and
    allow adjustments in 10mS (10 thousandths of a second)
    increments.

    Setting the Lip sync value to 0 causes Lip Sync delay to be turned off.
    Note: The Lip sync value is stored and recalled separately for each source.
    30

    Contrast:

    +41



  • Page 31

    651R/751R

    You can use the Volume knob or the / buttons to make changes to the
    picture or press the Pic.Adj. button again to move to the next item.

    Note: The 651R/751R also shows the active HDMI outputs on the front
    panel display of the unit itself whenever the OSD is on.

    Adjustments are available for Brightness, Contrast, Saturation, Sharpness
    and Y/C Delay.

    This is so you can still see what the active outputs are even if the OSD
    disappears if you turn off the HDMI output you have connected to your TV.

    A second feature of the Picture Adjustment button on the unit’s front panel
    is setting the output resolution for the scaler (this can also be done in the
    OSD see earlier section).

    HDMI Bypass

    If the front panel (not remote) button is pressed and held for approx. 10
    seconds the 651R/751R will show the current scaler output resolution on
    the 651R/751R’s front panel display. Holding for a further 10 seconds will
    change the output resolution to the next available one (and allow time for the
    TV to re-sync).

    The 651R/751R features an HDMI bypass mode that copies the incoming
    HDMI to the output without internal reception or processing.
    This does not necessarily mean all future standards will pass through
    however if they use new pixel clock rates or bit depths that the 651R/751R
    HDMI 1.4 chipset cannot support.

    Holding further will continue the process and the video output will gradually
    move through all possible resolutions 480p 60Hz, 576p 50Hz, 720p 50Hz,
    720p 60Hz, 1080i 50Hz, 1080i 60Hz, 1080p 50Hz and 1080p 60Hz (and
    back round).

    This feature has been included to allow some measure of compatibility with
    any future unsupported audio/video formats as they can be sent directly to
    the TV/Projector.

    This feature can be useful if the scaler output is accidentally set to a
    resolution your TV does not support and picture is lost.

    It can also be useful if you have a TV with built in speakers and would like to
    send the incoming source to the TV for decoding rather than have the
    651R/751R do the decoding.

    By pressing and holding the Pic.Adj. button, you can cause the 651R/751R
    to scroll through all resolutions automatically. Simply let go of the button
    when a visible video image at a suitable resolution appears.

    To select HDMI Bypass select the Advanced Setup menu from the main OSD
    screen, then the Advanced Audio menu and highlight the HDMI Bypass menu
    item.
    Uses the Up/Down buttons to switch between Normal (HDMI reception) and
    Bypass modes.

    Audio split mode
    In some circumstances the 651R/751R is able to allow the user to view one
    source whilst listening to another. For instance you could watch the video of
    a sports channel whilst getting an audio commentary from another such as
    the Tuner.

    Advanced Audio Setup
    Multi Ch.Out

    :

    HDMI Bypass

    :

    Normal
    Bypass

    TV ARC(HDMIA)

    :

    Disable

    To perform Audio Split:
    1. Select the source you wish to watch in the normal way.
    2. Press and hold the button on the front panel (not remote) for the source
    you wish to listen to. After 4 seconds approx “Audio Split” will scroll across
    the display and you will now be listening to that source instead. Video will
    not have changed.

    Return I/O

    Trigger Outputs
    The 651R/751R feature two trigger outputs that can be used to signal to
    external devices for simple automation functions.
    Examples might be using the Triggers to open or close curtains, tell a
    projection screen to roll up and down or turning on/off external power amps
    etc.

    1

    2

    The 651R/751R allows splitting from any source whatever its video input
    type (Composite, S-Video, Component or HDMI) but only to sources where
    analogue or digital audio is the current audio input type, not HDMI.
    If the combination is not allowed “Mode Unavailable” will instead scroll
    across the display and no change will be made. To cancel audio split mode
    simply select a new source and normal operation will be resumed.

    HDMI A and B outputs
    The 651R/751R has two HDMI outputs allowing the connection of two TVs
    or a TV and projector etc. Both outputs show the same picture. HDMI A also
    features an Audio Return Channel for TVs that feature this (see earlier
    section).
    To switch between only HDMI A active, HDMI B active or HDMI A and B both
    active select the HDMI/Component Assign menu in the OSD and highlight
    the HDMI Out menu item. Use the left and right buttons to scroll though the
    options.

    The outputs are 0V for Off and 12V for On at up to 100mA. The connections
    are 3.5mm mono mini-jacks, with the tip as the output, ring as ground.
    To choose how the triggers operate select the Advanced Setup menu from
    the Main Menu, then select the Trigger A (or Trigger B) menu item, the
    options are:
    Advanced Setup Menus
    Advanced Audio
    Input Name Assign
    Advanced Dolby/DTS
    Advanced Audyssey
    Trigger A
    Trigger B
    OSD Setup/SW Version

    Return I/O

    Manual Select: Yes/No – When enabled this means the trigger output can
    be toggled On and Off by the matching Trigger button on the remote control.
    If disabled these buttons will have no effect.

    HDMI/Component Assign
    HDMI 1
    HDMI 2
    HDMI 3
    HDMI 4
    Component 1
    Component 2
    Component 3

    :
    BD/DVD
    :
    VIDEO 1
    :
    VIDEO 2
    : Recorder 1
    :
    BD/DVD
    :
    VIDEO 1
    :
    VIDEO 2

    HDMI Out

    :

    A+B
    Return I/O

    Alternatively, press and hold the Pic. Adj. button when the OSD is on, scrolls
    the output from HDMI A to HDMI B to HDMI A+B and so on.

    Note: When enabled the remote buttons can be used to toggle the outputs
    (override the status) even if they are also following the status of a zone or
    source selection as below.

    Follow Standby: Yes/No/Zone 2 – this means the trigger output can follow
    the On/Off status of the Main Zone or alternatively that of Zone 2.

    Sources: Yes/No – the trigger output can be made to go high when one or
    more specific sources is selected.
    Note: Follow Standby and selecting any Sources are mutually exclusive
    options.

    31

    ENGLISH

    azur



  • Page 32

    Bi-amping

    Bass Augment can be On or Off separately for DD/DTS or Dolby Pro Logic
    II/IIx/Neo:6 operation.

    If you are running a 5.1 (or less) speaker setup, the 651R/751R allows for
    bi-amping of the front left and right channels. It will be seen in the Speaker
    Configuration menu that with the Decode mode set as 5.1 a Bi-amp On/Off
    item appears.

    There is no Bass Augment function for Stereo + Sub mode because in this
    mode if the Front speakers are set to ‘Large’ they will actually always be
    unfiltered.

    Speaker Config Menu
    Decode Mode
    Front L/R
    Centre
    Surr. L/R

    :
    :
    :
    :

    5.1
    Large
    Large
    Large

    Subwoofer
    SBL/R Assign

    :
    :

    Yes
    Biamp

    [FL R must be large
    when Sub Off]

    Bass Augment can be a useful function with Dolby Pro Logic II/IIx and Neo:6
    material because these encoding types do not include an LFE Channel. This
    would normally mean that if all the speakers in your setup were set to ‘Large’,
    the subwoofer would in fact be inactive (as no bass has been re-directed plus
    there is no LFE channel). If it is desired to have the subwoofer running with
    all Large Speakers and these encoding types, enable Bass Augment for
    Dolby Pro Logic II/Neo6 and then set the Crossover points and levels by ear.
    A Sub channel will now be created from the Front Left and Right channels
    without filtering them. As with all adjustments it is a good idea to experiment
    to determine what works best with your particular setup.

    Return I/O

    Note: These adjustments work in all digitally processed Stereo or Surround
    modes but not in Analogue Stereo Direct or 7.1 Direct modes.
    When selected, the 651R/751R sends the front left and right signals to the
    SBL and SBR outputs as well.
    In conjunction with bi-wireable/bi-ampable speakers this allows you to use
    two runs of speaker cable to each speaker with a dedicated amplifier
    channel for the bass and treble drivers of each speaker which can slightly
    increase the sound quality.
    See diagram below of a bi-amped system (only front left and right speakers
    shown).
    Note: Bi-wire links must be removed on the speaker’s terminals.

    The LFE channel (for DD / DTS material) can also be trimmed by up to 10dB
    in 1dB steps useful for late night listening or other situations where it might
    be desired to reduce the low frequency effect level perhaps temporarily.
    Remember the LFE is the Low Frequency Effects channel encoded into the
    disc and is different to the over all sub level which can include bass
    management from the other speakers.
    Bass/Treble adjustments can also be made from the remote without
    entering the OSD by pressing the Bass/Treble button and then using the Vol
    Up/Down buttons.

    Recording
    The 651R/751R features two recorder outputs.
    Recorder 1 features analogue audio, co-axial digital audio, composite and SVideo outputs.

    Tone/Sub/LFE configuration
    Select the ‘Tone/Sub/LFE Menu’ from the main menu:
    Tone/Sub/LFE Menu
    Dolby Digital/DTS
    Sub Trim
    :
    Bass Aug
    :
    Dolby PLIIx/PLIIz/NEO
    Sub Trim
    :
    Bass Aug
    :
    Stereo+Sub Trim :
    Bass
    :
    Treble
    :
    LFE Trim
    :
    Return

    0dB
    Off
    0dB
    On
    0dB
    0dB
    0dB
    0dB
    I/O

    The Bass response can be adjusted +/- 10dB @ 100Hz (shelving). The Treble
    response can be adjusted +/-10dB @ 10kHz (shelving).

    In all cases the 651R/751R does not convert between the formats, it merely
    outputs the signals present at the corresponding inputs for the chosen
    source.
    The chosen source is simply the one that is being listened to via the
    651R/751R main outputs.
    Recorder 2 features analogue audio and co-axial digital audio outputs.

    The 651R/751R incorporates a couple of advanced Bass Management
    features. The overall Sub Level for DD/DTS modes, Dolby Pro Logic
    II/x/Neo:6 modes and Stereo + Sub mode can be set to different levels. This
    can be useful if you prefer to have a high level of Sub operation whilst
    watching movies but a lower level for music playback. The three levels are
    simply adjusted by up to +/-10dB in the OSD. The second feature is that the
    way Bass Management is applied can be changed.
    In normal operation (Bass Augment Off) if the Front speakers are set to
    ‘Small’ (in the ‘Speaker Config’ menu) their bass is re-directed by high-pass
    filtering the Fronts and sending that bass to the Sub channel (i.e. bass is
    removed from the Fronts and sent to the Sub). If they are set to ‘Large’ no
    filtering takes place and no bass is sent from them to the Sub channel.
    However with the Bass Augment function On and the Front speakers set to
    ‘Large’, bass from the Front Left and Right is now sent to the Sub channel
    without any filtering of the Front Left and Right taking place (i.e. these
    channels remain full range). In other words, the bass in the Sub channel is
    augmented by extra bass from the Front Left and Right channels. If the Front
    Left and Right are set ‘Small’, Bass Augment has no effect and operation is
    the same as for Bass Augment Off.

    32

    Again the 651R/751R does not convert between the formats, it merely
    outputs the signals present at the corresponding inputs for the chosen
    source.



  • Page 33

    However in the case of Recorder 2 the output can be different to that being
    listened to via the 651R/751R main outputs.
    Thus it is possible to listen to one source and record another. Selection of the
    Recorder 2 outputs source is done via the Record 2/Zone 2 Output select
    menu in the OSD as follows.

    651R/751R

    All three adjustments are a matter of personal preference, experiment for the
    settings that you prefer when you are using Dolby Pro Logic II or Dolby Pro Logic IIx
    decoding.
    Advanced Dolby/DTS Setup
    Dolby Pro Logic IIx/IIz

    Record 2/Zone 2 Output Select

    Panorama
    Center Width
    Dimension

    :
    :
    :

    Off
    0
    3

    Select the rec.2/Zone 2 Output Select menu from the main OSD menu.

    Dolby DRC

    :

    Off

    DTS HD Spkr Remap :

    Rec.2/Zone2 Output Select

    1
    Return I/O

    Recorder 2

    :

    BD/DVD

    Zone 2

    :

    Off

    Dynamic range control
    This setting controls the dynamic range of Dolby Digital movie soundtracks
    by compressing the audio to limit the difference in level between loud and
    quiet passages in the movie.

    Return I/O

    Highlight the Recorder 2 item and use the < and > buttons to scroll through
    the sources. Whichever you select will be sent to the Recorder 2 outputs.

    OSD setup/software version

    This can be a useful feature when watching movies late at night for instance.
    Three settings are possible:
    Auto – Compression is always applied for Dolby Digital and Dolby Digital Plus
    soundtracks. The application and amount of compression to Dolby True HD
    soundtracks is dictated by the soundtrack itself.
    Off – No Compression (normal full dynamic range playback)

    OSD Setup/SW Version Menu
    OSD Language:

    English

    Firmware: 1.08/1.12/1.04

    On – Compression is always applied for all Dolby soundtracks (reduced
    dynamic range playback).

    Source Naming

    (MCU/HDMI/DSP)

    It is possible to change the default source names as displayed on the units
    front panel display.
    Return I/O

    The OSD can be shown in several different languages. To change the OSD
    language, select Advanced Setup menu from the main OSD menu then select
    the OSD Setup/SW version menu. Finally highlight the ‘Language’ menu and
    use the Left and Right arrows to select between English, Dutch, French,
    German, Spanish, Italian, Norwegian, Swedish and Danish. Press the (I/O)
    button again to exit and save the options.
    The current software versions loaded into you unit is also shown in this
    menu.

    Select the Advanced Setup menu from the main OSD menu, then select Input
    Name Assign.
    Advanced Setup Menus
    Advanced Audio
    Input Name Assign
    Advanced Dolby/DTS
    Advanced Audyssey
    Trigger A
    Trigger B
    OSD Setup/SW Version

    If you have any reason to contact our customer service with a problem or
    query about your unit it is useful to quote these numbers for our reference.

    Advanced Dolby/DTS adjustments
    The first three adjustments affect Dolby Pro Logic II or IIx processing (or postprocessing) in Music mode only. Movie and Game modes where available are
    preset as part of their specification to match the encoding or provide a
    specific effect. These adjustments have no affect in these or other modes.
    Advanced Dolby/DTS Setup
    Dolby Pro Logic IIx/IIz
    Panorama
    Center Width
    Dimension

    :
    :
    :

    Off
    0
    3

    Dolby DRC

    :

    Auto

    DTS HD Spkr Remap :

    1
    Return I/O

    Return I/O

    To edit a source name highlight it in the OSD and press Enter then use the
    volume Up/Down buttons on the remote to change each character.
    Input Name Assign Menu
    BD/DVD
    Video1
    Video2
    Video3
    REC1
    AUX
    CD
    REC2
    Exp.

    :[
    :[
    :[
    :[
    :[
    :[
    :[
    :[
    :[

    BD/DVD
    Video 1
    Video 2
    Video 3
    Recorder 1
    Aux
    CD
    Recorder 2
    Expansion

    ]
    ]
    ]
    ]
    ]
    ]
    ]
    ]
    ]

    Save/Return I/O

    Pressing the enter button on the remote moves to the next character or you
    can use the < and > buttons to step forward or back a character at a time.
    Once you are finished press the (I/0) button to save the current source
    name.

    Panorama mode - A Dolby Pro Logic II/IIx mode that extends the front Stereo
    image to the surround sound speakers for a more enveloping experience.
    This mode can be either On or Off.
    Centre Width - Allows gradual adjustment of the centre image from being
    produced only by the Centre speaker (Setting 0) through levels of being
    spread between the centre channel and Left and Right speakers to finally
    being produced by the Front Left and Right speakers only (Phantom Centre,
    Setting 7). Useful in optimising the Front/Centre/Right soundfield for best
    integration of the 3 speakers. Best tuned by ear.
    Dimension - Adjusts the soundfield to be gradually shifted from the front of
    the room to the back to suit taste, speaker positioning and size of room.
    Setting 0 has the image furthest forward, 6 furthest back.
    33

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  • Page 34

    Using the 651R/751R with an IR
    repeater system

    Using Zone 2 with the built in SBL/SBR amplifier outputs

    If desired the 651R/751R can be mounted in a suitably well ventilated
    cabinet and an IR repeater system used to control the unit remotely.

    In the On-Screen Display select the Speaker Setup menu.

    Both an IR Emitter input (suitable for IR repeater systems with modulated IR
    emitter outputs) and an IR Receiver input (suitable for IR repeater systems
    with un-modulated TTL level outputs) for the Main Zone are featured.
    A Front IR On/Off switch on the rear panel allows the disabling of the front
    panel IR receiver if desired.

    If you are using only the 5 main outputs in the main Zone (or less) you can
    reassign the SBL/SBR amplifier channels to Zone 2.

    azur 651R Main Menu
    Speaker Setup
    HDMI/Component Assign
    Video Input Select
    Scaler Assign
    Video Processing Settings
    Audio Input Select
    Tone/Sub/LFE Config.
    Rec.2/Zone2 Output Select
    Advanced Setup
    Quit I/O

    Then select the Speaker Configuration menu.
    Speaker Setup Menu
    Speaker
    Speaker
    Speaker
    Speaker

    Configuration
    Level Calibration
    Distance
    Crossover

    Audyssey Autosetup
    Audyssey Autosetup & 2EQ

    Control Bus In/Out also allow some Cambridge Audio products which feature
    App. control such as the StreamMagic 6 Network Player to control the basic
    functions of the 651R/751R remotely.
    Contact your dealer for details.

    Return I/O

    Now select the Decode Mode item and select 5.1.
    Speaker Config Menu

    Zone 2 setup and use
    The 651R and 751R features a set of Zone 2 outputs which can
    independently access stereo audio/video sources connected to the unit via
    a range of analogue connections.
    Digital inputs (S/PDIF/Co-ax, Toslink/Opto or HDMI) cannot be directly
    selected by Zone 2.
    However for any source simply by making a parallel analogue connection for
    audio or video to the 651R/751R alongside any digital connections allows
    that source to now be used in Zone 2 also.
    Sources directly selectable in Zone 2 are BD/DVD, Video 1, Video 2, Rec 1,
    Aux, CD, Rec 2, Vid 3/Mp3 plus the Expansion input and the built-in Tuner.
    There is also a Follow Main function. This sends a 2 channel down-mix (L+C,
    R+C) of the source currently selected in the Main Zone to Zone 2.
    This is useful if you want to listen to a digitally connected or surround source
    in Zone 2 which cannot be directly selected in Zone 2.
    You can choose to watch the same source as the main room or a different
    source, Zone 2 can also be On or Off (in standby) whether or not the main
    room output is On or Off (in standby).
    The audio output can be either by using the Surround Back Left and Right
    channels if they are not being used in the main room (if the main room is
    configured as 5.1 or less) or by using the Zone 2 preamp outputs and an
    external power amp. The Zone 2 video output can be via Composite (CVBS),
    S-Video or Component (YUV/YCbCr/YPbPr).
    Note: The 651R/751R does not transcode between analogue video types for
    Zone 2, the three types are switched in parallel.
    Thus it is usually better to decide on one analogue video connection type to
    the 651R/751R for Zone 2 use, failing this you can connect more than one
    Zone 2 video output to the Zone 2 TV and switch the TV to the appropriate
    input type for that source.

    34

    Decode Mode
    Front L/R
    Center
    Surr. L/R

    :
    :
    :
    :

    5.1
    Large
    Large
    Large

    Subwoofer
    SBL/R Assign

    :
    :

    Yes
    Zone 2

    [FL R must be Large
    when Sub Off]
    Return I/O

    A menu item should be displayed called SBL/R Assign.
    When they are not being used in the main room (for a 7.1 speaker setup) this
    function allows the SBL/R channels to be re-assign to bi-amping the front
    channels (Bi-amp see later section) or Zone 2 or simply not used (None).
    Select Zone 2 use and go back out of the menu structure.
    Now connect a suitable pair of loudspeakers (4-8 ohms) for Zone 2 as shown
    below to the SBL and SBR outputs.
    Note: Be careful no small ‘hairs’ or strands of wire are able to short the
    loudspeaker terminals together or short them to the back panel.
    Optionally a Subwoofer can also be used in Zone 2, simply connect a suitably
    long RCA/Phono – RCA/Phono lead from the Zone 2 Sub out to the
    subwoofer in Zone 2.

    Zone 2
    Optional
    subwoofer



  • Page 35

    With this configuration you can now control Zone 2 from the main room by
    using the main or Zone 2 handsets as supplied (see later section).
    If it is desired to remotely control Zone 2 and the sources in it from Zone 2
    itself an additional (not supplied) IR repeater system should be used, choose
    one with an Emitter (modulated) type output suitable to connect to the Zone
    2 IR emitter In (contact your dealer for details).
    CD Player

    651R/751R

    If the remote Zone 2 power amp features a trigger input to turn it on and off
    it is possible to use one of the 651R/751R trigger outputs for this. Connect
    a suitably long 3.5mm mono jack 3.5mm mono jack lead from the Trigger A
    or Trigger B output as shown.
    Zone 2

    Zone 2
    IR Receiver

    Satellite Receiver
    IR
    Repeater

    Remote

    In this configuration an Infra-Red repeater system receives commands in
    Zone 2 and relays them back to the 651R/751R via the Zone 2 IR Emitter In.
    Now you can control Zone 2 from within that Zone using either the Zone 2 or
    main handsets. In addition if IR Emitters outputs are connected from the
    Zone 2 IR Emitter Outputs on the 651R/751R to the source components
    (usually placed over the source units IR sensors) then commands from
    remotes in Zone 2 can be relayed back to the source components.
    The sources own handsets plus the Zone 2 or main handsets can be used in
    Zone 2 or a learning type remote can be used to combine all the functions
    together.

    Using Zone 2 with an external stereo power amp.
    The 651R/751R Zone 2 outputs include a permanently available preamp
    output. This can be used to connect a separate power amp in Zone 2 if for
    instance the SBL/SBR amplifier channels are being used in the main zone.
    Zone 2

    To set the Trigger output to follow Zone 2 select Advanced Setup in the OSD
    then Trigger A (or B).
    Now select Follow Standby and select Zone 2. The trigger output will now be
    active (high) when Zone 2 is On and inactive (low) when Zone 2 is Off.
    Note: The Trigger menu also allows for Manual Select (i.e. the trigger toggles
    each time the Trigger A (or B) button is pressed on the main remote handset.
    If you want to disable this function and have the trigger only follow the Zone
    2 on/off status ensure that Manual Select is set to No. See the Trigger menu
    section for full details.

    Controlling Zone 2 from the main room
    Controlling Zone 2 Components
    From the main room you can use the main remote handset or the buttons
    on the front of the unit itself and operation is the same in either case.
    First press the Zone 2 button on the front panel or remote then another
    button for a function you wish to affect Zone 2 within 5 seconds.

    Optional
    subwoofer

    If a command is not received within 5 seconds the unit will return to normal
    operation.
    To turn on Zone 2 press the Zone 2 button followed by the Standby/On
    button within 5 seconds.

    2

    1

    Or.
    Optionally a Subwoofer can also be used in Zone 2 as shown, simply connect
    a suitably long RCA/Phono – RCA/Phono lead from the Zone 2 Sub out to the
    subwoofer in Zone 2.

    2

    1

    The Zone 2 preamp output is unaffected by the assignment of the SBL/R
    channels and is always available.
    If a power amp is used for Zone 2 the SBL/SBR amplifier channels can then
    be used for 7.1 (Set decode mode to 7.1) or Height channels (set decode
    mode to 5.1+H) or to bi-amp the front channels (Set decode mode to 5.1 and
    Set SBL/R assign to Bi-amp) or simply leave them unconnected (Set decode
    mode to 5.1 and Set SBL/R assign to None).

    When Zone 2 is pressed the display will initially show Zone 2 : Off once
    Standby/Off is pressed the display will change to show Zone 2 : BD/DVD or
    whatever was the last source used in Zone 2.
    To turn off Zone 2 simple press Zone 2 followed by the Standby/Off button
    again.

    35

    ENGLISH

    azur



  • Page 36

    Zone 2 continued
    To select Tuner in Zone 2, press Zone 2 followed by the Tuner button.
    Do this again to switch from AM to FM or vice versa.
    To select other sources in Zone 2 press Zone 2 followed by the desired
    source button.
    To select the same source as the main room’s, press Follow Main.
    To change the volume is Zone 2 press Zone 2 followed by the volume up or
    down buttons (or volume knob).
    To mute Zone 2 press Zone 2 followed by the Mute button.
    You can also use the Zone 2 handset in the main room to control Zone 2.
    In this case all the remote commands automatically control Zone 2, simply
    point the Zone 2 handset at the main unit and use the Standby/On or source
    buttons to always control Zone 2 operation.
    Note: The Zone 2 handset has a couple of special features.
    Using the |< or >| preset up down buttons for the Tuner will always
    automatically put the tuner into Preset mode (as opposed to Manual or
    Automatic modes).
    Note: The Tuner will also only scroll through Presets that have actually been
    set.
    The Zone 2 remote has a Follow Main function. This forces Zone 2 to follow
    the same source selection as the main zone. This can be useful in that Zone
    2 can now receive any audio type including digital or HDMI audio that is being
    decoded for the main zone. The Zone 2 outputs are created from Left +
    Centre and Right + Centre so that centre channel dialogue can be heard in
    Zone 2.

    DTS-HD speaker re-map
    As there is no “official” speaker layout for discrete 7.1 channel audio it could
    be possible that the original master track of a 7.1 soundtrack was mastered
    with a different speaker layout than the one being used in your home. DTS
    have addressed this issue for DTS-HD Master Audio and High Resolution
    Audio by including in the bitstream flags to tell the receiving AV Receiver which
    of a 7 nominal 7.1 speaker layouts was actually used. By using special DTS
    Speaker Remap algorithms the 651R/751R is able to electronically
    “reposition” the speakers (i.e. direct the audio propagation), so that the
    playback matches the original encoded layout for the best possible sound
    quality.
    A second aim of this technology is that by re-purposing some of the 7.1
    available channels it is possible to use some of them to do new things such
    as adding a height element to the sound field.
    The following digrams show the 7 possible encoding schemes for reference.
    The angles quoted refer to the angle from a nominal 0 degrees line through
    the centre channel to each speaker either side right or left of that line.
    Configurations 1 and 5 are variants of normal 7.1 setups whilst
    Configuration 6 can increase the available panning of the front channels.
    Configurations 2, 3, 4 and 7 are less conventional and re-purpose some of
    the available 7.1 channels to provide an extra height dimension to the sound
    field in different ways. Configuration 4 is the one the 651R/751R expects if
    you choose to use a 5.1 + Height speaker setup. Please refer to the DTS
    website for more details on this new technology.
    Configuration 1 - 7.1 channel: L, C, R, LFE, Lss, Rss, Lsr, Rsr

    It is also possible to control Zone 2 via the On Screen Display.
    From the main OSD screen select the Rec.2/Zone 2 Output Select menu and
    then select the Zone 2 menu item.
    azur 651R Main Menu
    Speaker Setup
    HDMI/Component Assign
    Video Input Select
    Scaler Assign
    Video Processing Settings
    Audio Input Select
    Tone/Sub/LFE Config.
    Rec.2/Zone2 Output Select
    Advanced Setup

    Center
    Left (30°)

    Right (30°)

    LFE
    Left Surround Side (90°)
    Right Surround Side (90°)

    Left Surround Rear (150°)
    Right Surround Rear (150°)

    Quit I/O

    Configuration 2 - 7.1 channel: L, C, R, LFE, Ls, Rs, Lhs, Rhs
    Use the < and > buttons on the remote scroll to through the various sources
    available, Follow Main and Off.
    Center

    Controlling Zone 2 from Zone 2 itself
    As previously described you will need an IR repeater system in order to do
    this.
    This allows commands received in Zone 2 to be relayed back to the Zone 2
    IR Emitter Input on the back of the unit.
    Via such a repeater you can use both the main and Zone 2 handsets in Zone
    2. For both handsets all commands received will automatically affect Zone 2.

    Left (30°)

    Right (30°)

    LFE
    Left Height Side (90°)
    Right Height Side (90°)

    Left Surround (110°)
    Right Surround (110°)

    i.e. for the main zone handset when used in this way in Zone 2 you do not
    need to press Zone 2 followed by another command. Simply select a source
    or mute etc. and the unit will automatically do that function in Zone 2.

    Configuration 3 - 7.1 channel: L, C, R, LFE, Ls, Rs, Cs, Oh

    Center Over-Head
    Left (30°)

    Center
    Right (30°)

    LFE

    Left Surround (110°)
    Right Surround (110°)
    Center Surround

    36



  • Page 37

    Configuration 4 - 7.1 channel: L, C, R, LFE, Ls, Rs, Lh, Rh

    651R/751R

    For playback the 651R/751R expects you to have an actual physical
    speaker setup approximately conforming to one of the layouts as shown
    below.

    Center

    Conventional 5.1

    Left Height

    Center

    Right Height

    Left (30°)

    Right (30°)

    LFE

    Left (30°)

    Right (30°)

    LFE

    Left Surround (110°)
    Right Surround (110°)
    Left Surround Rear (150°)
    Right Surround Rear (150°)

    Configuration 5 - 7.1 channel: L, C, R, LFE, Ls, Rs, Lsr, Rsr
    5.1 + Height

    Center
    Left (30°)

    Right (30°)

    Center

    Left Height
    Right Height

    Left (30°)

    LFE

    Right (30°)

    LFE

    Left Surround (110°)
    Right Surround (110°)

    Left Surround (110°)
    Left Surround Rear (150°)

    Right Surround (110°)
    Right Surround Rear (150°)

    Configuration 4
    Configuration 6 - 7.1 channel: L, C, R, LFE, Ls, Rs, Lw, Rw
    7.1
    Configuration 1

    Center
    Left (30°)

    or Configuration 5

    Right (30°)

    LFE
    Left Wide (60°)
    Right Wide (60°)

    Left Surround (110°)
    Right Surround (110°)

    Configuration 7 - 7.1 channel: L, C, R, LFE, Ls, Rs, Ch, Cs

    Center Height
    Left (30°)

    For 5.1 setups the situation is simple, the 651R/751R automatically
    performs any DTS speaker remapping required, mapping any of the 7
    incoming possibilities to this configuration.
    For 5.1 + Height the 651R/751R also automatically performs DTS speaker
    remapping, mapping the incoming possibilities to configuration 4.

    Center
    Right (30°)

    LFE

    For 7.1 there are two alternative speaker setup you might have. These
    corresponds to configuration 1 and configuration 5 as above.
    Here you need to tell the 651R/751R which configuration best matches your
    speaker setup by selecting the DTS-HD speaker menu and selecting the 1 or
    5 option.
    When 5.1 + Height has been selected, the DTS HD Spkr Remap function will
    be permanently set to Configuration 4 as you would expect.

    Left Surround (110°)
    Right Surround (110°)
    Center Surround

    Advanced Dolby/DTS Setup
    Dolby Pro Logic IIx/IIz
    Panorama
    Center Width
    Dimension

    :
    :
    :

    Off
    0
    3

    Dolby DRC

    :

    Auto

    DTS HD Spkr Remap :

    1
    Return I/O

    Also note that where the incoming speaker configuration and your physical
    speaker configuration actually match the 651R/751R performs no extra
    mapping as you’d expect.

    37

    ENGLISH

    azur



  • Page 38

    Auto Power Down

    Troubleshooting

    The 651R/751R feature automatic power down and will by default shut
    down if no audio playback has been detected for 30 minutes.

    A low hum or buzz sound can be heard

    This feature can be enabled or disabled in the Advanced Audio Setup menu,
    select the Auto Power Down item and press the < or > buttons on the remote
    to change.

    Analogue inputs not connected securely.

    Power cords or lighting placed near this product.

    Sound is not audible from one channel
    Speaker connections disconnected.

    Advanced Audio Setup
    Multi Ch.Out

    :

    Pre Out

    HDMI Bypass

    :

    Normal

    TV ARC(HDMIA)

    :

    Enable

    Auto Power Down

    :

    Enable

    Speaker set to “None” in OSD setup menu.

    Sound cuts off when listening to music or there is no
    sound even though power is ON
    Speaker impedance is less than prescribed for the 651R/751R.
    The unit is not adequately ventilated and may be overheating.

    Return I/O

    Low bass or “phasey” response
    Speaker polarity (+/-) of one or more speakers is reversed.

    Custom installation (C.I.) use
    An IR Emitter Input is provided that allows
    RS232C
    modulated IR remote control commands to be
    received electrically by the unit. An IR receiver input
    and Control Bus connections, similarly allows unmodulated commands to be received. An RS232 port is also
    featured which allows the 651R/751R to be controlled by C.I. systems.
    In addition the unit features 'direct' IR/Control codes as well as toggle codes
    for some features to simplify programming custom installation systems.
    Special direct On/Off and Mute On/Off commands can be accessed on the
    supplied remote control for teaching into C.I. systems as follows:

    An unusual hissing noise is heard when listening to a radio
    broadcast in stereo, but not heard when listening in mono
    A slight noise may be heard because the method used for modulation of FM
    stereo broadcasts is different than that used for mono broadcasts.
    Aerial quality also effects the level of hiss heard.

    Noise is excessive in both stereo and monaural radio broadcasts
    Poor location and/or direction of the antenna.
    Transmitting station is too far away.

    No sound from the rear speakers
    Source being played is not recorded in surround sound.
    Speaker/s set to “None” in OSD setup menu.

    1.Press and hold the Standby/On button on the remote control. The remote
    first generates it's standby (toggle) command. Keep the button held down,
    after 12 seconds an AV receiver “On” command will be generated. If the
    button is kept held down for a further 12 seconds, an AV receiver “Off”
    command is generated.
    Repeat this procedure with the Mute and Stereo/Mono buttons to send
    On/Off commands. The Tuner AM/FM button also provides unique FM and
    AM commands to allow switching to a specific band.
    A full IR code table and RS232 protocol for this product is available on the
    Cambridge Audio website at www.cambridge-audio.com.

    A stereo mode has been selected.

    No sound from the centre speaker
    Centre speaker has been set to “None” in OSD setup menu.
    A stereo mode has been selected.

    No sound from the subwoofer
    Sub has been set to ‘Off’ in the OSD setup menu or via the remote.
    DTS Neo:6, DD Dolby Pro Logic II/IIx modes (which have no LFE channel)
    have been selected with all speakers set to “Large” (and bass augment off).

    Reset/Back-up memory

    Remote control is not working
    The batteries are flat.

    The 651R/751R has a function that preserves the preset memory and other
    settings. In the event of a power failure, or if the power cord of the unit is
    disconnected from the mains outlet, the back-up memory will preserve the
    preset memory.
    If it is desired to reset all settings to their factory defaults (or in the unlikely
    event that the unit locks up due to an electrical discharge etc), with the unit
    on (out of Standby) press and hold the BD/DVD and Analogue Stereo Direct
    buttons on the front panel at the same time for three seconds.
    “RESET” will appear briefly on the front panel display and all settings will be
    erased.

    The remote is too far from the receiver or out of the effective range.

    No sound from speakers when connected to a digital
    input or HDMI
    Audio input type is set to analogue (check display). Press the Audio Input
    Type button to switch to digital or HDMI.

    No sound from speakers when connected to an analogue input
    Audio input type is set to digital. Press the Audio Input Type button to switch
    to analogue (check display).
    Audio input type can also be set in the Input/Output Setup menu of the OSD.

    No sound from any speakers
    Receiver is set for ‘Pre-out’ operation.
    By entering the OSD menu, selecting the input/output setup menu, the
    Preamp out setting can be changed from ‘Normal’ to ‘Pre-out’. This disables
    the internal amplifiers when an external decoder amplifier is being used.
    Reset this to ‘Normal’ to restore sound.

    No sound from front speakers, but rear speakers work
    Receiver is set for ‘Ext 2Ch’ operation.
    By entering the OSD menu, selecting the input/output setup menu, the
    Preamp out setting can be changed from ‘normal’ to ‘Ext. 2 Ch’. This disables
    the internal amplifiers for the front channels when an external amplifier is
    being used to drive those channels. Reset this to ‘Normal’ to restore sound.

    38



  • Page 39

    azur

    651R/751R

    General

    Audio
    Power Output

    ENGLISH

    Technical specifications
    651R

    Architecture

    All Channels : 175 watts rms per channel,
    6 ohms (two channels driven)

    Cirrus Logic CS43122 24 Bit 192kHz
    capable DAC for Front Left & Right
    Cirrus Logic CS52526 24 Bit 192kHz
    capable CODEC for surround
    channels + 24 Bit 2 channel A/D
    conversion

    All Channels : 140 watts rms per channel,
    8 ohms (two channels driven)
    All Channels : 100 watts rms per channel,
    8 ohms (all 7 channels driven)

    Two TI Aureus DA788 32 Bit DSPs

    751R

    Anchor Bay ABT2010 video scaler

    All Channels : 200 watts rms per channel,
    6 ohms (two channels driven)

    751R only:

    All Channels : 170 watts rms per channel,
    8 ohms (two channels driven)

    USB Audio 1.0:
    16-24 bit 32kHz, 44.1kHz, 48kHz,
    88.2kHz, 96kHz

    All Channels : 120 watts rms per channel,
    8 ohms (all 7 channels driven)
    THD

    <0.006% @1kHz

    Crosstalk

    <-80dB

    Frequency response

    10Hz - 20kHz ±1dB

    S/N Ratio

    >90dB 'A' weighted

    Audio Input Impedance /
    Sensitivity

    Additional AD SP-21261 40 Bit DSP
    performing 24-bit/192kHz ATFTM
    Upsampling

    USB Audio 2.0:
    16-24 bit 32kHz, 44.1kHz, 48kHz,
    88.2kHz, 96kHz, 192kHz
    Audio Inputs

    8 Line Level Analogue, Tuner (FM/AM),
    Expansion, 7.1 Analogue Input, 5 Digital
    Co-axial, 5 Digital Optical

    47kOhms / 175mV or greater

    Video Inputs

    4 Composite, 4 S-Video,
    3 Component Video

    Digital Input Impedance

    75 ohms (Coaxial/S/P DIF)

    HDMI Inputs

    Tone Control
    - Bass
    - Treble

    651R: 4 HDMI (1.4a)
    751R: 5 HDMI (1.4a) + 1 HDMI (1.3c) on
    the front panel.

    ±10dB @ 100Hz
    ±10dB @ 10kHz

    Main Audio Outputs

    7 Amplified Speaker Outputs
    7.2 Preamp outputs

    Tuner
    - FM mode
    - AM mode

    87.5-108MHz
    522-1629kHz

    Main Video Output

    2 x HDMI (1.4a), ARC through HDMI A

    Recording Audio Outputs

    2 Line Level Analogue, 2 Digital Co-Axial,
    2 Digital Optical

    Recording Video Outputs

    1 Composite, 1 S-Video

    Tuner connections

    FM: 75 ohm coaxial aerial
    AM: 300 ohm loop aerial

    Other connections

    1 ¼" / 6.35mm Headphone Output
    (32 To 600 ohms recommended)
    3 IR Emitter Outputs
    1 IR Receiver Input (un-modulated)
    1 IR Emitter Input (modulated)
    1 Control Bus Input / Output
    1 RS232C
    1 IEC type mains inlet

    Trigger outputs (A&B)

    Off: 0v, On 12v @ 100mA max.
    Tip - output, Ring - ground

    Video
    Video Levels /Impedance
    - Composite (CVBS)

    1Vp-p / 75 ohm

    - S-Video (S-VHS)

    Y 1Vp-p / 75 ohm
    C 0.286 Vp-p / 75 ohm

    - Component

    Y 1Vp-p / 75 ohm
    Cb/Cr 0.75Vp-p / 75 ohm
    Pb/Pr 0.75Vp-p / 75 ohm

    HDMI
    HDMI 1.4a *
    EIA/CEA - 861D
    HDCP 1.1
    * Except 751R front panel HDMI which is 1.3c.

    Zone 2
    All audio modes supported except reception of native Direct Stream
    Digital (DSD).

    2.1 Preamp Output
    1 Composite, 1 S-Video, 1 Component
    video output
    1 IR Emitter Input

    3D-TV/deep colour pass through supported.
    ARC supported on HDMI Output ‘A’.

    Optionally:
    SBL/SBR can be assigned to Zone 2

    CEC and HEC not supported.

    Standby power consumption <0.5W
    Max power consumption
    Dimensions - H x W x D
    Weight

    651R: 1400W
    751R: 1700W
    150 x 430 x 420mm
    17.4kg (38.3lbs)
    39



  • Page 40

    Cambridge Audio is a brand of Audio Partnership Plc
    Registered Office: Gallery Court, Hankey Place
    London SE1 4BB, United Kingdom
    Registered in England No. 2953313

    © 2012 Cambridge Audio Ltd

    AP31780/1-A

    www.cambridge-audio.com






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