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Your music, our passion
751R V2
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ENGLISH
AV receiver
User's manual
2
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  • Page 1

    azur
    751R V2

    Your music, our passion

    ENGLISH

    AV receiver
    User's manual
    2



  • Page 2

    Contents
    Important safety instructions .............................................................................3
    Limited warranty...................................................................................................4
    Front panel controls.............................................................................................5
    Rear panel connections.......................................................................................7
    Main remote control.............................................................................................8
    Apple device compatibility...................................................................................9
    Zone 2 remote control.........................................................................................9
    Front panel display............................................................................................ 10
    Loudspeaker connections................................................................................ 10
    Analogue audio connections............................................................................ 11
    Digital audio connections................................................................................. 11
    HDMI input connections................................................................................... 12
    Video output connection (HDMI A & B)............................................................ 12
    Analogue video input connections................................................................... 13
    5.1/7.1 direct in................................................................................................ 13
    7.1 preamp out.................................................................................................. 14
    Front input connections.................................................................................... 14
    Aerial connections............................................................................................. 14
    FM aerial............................................................................................................ 14
    AM loop aerial................................................................................................... 14
    751R V2 setup.................................................................................................. 15
    Speaker setup................................................................................................... 15
    Front left and right speakers....................................................................... 15
    Centre speaker............................................................................................. 15
    Surround left and right speakers................................................................ 15
    Subwoofer..................................................................................................... 15
    Surround back left and right speakers....................................................... 15
    Front left and right height speakers........................................................... 15
    Audyssey 2EQ® and autosetup....................................................................17
    Assigning video inputs................................................................................. 20
    Source setup................................................................................................ 20
    Audio connection type................................................................................. 20
    Video processing settings.............................................................................21
    Surround sound modes.....................................................................................21
    DSP modes........................................................................................................ 22
    Analogue stereo direct...................................................................................... 22
    Multi channel PCM............................................................................................ 22
    USB audio.......................................................................................................... 23
    Use with PCs...................................................................................................... 23
    Use with Macs................................................................................................... 23
    Use with Linux................................................................................................... 23
    Operating instructions.......................................................................................24
    Selecting the source.....................................................................................24
    Using the tuner............................................................................................. 29
    Storing stations............................................................................................ 29
    Lip sync......................................................................................................... 29
    Picture adjustment....................................................................................... 29
    Audio Return Channel.................................................................................. 29
    Audio split mode.......................................................................................... 30
    HDMI A and B outputs................................................................................. 30
    Trigger outputs............................................................................................. 30
    Bi-amping.......................................................................................................31
    Tone/Sub/LFE configuration........................................................................31
    Recording.......................................................................................................31
    Record 2/Zone 2 output select................................................................... 32
    OSD setup/software version....................................................................... 32
    Advanced Dolby/DTS adjustments............................................................. 32
    Dynamic range control................................................................................. 32
    Source naming............................................................................................. 32
    Using the 751R V2 with an IR repeater system......................................... 33
    Zone 2 setup and use.................................................................................. 33
    DTS-HD speaker re-map.............................................................................. 35
    Auto power down...........................................................................................37
    Reset/Back-up memory................................................................................37
    HDMI preview................................................................................................37
    Custom installation (C.I.) use............................................................................37
    Technical specifications.................................................................................... 38
    Troubleshooting................................................................................................. 39

    2

    Before connecting
    The process of setting up the 751R V2 is first to make all the connections
    to your speakers and source equipment and then set the unit up via its
    On-Screen Display (OSD). There are various settings and adjustments that
    need to be made before the 751R V2 can be used.
    However before you actually decide which connections to make or perform
    any adjustments it is strongly advised that you read through the '751R V2
    setup' section of this manual first, starting on page 15.
    A lot of explanation is included that will help you to choose the right
    connection types for both your sources and TV.

    Make sure you register your purchase.
    Visit: www.cambridge-audio.com/sts
    By registering, you'll be the first to know about:
    • Future product releases
    • Software upgrades
    • News, events and exclusive offers plus
    competitions!
    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 2015
    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.

    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

    751R V2
    ENGLISH

    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.
    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.

    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
    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.

    3



  • Page 4

    Limited warranty
    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
    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.
    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.

    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.

    4

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



  • Page 5

    azur

    751R V2
    ENGLISH

    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

    1

    18

    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.
    3

    Tuning +/-

    Used to tune FM/AM frequencies and skip presets for the built-in Tuner.
    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).
    5

    Infrared sensor

    Receives IR commands from the supplied remote control. A clear,
    unobstructed line of sight between the remote control and the sensor is
    required.
    6

    Display

    Displays the status of the unit.
    7

    Tuner FM/AM

    Press to select the tuner. Once in Tuner mode press to switch between FM
    and AM modes.
    Note: The 751R V2 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

    HDMI Preview

    Press to see the previews of different HDMI sources connected to the unit.
    Use the remote control navigational button or use the Tuning +/- to navigate
    and press the Mode/Store button to activate the chosen preview display.
    9

    USB

    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.
    11

    Video 1

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

    19

    20

    12

    21

    Video 2

    Press to select the source equipment connected to the Video 2 input.
    13

    Recorder 1

    Press to select the source equipment connected to the Recorder 1 input.
    14

    Aux/TV

    Press to select the source equipment connected to the Aux input.
    With ARC enabled (see later section), press again to select Audio Return
    Channel from a suitable TV.
    15

    CD

    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.
    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 751R V2's front panel display. Keep holding the button down and the
    751R V2 will change to the next available resolution and show it on the front
    panel display. See later section.

    5



  • Page 6

    Front panel controls cont.
    21

    24

    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

    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

    Video 3/MP3

    Volume

    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).

    Use to increase/decrease the level of the sound from the outputs of the
    751R V2.

    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.

    26

    Mute/Info

    HDMI

    Press to mute the sound from the main and pre-amp outputs of the 751R V2.
    Press again to cancel mute.

    A HDMI 1.3 input is also available.

    Note: Selecting a new source always cancels mute.

    Note: This front HDMI connection does not support 4K output.

    Press and hold to re-display the current decoding mode.

    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.

    Rear panel connections
    5

    6

    9

    10

    11

    12

    13

    14

    1

    15

    7

    16

    17

    18

    19

    8
    2

    4
    21

    20

    3

    1

    FM/AM antennas

    All tuner antenna connections are made here. Refer to the 'Antenna
    Connections' section of this manual for more information.
    2

    RS232C
    USB interface

    A USB B type socket is fitted to the 751R V2 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.
    Note: Always use a high quality USB connection cable certified as USB
    Hi-Speed. USB cable connections longer than 3m may result in inconsistent
    audio performance.
    Always turn the Volume to minimum, or turn the 751R
    V2 off before plugging/unplugging cables to the USB
    input or whilst booting up/shutting down your PC/Mac.
    See later section for full details on USB audio.

    Opto inputs/outputs

    Toslink digital inputs for Video 1, Rec 1, BD/DVD and CD sources and also
    two Toslink digital outputs for Rec 1 and 2.
    5

    Used for control of the 751R V2 in custom install situations. A full protocol is
    available for the 751R V2 on our website.
    3

    4

    A/B HDMI outputs

    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).
    When both outputs are selected both show the same content.
    HDMI A also supports a HDMI 1.4 Audio Return Channel from TVs that also
    support this feature.
    This allows audio from the TVs own built-in tuner to be received by the 751R
    V2. See later TV-ARC section for details.
    6

    HDMI inputs

    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.
    Note: All HDMI rear connections (A/B HDMI outputs and the HDMI inputs) are
    4K compatible. See later section of the manual.

    6



  • Page 7

    7

    751R V2
    ENGLISH

    azur
    Video 1/2, Recorder 1/2, BD/DVD, CD and Aux

    Please refer to the connection diagrams later in this manual for more
    information on these inputs and outputs.
    8

    Heat tunnel vent grille

    Allows cooling of internal circuitry via the 751R V2's proprietary X-TRACT heat
    tunnel. DO NOT OBSTRUCT!
    9

    Service (USB)

    For dealer use only – Used for future firmware update.
    10

    Front IR switch

    Turns the unit's 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 751R V2 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

    12V triggers for controlling external amplifiers, curtains, motorised screens
    or other such equipment. See later section.
    17

    Main zone IR emitter in

    Allows modulated IR commands from multi-room systems or IR repeater
    systems to be received by the 751R V2.
    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 8 ohms. 7.1, 5.1 or less
    connections can be made.

    7



  • Page 8

    Main remote control
    The 751R V2 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.

    Backlight button
    Press to turn the backlight on and illuminate the remote
    control buttons. Press and hold for a few seconds (all
    buttons will initiate a rapid flashing) to enable backlight
    function by pressing any buttons on the remote. Press and
    hold again to disable function and revert to default.

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

    HDMI preview
    Press to see the previews of different HDMI sources
    and Vol buttons to
    connected to the unit. Use Vol
    navigate. See later section of the manual.

    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).

    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.

    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.

    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.

    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.

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

    Source button
    Press to cycle through different sources.

    8

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

    Enter
    Used 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.

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

    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 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
    buttons to adjust the delay time. Adjusting the
    and Vol
    value to zero causes lip sync delay to be turned off. See
    later section in this manual.

    Info
    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.

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

    Tuner AM/FM, BD/DVD, Video 1, Video 2,
    Rec 1, Aux/TV, CD, Rec 2, Vid 3/MP3, USB,
    Exp.
    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).
    Note: Expansion (Exp) button is only used with older AV
    receiver.
    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.

    7.1 direct
    Selects the 5.1/7.1 direct input.

    &

    Trigger A/B

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



  • Page 9

    azur

    751R V2
    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.

    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 is analogue by nature and
    only sources with audio/video
    connections (as well as digital ones)
    can be used in Zone 2.

    Tuner
    AM/FM

    Follow
    Main

    Exp

    BD
    DVD

    Video 1

    Video 2

    Rec 1

    Aux

    CD

    Vid 3
    MP3

    Rec 2

    Zone 2 Remote

    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.
    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.
    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.

    9



  • Page 10

    Front panel display
    1

    2

    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

    Output channel indicators

    Z2
    Indicates Zone 2 is active (on).

    Room EQ
    Indicates Audyssey 2QE® is enabled.

     ecoding mode indicators (PCM, Dolby Digital, DTS
    D
    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 751R V2 is in a Direct mode - Analogue Stereo Direct or
    7.1 Direct.
    3

    TUNED

    Z2

    Shows the currently active channels depending on decoding mode and
    source material. Icons lit indicate channels being output by the 751R V2.

    2

    AUTO
    FM STEREO
    HDMI
    USB ANALOG DIGITAL
    MUTING

    RH

    LH

    1

    4

    3

    Loudspeaker connections
    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 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.

    Main information display

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

    Mode icons
    HDMI
    4

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

    Display examples
    Centre speaker

    Phono/RCA cable

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

    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

    10

    Front
    speakers

    Surround back
    speakers



  • Page 11

    azur

    751R V2
    ENGLISH

    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.
    CD player

    Out

    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 751R V2:

    Either type can be used for a source as the 751R V2 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

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

    Out

    2

    OR

    1
    2

    2

    OR

    1

    CD player

    Out

    OR

    OR

    1

    2

    2

    1

    In

    iD100 Digital iPod Dock

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

    11



  • Page 12

    HDMI input connections

    4K video resolution

    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).

    The 751R V2 supports 4K (3840 x 2160 pixels) video resolution through
    the rear HDMI (inputs and outputs) connections. 4K has twice the horizontal
    and vertical resolution of the 1080p HDTV format, with four times as many
    pixels overall. Use a High Speed HDMI cable when connecting 4K devices.
    Note: Front HDMI connection does not support 4K video format.

    4K
    (3840 x 2160)

    Blu-ray player with HDMI output

    1080p
    (1920 × 1080)

    HDMI
    cable

    HDMI cable

    Set-top box with HDMI output

    Video output connection (HDMI A & B)
    Connection to the TV is by HDMI. The 751R V2 converts incoming analogue
    video to HDMI and scales it for best picture quality. See later section.
    Two outputs are fitted that can be used individually or at the same time (for
    a TV and projector perhaps).

    Note: Both outputs always show the same video and are also 4K compatible.
    See the HDMI/Component Assign menu below on how to select the active
    HDMI output in the On Screen Display menus.

    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

    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 751R
    V2. See later TV-ARC section for details.

    12

    TV 2



  • Page 13

    azur

    751R V2

    Three types of analogue video connections can be made to the 751R V2:
    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 (3RCA3RCA)

    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 751R V2 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.
    BD/DVD player

    Video player

    Games console

    5.1/7.1 direct in
    DVD-A or SACD players can be connected to the 751R V2 via its 5.1/7.1
    Direct inputs allowing multi-channel music playback from these sources.

    You can also assign the same HDMI input to 7.1 Direct so that the picture
    is not lost.

    DVD-A and SACD both support 5.1 output. The 751R V2'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.

    These connections are pure analogue for best sound quality and no DSP
    processing or Bass and Treble adjustment by the 751R V2 is possible.

    To select the Direct Input press the 7.1 Direct button on the front panel or
    remote.

    DVD-A player or SACD multi-channel player 5.1 connections

    It can be desirable to connect DVD-A/SACD players to the 751R V2 by two
    methods at the same time.

    Centre

    If 7.1 Direct is then pressed, the audio is now switched to come from the
    players analogue outputs.

    Subwoofer

    Surround Left
    Left
    Right

    If the player is selected via the BD/DVD button you can then view its content
    and decode any relevant surround sound soundtracks.

    Surround Right

    A Digital or HDMI input can be made to the 751R V2 for surround sound
    decoding and an analogue 5.1 connection to 7.1 Direct for DVD-A/SACD
    playback.

    Phono cables
    (2RCA-2RCA)

    13

    ENGLISH

    Analogue video input connections



  • Page 14

    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.

    azur 751R

    Volume

    AV Receiver

    Power amplifier/s

    Examples

    :

    Normal

    TV ARC(HDMIA)

    :

    Enable

    Return I/O

    Standby / On

    Subwoofer
    Phones



    Tuning

    +

    Mode / Store

    BD / DVD

    Video 1

    Video 2

    Recorder 1

    Aux / TV

    CD

    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

    USB

    Stereo
    Modes

    Recorder 2

    Video 3 / MP3

    Surround
    Modes

    Pic.
    Adj.

    7.1 Direct

    HDMI

    Analog
    Stereo Direct

    L

    Audio R

    Mute /
    Info

    Video

    S-Video

    Optical

    MP3 In

    Zone
    2

    MP3
    Player

    HDMI cable

    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 751R V2 features an External 2-Channel mode. This
    allows the 751R V2 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).

    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 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. This front HDMI is not 4K compatible. See later section for details.

    Examples

    L

    C

    Aerial connections

    R

    FM aerial
    Amplifier

    L

    Sub
    R
    751R V2

    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 75ohm 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
    OR

    SR

    SL
    SBR

    FM external
    aerial

    SBL

    Set the 'Multi Ch.Out' to 'Ext 2ch' in the OSD to mute the 751R V2's own front
    left and right amplifier outputs only:
    Advanced Audio Setup
    :

    Ext 2ch

    HDMI Bypass

    :

    Normal

    OR

    Enable

    AM loop
    aerial

    TV ARC(HDMIA)

    :

    Return I/O

    14

    AM external
    aerial

    Multi Ch.Out

    Ground
    (optional)

    Examples



  • Page 15

    azur

    751R V2

    Background information

    The full setup of the 751R V2 is a reasonably simple 3 stage process. The
    Speaker Setup stage can either be performed manually or via the Audyssey
    Auto Setup procedure.

    1 Front left and right speakers
    For stereo and multi-channel sound.

    Stage 1: Speaker setup (Speaker delay, Crossovers and Level calibration, via
    Audyssey or manually)

    2 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.

    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 751R V2 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
    1

    2
    1

    4

    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 751R V2 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 751R V2 will then automatically re-direct the bass
    from the Subwoofer/Low Frequency Effect channel to the Left and Right
    Front Speakers.

    3
    3

    5.1 + Height

    3

    2
    6

    6

    1

    Performing the setup
    Note: This setup is important as the 751R V2 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

    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

    1

    Vol

    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 button.
    Then go to 'Speaker Configuration' and select it by pressing the Enter button.

    2
    1

    4

    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:
    Speaker Config Menu

    3

    5

    Vol

    Enter

    Quit I/O

    3

    7.1

    ENGLISH

    751R V2 setup

    3

    5

    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]
    Return I/O

    15



  • Page 16

    Performing the setup cont.
    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
    Bi-amping 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 delay
    Because the speakers in a surround sound system are usually different
    distances from the listener the 751R V2 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:

    Manually setting speaker size

    10

    Select the Speaker Config menu.

    1

    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]

    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

    2

    8
    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).

    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 751R V2 thus introduces approx 3mS of delay per metre of
    distance set.

    Small = Speakers with a less extended low frequency response of
    approximately 80-100Hz to 16-20kHz (small stand-mounted, bookshelf or
    satellite speakers).

    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):

    Setting each speaker allows the 751R V2 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 751R V2 to re-direct the bass
    information in this channel to other speakers.

    Speaker Distance
    Unit
    Front L
    Front R
    Centre
    Surr. L
    Surr. R
    Surr. LB
    Surr. RB
    Subwoofer

    :
    :
    :
    :
    :
    :
    :
    :
    :

    Note: The 751R V2 will force some speakers to certain settings in the
    following circumstances!
    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).

    16

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

    Press the OSD button to exit the menu.



  • Page 17

    azur

    751R V2

    The 751R V2 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 751R V2 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 751R V2 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

    On the 751R V2 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 751R V2 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.

    Return I/O

    17

    ENGLISH

    Manually setting level calibration



  • Page 18

    2

    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. azur 751R
    Volume

    AV Receiver

    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 1

    Aux / TV

    CD

    es

    Surround
    Modes

    Recorder 2

    Video 3 / MP3

    Pic.
    Adj.

    7.1 Direct

    HDMI

    Analog
    Stereo Direct

    L

    Audio R

    :
    :

    [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 751R V2 goes to the + terminal
    of that speaker and similarly the – terminal of the 751R V2 goes to the –
    terminal of the speaker for that channel.

    MP3 In

    Zone
    2

    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.

    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.

    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.

    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

    Percent:

    Return I/O

    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

    :
    :

    50%

    Again a series of test signals will now be output from all of the connected
    speaker terminals and Subwoofer. The 751R V2 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.

    [Enter]
    I/O

    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
    751R V2 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

    A series of test signals will now be output from all of the connected speaker
    terminals of the 751R V2 (including the Subwoofer output).

    18

    2

    1

    3



  • Page 19

    When the auto setup of the 751R V2 is completed successfully, the 751R
    V2 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.
    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.

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

    To exit the auto setup menu of the 751R V2 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.
    Notes:
    – 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.
    – Active subwoofers with DSP have a small delay time built into their
    electronics. Because the 751R V2 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).
    Select 'Advanced Setup' from the main OSD menu. Then select 'Advanced
    Audyssey':
    Advanced Setup Menus
    Advanced Audio
    Input Name Assign
    Advanced Dolby/DTS
    Advanced Audyssey
    Trigger A
    Trigger B
    OSD Setup/SW Version

    Return I/O

    751R V2

    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.
    Audyssey Dynamic EQ is referenced to this standard film level and makes
    adjustments to maintain the reference response and surround envelopment
    relative to it.
    However, the film reference level is not always used in music or other nonfilm content.
    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.
    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.
    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.
    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.
    Off: The full dynamic range is left untouched.

    19

    ENGLISH

    azur



  • Page 20

    Assigning video inputs

    Source setup

    The 751R V2 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 751R V2 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 751R V2 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.
    Ensure any such settings are disabled to allow our 751R V2 access to all the
    latest formats. For all the above reasons HDMI is the preferred connection
    method for both Audio and Video.
    The 751R V2 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.

    • The type of audio connection you want to use for that source (Analogue,
    Digital or HDMI).
    • The processing mode for that source.
    The 751R V2 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
    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 751R V2 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
    USB
    VIDEO 3

    :
    :
    :
    :
    :
    :
    :
    :
    :

    HDMI 1
    HDMI 2
    HDMI 3
    HDMI 4
    N/A
    N/A
    N/A
    N/A
    HDMI
    Return I/O

    Note: Assigning a HDMI input to a source automatically selects Bypassing
    as it is not possible to scale a HDMI source.

    20

    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 751R V2. 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 751R V2 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.



  • Page 21

    azur

    751R V2

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

    :
    :
    :
    :

    1080P
    60Hz
    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:
    Scaler Assign
    BD/DVD
    VIDEO 1
    VIDEO 2
    VIDEO 3
    Recorder 1
    Aux
    CD
    7.1 Direct

    :
    :
    :
    :
    :
    :
    :
    :

    Bypass
    Bypass
    Bypass
    Bypass
    Bypass
    N/A
    N/A
    N/A

    Return I/O

    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 751R V2 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 751R V2 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).
    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.

    The 751R V2 supports several music and home-cinema listening modes. The
    output the 751R V2 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 751R V2, below is a brief guide to the Surround
    Sound formats that the 751R V2 is compatible with for reference:
    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 751R V2 for internal decoding
    (recommended) or can be decoded by some Blu-ray players internally
    and sent to the 751R V2 as multi-channel PCM. In both cases an HDMI
    connection is required to the 751R V2 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 751R V2) 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 751R V2 is however fully
    compatible with Dolby Digital Plus.
    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 751R V2) 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. DTSHD 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 751R V2) 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 751R V2.
    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 751R V2.

    21

    ENGLISH

    Surround sound modes



  • Page 22

    Surround sound modes cont.

    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 751R V2 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 751R V2 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 751R V2 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.

    22

    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.
    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 751R V2 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 751R V2 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
    751R V2.

    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 751R V2 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 751R V2 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 751R V2. 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 751R V2 is able to receive them in Multi-Channel PCM mode.

    Multi channel stereo
    For Stereo inputs the 751R V2 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.



  • Page 23

    azur

    751R V2

    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
    24-bit/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 V2 is both USB 2.0 (Hi-Speed) and USB 1.1 (Full-speed) USB port
    compatible.
    The 751R V2 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 V2 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.
    Advanced Audio Setup
    Multi Ch.Out

    :

    Normal

    HDMI Bypass

    :

    Normal

    USB Audio Profile :

    1.0

    TV ARC(HDMIA)

    :

    Enable

    Auto Power Down

    :

    Enable

    Return I/O

    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.
    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.
    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.

    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.

    23

    ENGLISH

    USB audio



  • Page 24

    Operating instructions
    To activate the 751R V2, 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.

    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.

    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 751R V2 the type of
    encoding used in the source material. Thus you must manually select these
    modes.
    Pressing the Surround Modes button when the 751R V2 has locked to a
    DD/DTS bitstream will present more options where possible including PostProcessed modes.
    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.
    Note: The 751R V2 stores the input type for each source so that it is
    automatically recalled when that source is selected again.

    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 751R V2 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 751R V2 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 751R V2 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.

    24

    (1/0)

    – Mono, Centre channel only

    (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)



  • Page 25

    751R V2
    ENGLISH

    azur
    Decode modes - 5.1 speaker setup

    Incoming
    Native
    Modes available
    audio channel
    format resolution

    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)
    2"
    Dolby Digital (2/0) + Dolby Pro Logic II Movie >5.1
    Dolby Digital (2/0) + Dolby Pro Logic II Music >5.1

    Dolby Digital (2/0) + Dolby Pro Logic II Game >5.1

    Dolby Digital (2/0) + Neo:6 Cinema
    >5.1

    Dolby Digital (2/0) + Neo:6 Music
    >5.1

    Dolby Digital (2/0) + DSP Movie
    >5.1

    Dolby Digital (2/0) + DSP Music
    >5.1

    Dolby Digital (2/0) + Multi channel stereo
    >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)

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

    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
    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.

    25



  • Page 26

    Operating instructions continued
    Decode modes - 5.1 + Height speaker setup

    Incoming
    Native
    Modes available
    audio channel
    format resolution

    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

    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<

    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
    5.1 &
    Dolby True HD (3/2).1 + Dolby Pro Logic IIz Height >5.1 + H<

    Dolby True HD
    7.1 $


    Dolby True HD (3/4).1
    5.1< &
    Dolby True HD (3/4).1 + Dolby Pro Logic IIz Height >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

    Dolby Digital/DTS

    5.1 + H

    5.1 + H (7.1)

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

    26



  • Page 27

    751R V2
    ENGLISH

    azur
    Decode modes - 7.1 speaker setup

    Incoming
    Native
    Modes available
    audio channel
    format resolution

    Output
    channels

    PCM 2 PCM
    PCM
    + Dolby Pro Logic IIx Movie
    When the source has been
    PCM
    + Dolby Pro Logic IIx Music
    appropriately encoded Dolby Pro
    Logic II gives 5 channel Neo:6 6
    PCM + Dolby Pro Logic IIx Game
    channel and Dolby Pro Logic IIx 7
    PCM + Neo:6 Cinema
    channel matrix encoding
    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

    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
    Multi Channel PCM

    7.1 $

    Multi PCM 3/4.1

    >7.1­­­­
    5.1
    >7.1
    >7.1
    >7.1
    >7.1
    5.1
    >7.1
    >7.1
    7.1

    27



  • Page 28

    Operating instructions continued
    Decode modes - 7.1 speaker setup

    Incoming
    Native
    Modes available
    audio channel
    format resolution

    Output
    channels

    Dolby Digital Plus
    5.1 $
    Dolby Digital Plus (3/2).1 Upmix
    >7.1 #
    Dolby Digital Plus (3/2).1
    5.1
    Dolby Digital Plus (3/2).1 + Dolby Pro Logic IIx Movie >7.1
    Dolby Digital Plus (3/2).1 + Dolby Pro Logic IIx Music >7.1
    Dolby Digital Plus

    7.1 $

    Dolby Digital Plus (3/4).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
    >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
    >7.1 #


    DTS-HD HR (3/2).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.

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

    >7.1 Indicates a 7.1 output created by a 2.0 or 5.1 decode, post-processed to
    7.1.

    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 + Sub

    % 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.
    & Lossless encoded format.

    28

    Output channels

    Stereo 2
    2.1

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

    Pressing a mode button will first cause the 751R V2 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.



  • Page 29

    azur
    Audio Return Channel

    The 751R V2 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
    751R V2's HDMI A output socket.
    This function allows the 751R V2 to play back the audio from a TVs built-in
    terrestrial cable or satellite tuner whilst you watch it's picture.
    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.

    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

    Auto Power Down

    :

    Enable

    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.

    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 751R V2 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
    751R V2 (as long as TV-ARC has been enabled in the 751R V2's 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 751R V2 will then send commands to the TV over
    HDMI to try to start an ARC session.

    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.
    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.

    To finish ARC simply disengage it on your TV or press a different source
    button on the 751R V2.

    Picture adjustment
    For sources that have had the Scaler set to Process the 751R V2 can provide
    some picture adjustments.

    RT (Radiotext) – Radiotext messages will be shown, if available.

    These adjustments are remembered source by source.

    Lip sync

    Pressing a source for which the scaler is in Bypass will do nothing.

    The 751R V2 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.

    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:

    This can sometimes happen if the video is slightly delayed by a player or TV
    performing a lot of video processing.
    Pressing the Lip Sync button on the remote will bring up the
    current Lip Sync value on the 751R V2's main display and allow
    adjustments in 10mS (10 thousandths of a second) increments.

    Contrast:

    +41

    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.

    29

    ENGLISH

    Using the tuner

    751R V2



  • Page 30

    and Vol
    buttons to make
    You can use the Volume knob or the Vol
    changes to the picture or press the Pic.Adj. button again to move to the next
    item.
    Adjustments are available for Brightness, Contrast, Saturation, Sharpness
    and Y/C Delay.
    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).
    If the front panel (not remote) button is pressed and held for approx. 10
    seconds the 751R V2 will show the current scaler output resolution on the
    751R V2'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).
    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 can be useful if the scaler output is accidentally set to a
    resolution your TV does not support and picture is lost.
    By pressing and holding the Pic.Adj. button, you can cause the 751R V2 to
    scroll through all resolutions automatically. Simply let go of the button when
    a visible video image at a suitable resolution appears.

    Note: The 751R V2 also shows the active HDMI outputs on the front panel
    display of the unit itself whenever the OSD is on.
    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.

    HDMI bypass
    The 751R V2 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 751R V2
    HDMI 1.4 chipset cannot support.
    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.
    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 751R
    V2 do the decoding.
    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 ◄ ► buttons to switch between Normal (HDMI reception) and
    Bypass modes.

    Audio split mode
    In some circumstances the 751R V2 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.
    To perform Audio Split:

    Advanced Audio Setup
    Multi Ch.Out

    :

    HDMI Bypass

    :

    Normal
    Bypass

    TV ARC(HDMIA)

    :

    Disable

    Auto Power Down

    :

    Enable

    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 751R V2 feature two trigger outputs that can be used to signal to
    external devices for simple automation functions.

    1

    2

    The 751R V2 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 751R V2 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.
    HDMI/Component Assign
    HDMI 1
    HDMI 2
    HDMI 3
    HDMI 4
    HDMI 5
    Component 1
    Component 2
    Component 3

    :
    BD/DVD
    :
    VIDEO 1
    :
    VIDEO 2
    : Recorder 1
    :
    AUX
    :
    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.
    30

    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.
    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.
    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.



  • Page 31

    751R V2

    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 751R V2 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]

    Return I/O

    When selected, the 751R V2 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.

    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.
    Note: These adjustments work in all digitally processed Stereo or Surround
    modes but not in Analogue Stereo Direct or 7.1 Direct modes.
    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 751R V2 features two recorder outputs.
    Recorder 1 features analogue audio, co-axial digital audio, composite and
    S-Video 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).
    The 751R V2 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 all cases the 751R V2 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 751R
    V2 main outputs.
    Recorder 2 features analogue audio and co-axial digital audio outputs.

    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.

    Again the 751R V2 does not convert between the formats, it merely outputs
    the signals present at the corresponding inputs for the chosen source.
    However in the case of Recorder 2 the output can be different to that being
    listened to via the 751R V2 main outputs.

    31

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  • Page 32

    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.

    Record 2/Zone 2 output select
    Select the rec.2/Zone 2 Output Select menu from the main OSD menu.
    Rec.2/Zone2 Output Select

    Recorder 2

    :

    BD/DVD

    Zone 2

    :

    Off

    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
    OSD Setup/SW Version Menu
    OSD Language:

    English

    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
    Panorama
    Center Width
    Dimension

    :
    :
    :

    Off
    0
    3

    Dolby DRC

    :

    Off

    DTS HD Spkr Remap :

    1
    Return I/O

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

    Firmware: 1.08/1.12/1.04
    (MCU/HDMI/DSP)

    Source naming
    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.
    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.

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

    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

    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.

    32

    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

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

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

    ]
    ]
    ]
    ]
    ]
    ]
    ]
    ]

    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.



  • Page 33

    751R V2

    Using the 751R V2 with an IR repeater
    system

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

    If desired the 751R V2 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 751R 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 751R V2 remotely.
    Contact your dealer for details.

    Zone 2 setup and use

    Return I/O

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

    The 751R V2 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.

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

    :
    :
    :
    :

    5.1
    Large
    Large
    Large

    Digital inputs (S/PDIF/Co-ax, Toslink/Opto or HDMI) cannot be directly
    selected by Zone 2.

    Subwoofer
    SBL/R Assign

    :
    :

    Yes
    Zone 2

    However for any source simply by making a parallel analogue connection for
    audio or video to the 751R V2 alongside any digital connections allows that
    source to now be used in Zone 2 also.

    [FL R must be Large
    when Sub Off]

    Return I/O

    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.

    A menu item should be displayed called SBL/R Assign.

    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.

    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).

    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 751R V2 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 751R V2 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.

    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

    33

    ENGLISH

    azur



  • Page 34

    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

    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 751R V2 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 751R V2 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 751R V2 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 751R V2 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.

    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.

    Zone 2

    Optional
    subwoofer

    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.
    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).

    34

    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.



  • Page 35

    azur

    751R V2

    To turn off Zone 2 simple press Zone 2 followed by the Standby/Off button
    again.
    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.
    or
    preset up down buttons for the Tuner will always
    Using the
    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.
    It is also possible to control Zone 2 via the On Screen Display.

    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 751R V2 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 751R V2 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
    Center
    Left (30°)

    Right (30°)

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

    From the main OSD screen select the Rec.2/Zone 2 Output Select menu and
    then select the Zone 2 menu item.
    azur 751R 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

    Use the ◄ and ► buttons on the remote scroll to through the various
    sources available, Follow Main and Off.

    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.

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

    Configuration 2 – 7.1 channel: L, C, R, LFE, Ls, Rs, Lhs, Rhs
    Center
    Left (30°)

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

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

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

    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.
    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.

    Right (30°)

    LFE

    Center Over-Head
    Left (30°)

    Center
    Right (30°)

    LFE

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

    35

    ENGLISH

    DTS-HD speaker re-map



  • Page 36

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

    For playback the 751R V2 expects you to have an actual physical speaker
    setup approximately conforming to one of the layouts as shown below.
    Conventional 5.1

    Left Height
    Right Height

    Left (30°)

    Right (30°)

    LFE

    Center

    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

    Center

    Left Height

    Left (30°)

    Right (30°)

    LFE

    Right Height

    Left (30°)

    Right (30°)

    LFE

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

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

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

    Configuration 6 – 7.1 channel: L, C, R, LFE, Ls, Rs, Lw, Rw

    Configuration 4
    7.1
    Configuration 1

    or Configuration 5

    Center

    Left (30°)

    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°)

    Center
    Right (30°)

    LFE

    For 5.1 setups the situation is simple, the 751R V2 automatically performs
    any DTS speaker remapping required, mapping any of the 7 incoming
    possibilities to this configuration.
    For 5.1 + Height the 751R V2 also automatically performs DTS speaker
    remapping, mapping the incoming possibilities to configuration 4.
    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 751R V2 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.
    Advanced Dolby/DTS Setup

    Left Surround (110°)
    Center Surround

    Right Surround (110°)

    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 751R V2 performs no extra
    mapping as you'd expect.

    36



  • Page 37

    751R V2

    Auto power down

    Reset/Back-up memory

    The 751R V2 feature automatic power down and will by default shut down if
    no audio playback has been detected for 30 minutes.

    The 751R V2 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.

    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.
    Advanced Audio Setup
    Multi Ch.Out

    :

    Pre Out

    HDMI Bypass

    :

    Normal

    TV ARC(HDMIA)

    :

    Enable

    Auto Power Down

    :

    Enable

    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.

    Return I/O

    HDMI preview
    The 751R V2 feature a HDMI preview that can be used to preview connected
    HDMI source devices.

    When watching a HDMI video and any other HDMI port having video input,
    you can press the HDMI Preview button on the remote control and use the
    and Vol
    buttons then press the Enter button to choose the HDMI
    Vol
    port you wish to watch. You can also use the HDMI Preview button on the
    front panel of the unit.
    Note: The greyed out boxes represent HDMI inputs with no active connections.

    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
    un-modulated commands to be received. An RS232
    port is also featured which allows the 751R V2 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:
    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.

    37

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    azur



  • Page 38

    Technical specifications
    Audio
    Power output


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


    All Channels : 170 watts rms per channel,

    8 ohms (two channels driven)


    All Channels : 120 watts rms per channel,

    8 ohms (all 7 channels driven)

    Architecture
    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


    Two TI Aureus DA788 32 bit DSPs

    THD

    <0.006% @1kHz

    Crosstalk

    <-80dB

    Frequency response

    10Hz - 20kHz ±1dB

    S/N Ratio

    >90dB 'A' weighted

    Audio input impedance /
    Sensitivity

    47kOhms / 175mV or greater

    Digital input impedance

    75 ohms (Coaxial/S/P DIF)

    Tone control
    - Bass
    - Treble

    ±10dB @ 100Hz
    ±10dB @ 10kHz

    Tuner
    - FM mode
    - AM mode

    Audio inputs 8 Line level analogue, Tuner (FM/AM),
    7.1 Analogue input, 5 Digital Co-axial, 5
    Digital optical

    87.5-108MHz
    UK/EU: 522-1620kHz CU: 530-1710kHz

    Video inputs


    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 the front panel HDMI is a 1.3c.
    All audio modes supported except reception of native Direct Stream
    Digital (DSD).
    3D-TV/deep colour pass through supported.
    ARC supported on HDMI Output 'A'.
    CEC and HEC not supported.

    Anchor Bay ABT2010 video scaler

    Additional AD SP-21261 40 bit DSP performing 24-bit/192kHz ATFTM Upsampling
    
    USB Audio 1.0:
    16-24 bit 32kHz, 44.1kHz, 48kHz,
    88.2kHz, 96kHz
    
    USB Audio 2.0:
    16-24 bit 32kHz, 44.1kHz, 48kHz,
    88.2kHz, 96kHz, 192kHz

    4 Composite, 4 S-Video,
    3 Component video

    HDMI inputs 5 HDMI (1.4a) + 1 HDMI (1.3c) on the
    front panel.

    Video
    Video levels /Impedance
    - Composite (CVBS)



    Main audio outputs


    7 Amplified speaker outputs
    7.2 Preamp outputs

    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

    Zone 2
    2.1 Preamp output
    1 Composite, 1 S-Video, 1 Component
    video output
    1 IR Emitter input



    Optionally:
    SBL/SBR can be assigned to Zone 2

    Standby power consumption <0.5W

    38

    Max power consumption

    1700W

    Dimensions - H x W x D

    150 x 430 x 420mm

    Weight

    17.4kg (38.3lbs)



  • Page 39

    azur

    751R V2

    A low hum or buzz sound can be heard

    No sound from front speakers, but rear speakers work

    Power cords or lighting placed near this product.

    Receiver is set for 'Ext 2Ch' operation.

    Analogue inputs not connected securely.

    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.

    Sound is not audible from one channel
    Speaker connections disconnected.
    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 751R V2.
    The unit is not adequately ventilated and may be overheating.

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

    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.
    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).

    Remote control is not working
    The batteries are flat.
    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.

    39

    ENGLISH

    Troubleshooting



  • 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

    © 2014 Cambridge Audio Ltd

    AP33249/3-A

    www.cambridge-audio.com






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