Bedienungsanleitung Cambridge Audio Azur 351R (Seite 19 von 22) (Englisch)

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351Razur

ENGLISH

Advanced setup

For most users the basic three stage setup process should be sufcient for

normal use. However, the 351R also features many more advanced settings

for users who wish to further customise the settings and operation to

personal preference.

Sub crossovers and bass management

As covered in the '351R Setup' section the 351R 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.

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.

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 Dolby Pro Logic

II and Neo:6) do not actually have a LFE channel.

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 Conguration 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 oorstanding 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.

azur 351R

Audio In. Select

Tone/Sub Config.

Speaker Config.

Speaker Distance

Speaker Level

Speaker Xover

Auto Setup

Dolby/DTS Setup

OSD Setup

Front L/R

Center

Surr. L/R

Quit : [I/O] Enter : [ENTER]

80Hz <>

Tone/Sub conguration

Select the 'Tone/Sub Cong.' menu:

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

response can be adjusted +/-10dB @ 10kHz (shelving). The "Tone" icon will

light up on the display if these controls are adjusted away from 0dB (at). The

subwoofer crossover point can also be adjusted from 40 to 150Hz in 10Hz

steps and also to 200Hz.

The 351R incorporates a couple of advanced Bass Management features.

The overall Sub Level for DD/DTS modes, Dolby Pro Logic II/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

+/-5dB in the OSD. The second feature is that the way Bass Management is

applied can be changed.

In normal operation (Bass Augment Off) if the Front speakers are set to 'Small'

(in the 'Speaker Cong' menu) their bass is re-directed by high-pass ltering

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 ltering 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 ltering 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.

Bass Augment can be On or Off separately for DD/DTS or Dolby Pro Logic II/

Neo:6 operation.

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

unltered.

Bass Augment can be a useful function with Dolby Pro Logic II 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 ltering 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 mode.

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 and Treble adjustments can also be made from the remote handset

without entering the OSD by pressing the Bass/Treble button on the remote

and then using the volume up and down buttons.

azur 351R

Audio In. Select

Tone/Sub Config.

Speaker Config.

Speaker Distance

Speaker Level

Speaker Xover

Auto Setup

Dolby/DTS Setup

OSD Setup

Bass

Treble

LFE Trim

DD/DTS Sub Trim

DD/DTS Bass Aug.

PLII Sub Trim

PLII Bass Aug

Stereo+Sub Trim

Quit : [I/O] Enter : [ENTER]

0dB <>

Off <>

0dB <>

Off <>

0dB <>

Cambridge Audio Azur 351R Seite 19

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