Bedienungsanleitung Cambridge Audio Azur 751R V2 (Seite 31 von 40) (Englisch)

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751R V2azur

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Bi-amping

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

Conguration menu that with the Decode mode set as 5.1 a Bi-amp On/Off

item appears.

Speaker Config Menu

Decode Mode :

Front L/R :

Centre :

Surr. L/R :

Subwoofer :

SBL/R Assign :

[FL R must be large

when Sub Off]

Return I/O

5.1

Large

Yes

Biamp

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 amplier

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.

Tone/Sub/LFE conguration

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 I/O

0dB

Off

0dB

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 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/

IIx/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/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 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 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.

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.

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.

Cambridge Audio Azur 751R V2 Seite 31

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