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751R V2azur
31
ENGLISH
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
Large
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
On
0dB
0dB
0dB
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.
31


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