Sony STR-DH770 Manual page 79

Note
This function does not work when [DIRECT] is selected and an analog input is selected.
Hint
You can also set the Night Mode function on and off by using NIGHT MODE on the receiver.
While the Night Mode function is turned on, the bass, treble, and effect levels increase, and [D.
RANGE] is automatically set to [COMP. ON].
[112] Adjusting Settings Audio Settings
Synchronizing audio with video output (A/V SYNC)
You can delay the output of audio to minimize the time gap between audio output and a visual
display.
This function is useful when using a large LCD or plasma monitor or a projector. You can set
the function for each input independently.
This operation is only available using the display panel on the front of the receiver.
Press AMP MENU.
1
Select [<AUDIO>] - [A/V SYNC] on the display panel.
2
Select the setting you want.
3
SYNC ON (Delay time: 60ms): The audio output is delayed so that the time gap
between the audio output and visual display is minimized.
SYNC OFF (Delay time: 0ms): The audio output is not delayed.
Note
The receiver may play signals at a lower sampling frequency than the actual sampling frequency of
the input signals, depending on the audio format.
[113] Adjusting Settings Audio Settings
Adjusting the volume automatically (AUTO VOL)
This receiver can adjust its volume automatically depending on the input signal or content from
a connected device.
This function is useful, for example, when the sound of commercials is louder than a TV
program.
This operation is only available using the display panel on the front of the receiver.
Press AMP MENU.
1
2 Select [<AUDIO>] - [AUTO VOL] on the display panel.
Set to [A. VOL ON] or [A. VOL OFF].
3