Sony STR-DH770 Manual page 83

TV+AMP: The sound is output from the speaker of the TV and the speakers
connected to the receiver.
Note
Audio signals are not output from the speaker of the TV when [AUDIO OUT] is set to [AMP].
When [TV+AMP] is selected, the sound quality of the playback equipment depends on the TV's
sound quality, such as the number of channels, and the sampling frequency, etc. If the TV has
stereo speakers, the sound output from the receiver is also in stereo as that of the TV, even if you
play back multi channel source.
When you connect the receiver to a video device (projector, etc.), sound may not be output from the
receiver. In this case, select [AMP].
When you select [TV+AMP], only sound from the HDMI IN jacks is output from the speaker of the TV.
[120] Adjusting Settings HDMI Settings
Setting the level of the subwoofer (SW LEVEL)
You can set the level of the subwoofer to 0 dB or +10 dB when PCM signals are input via an
HDMI connection. The level for each input to which an HDMI input jack is assigned can be set
independently.
This operation is only available using the display panel on the front of the receiver.
1 Press AMP MENU.
Select [<HDMI>] - [SW LEVEL] on the display panel.
2
Select the setting you want.
3
SW AUTO: Automatically sets the level to 0 dB or +10 dB, depending on the audio
stream.
SW +10 dB
SW 0 dB
Note
This setting is invalid when [FM], [USB], [BT], [SA-CD/CD] or [TV] is selected.
[121] Adjusting Settings HDMI Settings
Setting HDMI signal format (SIGNAL FMT.)
You can select the signal format so that the receiver can receive high resolution 4K signals.
This operation is only available using the display panel on the front of the receiver.
Press AMP MENU.
1
Select [<HDMI>] - [SIGNAL FMT.] on the display panel.
2