Sony STR-ZA810ES Manual page 163

When you set [Control for HDMI] to [On], [Audio Out] may be changed automatically.
When the receiver is in standby mode, the power indicator on the front panel lights up in amber if
[Control for HDMI] is set to [On].
This function works only when [HDMI Out B Mode] is set to [Main].
[183] Adjusting Settings
Turning off the receiver and connected devices
simultaneously with the TV (System Power Off
function) (Standby Linked to TV)
You can turn off the receiver and the connected device automatically when you turn off the TV.
Select [Setup] - [HDMI Settings] from the home menu.
1
Select [Standby Linked to TV].
2
Select the setting you want.
3
Auto: When the input of the receiver is set to [BD/DVD], [GAME], [SAT/CATV], [VIDEO
1], [VIDEO 2], [TV] or [SA-CD/CD], the receiver will turn off when the TV is turned off.
On: The receiver will turn off when the TV is turned off, regardless of the input of the
receiver.
Off: The receiver does not turn off when the TV is turned off, regardless of the input of
the receiver.
Note
The connected device may not turn off depending on the status of the device.
System Power Off function may work with devices other than those manufactured by Sony, but
operation is not guaranteed.
[184] Adjusting Settings
Enjoying content of a connected device without
turning on the receiver (Standby Through)
This function allows you to enjoy the sound and image of a connected device without turning on
the receiver.
Select [Setup] - [HDMI Settings] from the home menu.
1
HDMI Settings
HDMI Settings