Sony HT-ST9 User Manual page 26

 [HDMI Settings]
[Control for HDMI]
[On]: Turns on the [Control for HDMI] function. You can operate
mutually between device that are connected with an HDMI cable.
[Off]: Off
[Audio Return Channel]
This function is available when you connect the system to a TV's
HDMI IN jack that is compatible with the Audio Return Channel
function and [Control for HDMI] is set to [On].
[Auto]: The system can receive the digital audio signal of the TV
automatically via an HDMI cable.
[Off]: Off
[Standby Through]
You can output HDMI signals to the TV even when the system is in
standby mode. This function is available when you set [Control for
HDMI] to [On].
[Auto]: Outputs signals from the HDMI OUT (ARC) jack when the TV
is turned on while the system is in the standby mode. This setting
saves power in the standby mode compared to the [On] setting.
[On]: Always output signals from the HDMI OUT (ARC) jack when the
system is in standby mode. If you connect a TV other than "BRAVIA,"
we recommend you to select this setting.
[Off]: No signals are output when system in standby mode. This
setting saves power in the standby mode compared to the [On]
setting.
[HDMI1 Audio Input Mode] (Europe models only)
You can select the audio input of the device that is connected to the
HDMI IN 1 jack.
[HDMI1]: The sound of the device that is connected to the HDMI IN 1
jack is input from the HDMI IN 1 jack.
[TV]: The sound of the device that is connected to the HDMI IN 1 jack
is input from the DIGITAL IN (TV) jack.
 [Quick Start/Network Standby]
[On]: Shortens the startup time from standby mode. You can operate
the system quickly after turning it on.
[Off]: Off
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 [Auto Standby]
[On]: Turns on the [Auto Standby] function. When you do not
operate the system for about 20 minutes, the system enters standby
mode automatically.
[Off]: Off
 [Auto Display]
[On]: Automatically displays information on the TV screen when
changing the audio signals, picture mode, etc.
[Off]: Displays information only when you press DISPLAY.
 [Software Update Notification]
[On]: Sets the system to inform you of latest software version
information (page 22).
[Off]: Off
 [Auto Update Settings]
[Auto Update]
[On]: Software update is automatically executed between 2 a.m. and
5 a.m. local time in the selected [Time Zone] while this system is not
in use. If you select [Off] in [Quick Start/Network Standby], software
update is performed after you turn off the system.
[Off]: Off
[Time Zone]
Select your country/region.
Note
Software update may be performed even if you select [Off] in [Auto
Update] depending on the details of the updates.
 [Device Name]
You can change the name of this system according to your
preference so that it is more recognizable when using the [Bluetooth
Audio] or [Screen mirroring] function. The name is also used with
other networks, such as the home network. Follow on-screen
instructions and use the software keyboard to enter the name.