Video Output For Pip/Pbp-Displayed Tv - Sony HT-A9 Help Manual

You can select the video format that can be received. If the picture and sound of the device connected to the speaker
system are not output correctly, change the [HDMI Signal Format] setting.
[Enhanced format (4K120, 8K)]: Select when both the connected TV and devices support high definition video formats
such as 4K 120p, 8K, etc.
[Enhanced format]: Select when both the connected TV and devices support high definition video formats such as 4K
60p 4:4:4, etc.
[Standard format]: Select when the connected TV and devices support standard definition video formats.
Note
Depending on the TV, the TV setting for HDMI output may be required. Refer to the operating instructions of the TV.
If the picture and sound are not output while [HDMI Signal Format] is set to [Enhanced format (4K120, 8K)], set it to [Enhanced
format] or [Standard format].
If the picture and sound are not output while [HDMI Signal Format] is set to [Enhanced format], set it to [Standard format].
For details on the video formats that can be received and the HDMI cable that can be used, see
Formats."

[Video output for PIP/PBP-displayed TV]

[On]: When the TV input is selected on the speaker system, the picture from the HDMI input is output to the TV. To use
the Picture-in-Picture (PIP)/Picture-by-Picture (PBP) display of the TV, select [On] for this setting.
[Off]: When the TV input is selected on the speaker system, the picture from the HDMI input is not output to the TV.
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"Supported HDMI Video