Onkyo TX-NR6100 Instruction Manual page 92

Playback
Setting the video source to be displayed on TV beforehand:
When playing
the audio of "TUNER", "NET" and "BLUETOOTH", you can set the input selector
to be displayed on TV beforehand using "Video Select" ( →p119) on the Setup
Menu. If a value other than "Last" is set, step 2 in the operation procedure is not
required.
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