Asus NOVA (P20/P22) - Manual (Page 17)

ASUS NOVA P20/P22 17
Mute: Press to disable audio output.
Four-way navigation keys: Press to scroll through on-screen
display menus.
Return: Press to return to the previous page.
Previous track: Press to go back to the previous track.
Rewind: Press to rewind a media file.
Record: Press to start recording TV.*
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*The system does not come with built-in TV tuner. To use the TV
function, purchase a TV docking or an external TV box first.