Panasonic TC-65FX800X Instruction Manual page 138

Zoom adjustments
Adjusts vertical position and size when FORMAT setting is set to
ZOOM.
JUST:
V-size max is 3
ZOOM:
V-size max is 15
Gray-out if input signal is 4K.
●
Screen display
(On / Off)
Turns the screen off when you select.
The sound is active even if the screen turns off.
●
Press any buttons to turn the screen on.
●
This feature is effective in reducing power consumption when listening to
●
the sounds without watching the TV screen.
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JUST or