Audiovox VBP4000 Owner's Manual page 23

b. Select TV TYPE using UP/DOWN, and then press RIGHT to
enter the submenu.
(Menu 17)
Select the video system on the screen using UP/DOWN, and
press ENTER to confirm the setting. Press LEFT to return.
* MULTI: The connected TV is multi system.
* NTSC: The connected TV is NTSC system.
* PAL: The connected TV is PAL system.
c. Select ANGLE MARK using UP/DOWN, and then press RIGHT
to enter the submenu. Choose if to show angle mark on the
screen using UP/DOWN and then press ENTER to confirm the
setting. Press LEFT to return.
(Menu 18)
* ON: The screen will show angle mark. (If angle option is avail
able)
* OFF: the screen won't show angle mark.
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