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Power
Press to turn on or turn off the monitor.
4:3 or wide / Up
Press
key to change the screen aspect ratio between standard 4：3format or Wide format. When the input resolution
wide format, the aspect ratio hotkey is disabled. When the main menu or sub-menu is active, the
key functions as to select up or
increase value.
Auto / Down
A
uto configure hot key: When the OSD is closed, press Auto button to do auto configure.
OSD SETTING