Hotkeys
Menu / Enter
Source (4:3 or wide) / Up
Volume / Auto / Down
Power
Power
Press to turn on or turn off the monitor.
Source (4 : 3 or wide) / Up
Press 
key to change the screen aspect ratio between standard 4：3format or Wide format. When the input resolution is wide format, the aspect ratio hotkey is disabled. When the main menu or 
key functions as to select up or increase value.
Source hot key :
When the OSD is closed, press 
button will be Source hot key function (Only for the models with dual or more inputs) .Press Source button continuously to select the input source showed in the message bar , press Menu/Enter button to change to the source selected.
Auto / Down
Auto configure hot key: When the OSD is closed, press Auto button to do auto configure.
Volume
18