Hotkeys
Power
Press to turn on or turn off the monitor.
Menu / Enter
Press to activate OSD, then press Up or Down to navigate through the functions. Once the desired function is highlighted, press the Menu button to activate the submenu. In
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
Volume(Auto) / Down
When there is no OSD, press the key to activate Volume and auto function, then press Up or Down to select Volume or Auto configure function. Once the Volume icon is selected, press Menu button to activate it, and press Up or Down to change the setting, press Menu button for confirmation and exit OSD . Once the Auto icon is selected, press Menu button to do auto configure and exit OSD . If the product has no speaker
OSD Lock Function
To lock the OSD, press and hold the MENU button while the monitor is off and then press power button to turn the monitor on. To
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