Hotkeys 
 
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 4:3 format or Wide format.    When the input 
resolution is 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.   
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. 
 
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 sub-menu, Press Up or Down to navigate through 
the functions. Once the desired function is highlighted, press Up or Down button to change the setting. Select Exit 
icon then press Menu button to return to superior menu.  
  
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 built-in, to press the 
Down key is to do auto configure directly. When it is DVI or HDMI input, auto configure function is disabled and the 
auto icon is gray.