L72S
17" TFT LCD Color Monitor
1.Push the MENU button to call the OSD to the screen. The resolution and frequency are displayed at the top of the menu box for your information.
2.Push the 
or 
button to choose the item you want to adjust. The selected item is highlighted.
3.Push the SELECT button to adjust the highlighted item.
4.Use the 
or 
button to adjust the selection.
5.Push the MENU button to return to the previous menu if you are in a submenu.
6.The display unit automatically saves the new settings in 1 second after your last adjustments and the menu disappears. You can also push the MENU button to make the menu disappear.
AUTO ADJUST
At first display a full screen such as Window's back ground. Push the button SELECT(AUTO) to adjust the shape of screen automatically.
VOLUME
Use the button 
to select the volume adjustment.
Adjust with 
or 
button.
AUDIO
Push the button 
to choose audio on or off.