Brightness
Use the 
button to select the brightness adjustment.
Adjust with 
or 
button.
Contrast
Use the 
button to select the brightness adjustment.
Adjust with 
or 
button.
Locking/Unlocking the OSD Functions
You are able to lock the OSD functions if you do not want them to be changed.
To lock the OSD functions:
1Press the power button to turn the monitor off.
2Press the power button on and press the Menu key for 2 or 3 seconds or until you see the green LED on the power button. The factory OSD menu window will appear.
3Use the 
or 
button to select the OL option.
4Press the Select button to highlight the Locked option on the menu.
5Press the power button to turn the monitor off then turn it back on.
To unlock the OSD functions:
1Press the power button to turn the monitor off.
2Press the power button on and press the Menu key for 2 or 3 seconds or until you see the green LED on the power button. The factory OSD menu window will appear.
3Use the 
or 
button to select the OL option.
4Press the Select button to highlight the Unlocked option on the menu.
5Press the power button to turn the monitor off then turn it back on.