Samsung SyncMaster UD55A User Manual page 125

Vertical
Sets how many pixels the screen moves vertically.
Five adjustment levels: 0, 1, 2, 3, and 4.
Time
Set the time interval for performing the horizontal or vertical movement, respectively.
Timer
Timer
You can set the timer for Screen Burn Protection.
If you start the operation to erase any residual image, the operation will be performed for the set period
of time and then automatically finish.
• Off
• On
Adjusting the LCD Display