Samsung SyncMaster 400FX User Manual page 164

Sets how many pixels the screen moves vertically.
Five adjustment levels: 0, 1, 2, 3, and 4.
Time
MENU →
Set the time interval for performing the horizontal or vertical movement, respectively.
Timer
Timer
MENU →
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.
1. Off
2. On
Mode
MENU →
Adjusting the LCD Display
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