Samsung SyncMaster 320TSn-3 User Manual page 115

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
Mode
You can change the Safety Screen Type.
• Bar
• Eraser
• Pixel
Period
Use this function to set the execution period for each mode set in the timer.
Time
Within the set period of time specify a time for execution.
Adjusting the LCD Display