Horizontal Dot; Vertical Line - Samsung SyncMaster 520DX User Manual

1.
Off
2.
On

Horizontal Dot

Sets how many pixels the screen moves horizontally.
Five adjustment levels: 0, 1, 2, 3, and 4.

Vertical Line

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
Adjusting the LCD Display