When more than four displays are connected, we recommend a resolution of XGA (1024*768)
or greater to prevent any picture degradation.
The Safety Screen function is used to prevent afterimages that may appear when a still
picture is displayed on the screen over a long time.
This function is not available when the power is turned off.
To prevent after-images on the screen, you can use this function to have pixels move on the
LCD in the horizontal or vertical direction.
Sets how many pixels the screen moves horizontally.
Five adjustment levels: 0, 1, 2, 3, and 4.
Adjusting the LCD Display