Samsung 400TS-3 - Manual (Page 136)

Bar
This function prevents after-images on the screen by moving long black and white vertical lines.
Eraser
This function prevents after-images on the screen by moving a rectangular pattern.
Pixel
This function prevents after-images by moving many pixels on the screen.
Side Gray
Select the brightness of the grey for the screen background.
• OFF
• Light
• Dark
Adjusting the LCD Display