Samsung DE40A - Pixel; Side Gray

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System
8
8 System
 Mode: You can change the Safety Screen Type.
 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.
8.8.3 Pixel
This function prevents after-images by moving many pixels on the screen.
8.8.4 Side Gray
Select the brightness of the grey for the screen background.
 Off / Light / Dark