ViewSonic VS19390 User Manual page 74

Display
Set the Low Blue Light, Automatic Backlight, Pixel Shift, and Flicker Free settings.
Item
Low Blue Light
Automatic
Backlight
Pixel Shift
Flicker Free
Adjusts the filter that blocks high-energy blue light for a more
comfortable viewing experience.
Automatic brightness adjustment. Adjusts maximum brightness
according to ambient light levels.
Reduce the possibility of screen burn-in. This setting allows the
user to program the time between movements of the picture in
minutes.
Reduce or eliminate screen flicker, easing potential eye strain.
Description
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