Brightness/Contrast; Video Mode - Dell 4220 User Manual

BRIGHTNESS/CONTRAST

The Brightness/Contrast menu allows you adjust the brightness/contrast settings
of your projector.
B —Use
RIGHTNESS
C —Use
ONTRAST
NOTE:
If you adjust the settings for Brightness and Contrast the projector
automatically switch to Custom mode.

VIDEO MODE

The Video Mode menu allows you to optimize the display image: Presentation,
Bright, Movie, sRGB (provides more accurate color representation), and Custom
(set your preferred settings).
40 Using Your Projector
and to adjust the brightness of the image.
and to adjust the display contrast.
http://www.pureglare.com.au