Dell U2422H 23.8" 16:9 IPS Monitor - Manual (Page 59)

Operating the Monitor
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59
OSD Menu Details
Icon Menu and
Submenus
Description
Brightness/
Contrast
Activates Brightness/Contrast adjustment.
Brightness Adjusts the luminance of the backlight.
Toggle the Joystick up to increase the brightness and
toggle the Joystick down to decrease the brightness
(Range: 0 - 100).
Contrast Adjusts the Brightness first, and then adjust the
Contrast only if further adjustment is necessary.
Toggle the Joystick up to increase the contrast and
toggle the Joystick down to decrease the contrast
(Range: 0 - 100).
The Contrast function adjusts the degree of
difference between darkness and lightness on the
monitor screen.