Dell UltraSharp 42.51" 4K Monitor - Manual (Page 49)

Operating the monitor | 49
Using the main menu
Icon Menu and
Submenus
Description
Brightness/
Contrast Activates Brightness/Contrast adjustment.
Display
PIP/PBP
Input Source
Color
USB
Brightness/Contrast
Exit
UltraSharp 43 Monitor
Menu
Audio
Personalize
Others
75% 75%
Brightness Adjusts the luminance of the backlight (Range: 0 - 100).
Move the joystick
Up to increase brightness.
Move the joystick Down to decrease brightness.
Contrast Adjust the Brightness first, and then adjust Contrast only
if further adjustment is necessary.
Move the joystick
Up to increase contrast and move the
joystick Down to decrease contrast (Range: 0 - 100).
The Contrast function adjusts the degree of difference
between darkness and lightness on the monitor screen.