Dell P2418HTE User Manual page 34

Icon Menu and
Submenus
Brightness/
Contrast
Brightness
Contrast
34 | Operating the Monitor
Description
Use this menu to activate Brightness/Contrast adjustment.
Brightness adjusts the luminance of the backlight
(minimum 0; maximum 100).
Press the button to increase brightness.
Press the button to decrease brightness.
NOTE: Manual adjustment of Brightness is disabled when
Dynamic Contrast is switched on.
Adjust the Brightness first, and then adjust Contrast only if
further adjustment is necessary.
Press the button to increase contrast and press the
button to decrease contrast (between 0 and 100).
Contrast adjusts the difference between darkness and
lightness on the monitor.