Dell Alienware AW2518H User Manual page 35

Brightness/ Use this menu to activate Brightness/Contrast adjustment.
Contrast
Brightness Brightness adjusts the luminance of the backlight.
Press the
Contrast Adjust the Brightness first, and then adjust the Contrast only
if further adjustment is necessary.
Press the
button to decrease the contrast (min. 0 / max. 100).
The Contrast function adjusts the degree of difference
between darkness and lightness on the monitor screen.
button to increase the brightness and press the
button to decrease the brightness (min. 0 / max. 100).
button to increase the contrast and press the
Operating the Monitor | 35