Dell S2340T Multi User Manual page 31

Image Enhance To enhance image clarity.
NOTE: Image Enhance is only available for Standard, Multimedia, Movie and Game mode.
Reset Color Reset your monitor color settings to the factory settings.
Settings
Display Settings Use the Display Settings to adjust image.
Aspect Ratio Adjust the image ratio as wide 16:9, 4:3 or 5:4.
Sharpness
This feature can make the image look sharper or softer. Use
Dynamic Contrast Dynamic Contrast adjusts the contrast ratio to 8,000,000 : 1.
Push the
NOTE: Dynamic Contrast provides higher contrast if you choose Game mode and Movie mode.
Reset Display Select this option to restore default display settings.
Settings
Audio Settings Use the Audio Settings menu to adjust the audio settings.
button to select the Dynamic Contrast "On" or "Off" .
or to adjust the sharpness from '0' to '100'.