Dell U3011 Monitor - Manual (Page 19)

Brightness/Contrast Use this menu to activate Brightness/Contrast adjustment.
Brightness Brightness adjusts the luminance of the backlight.
Touch the button to increase brightness and touch the button to decrease brightness (min 0 ~ max 100).
Contrast Adjust Brightness first, and then adjust Contrast only if further adjustment is necessary.
Touch the button to increase contrast and touch the button to decrease contrast (min 0 ~ max 100).
The Contrast function adjusts the degree of difference between darkness and lightness on the monitor screen.
Auto Adjust Even though your computer recognizes your monitor on startup, the Auto Adjustment function optimizes the display settings for use
with your particular setup.
Auto Adjustment allows the monitor to self-adjust to the incoming video signal. After using Auto Adjustment, you can further tune
your monitor by using the Pixel Clock (Coarse) and Phase (Fine) controls under Image Settings.
NOTE: In most cases, Auto Adjust produces the best image for your configuration. Auto Adjust option is only available when you are
using the analog (VGA) connector.
Input Source Use the Input Source menu to select between different video signals that may be connected to your monitor.
Scan Sources
Touch the button to select the Scan Sources, the monitor will auto detect either VGA input or DVI-D input or DislpayPort input
or HDMI input or Component video input.
DVI-D
Select DVI-D input when you are using the Digital (DVI) connector. Touch the button to select the DVI input source.
DisplayPort
Select DisplayPort input when you are using the DisplayPort (DP) connector. Touch the button to select the DisplayPort input
source.
VGA
Select VGA input when you are using the analog (VGA) connector. Touch the button to select the VGA input source.