Dell U3011 Monitor - Manual (Page 20)

HDMI
Select HDMI input when you are using the HDMI connector. Touch the button to select the HDMI input source.
Component
Select Component input when you are using the Component connector. Touch the button to select the Component input
source.
Color Settings
Use the Color Settings to adjust the color setting mode and color temperature.
Color Settings submenu for Standard, Warm, Cool, Adobe RGB, sRGB, xv Mode and Custom Color modes:
Color Settings submenu for Multimedia, Game and Movie modes:
Input Color Format Choose the RGB option if monitor is connected to a PC or a DVD using a VGA or a DVI cable. Choose the YPbPr option if monitor is
connected to a DVD by a YPbPr cable.
Gamma To achieve the different color mode for PC and Mac.