Dell U3014t User Manual page 46

Color Space: Allows users to select the color Space: Adobe RGB, sRGB, CAL1, CAL2.
Adobe RGB: This mode is compatible with Adobe RGB (99 % coverage).
sRGB: Emulates 72 % NTSC color.
CAL1 / CAL2: User calibrated preset mode using Dell Ultrasharp Color Calibration Software or other Dell approved software.
Dell Ultrasharp Color Calibration Software works with the X-rite colorimeter i1Display Pro. The i1Display Pro can be purchased from the Dell Electronics,Software and
Accessories website.
NOTE: Accuracy of sRGB, AdobeRGB, CAL1 and CAL2 are optimized for RGB input color format.
For optimal color accuracy of sRGB and AdobeRGB, turn Uniformity Compensation to Off.