Dell LCD TV W2300 - Manual (Page 52)

Note: Operating in DVI mode, the Pixel Clock and Phase
adjustments are not available.
COLOR
SETTING: Color Settings adjusts the color temperature.
EXIT: Exit this menu
NATURE COLOR: Equivalent to original panel color.
NORMAL COLOR: 6500K (Same as SRGB) default from FACTORY
BLUE PRESET: Equivalent to 9300K
RED PRESET: Equivalent to 5700K
USER PRESET: Adjust red, green, blue three colors from 0 to 100.
OSD SETTINGS: Each time the OSD opens, it displays in the same location on the screen. 'OSD Settings'