Dell P2214H Monitor - Manual (Page 34)

Color Use Color Settings to adjust the color setting mode.
Settings
Input Color Allows you to set the video input mode to:
Format
RGB: Select this option if your monitor is connected to a computer or
DVD player using the VGA and DVI cable.
YPbPr: Select this option if your monitor is connected to a DVD player
by YPbPr to VGA, or YPbPr to DVI cable; or if the DVD color output
setting is not RGB.
34 | Operating the Monitor