Dell UltraSharp 2208WFP Manual page 19

Input Color Choose the RGB option if monitor is connected to a PC or a DVD using a VGA or DVI cable. Choose the YPbPr option if monitor is
Format connected to a DVD by a YPbPr to VGA or YPbPr to DVI cable or if the DVD color output setting is not RGB.
Gamma To achieve the different color mode for PC and Mac.
Color Setting You can choose between a Graphics and a Video mode. If your computer is connected to your monitor, choose Graphics. If a DVD,
mode STB, or VCR is connected to your monitor, choose Video.
Preset Mode When you select Graphics, you can choose Desktop, Multimedia, Game, sRGB,Warm, Cool, or Custom (R,G,B);
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If you view media application like photo, clip etc via PC, choose "Multimedia" preset;
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If you play a game in PC, choose "Gaming" preset;
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If you prefer a lower color temperature (5700K), choose "Warm" preset;
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If you prefer a higher color temperature, choose "Cool" preset;
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