Dell E198WFP User Manual page 18

Pixel Clock
(Coarse)
If satisfactory results are not obtained using the Phase adjustment, use Pixel Clock (Coarse) and then use Phase (fine), again.
Phase (Fine)
NOTE: This function may change the width of the display image. Use the Horizontal function of the Position menu to center the
display image on the screen.
NOTE: When using DVI source, the Image Settings option is not available.
Color
Color Settings adjust the color temperature.
Settings
Color Settings has the following options:
Color Management : You can choose to enable or disable this option.
Color Settings Mode : You can choose between a Graphics and a Video mode. If your computer is connected to your monitor, choose
Graphics. If a DVD, STB, or VCR is connected to your monitor, choose Video.
Color Presets: You can choose different color presets for different viewing modes.
You can choose either Graphics or Video under Color Settings Mode.
Blue Preset
Red Preset
Normal
Preset
User Preset