Dell E156FPc Service Manual page 10

Phase If satisfactory results are not obtained using the 'Phase' adjustment, use the 'Pixel Clock'
adjustment and then use 'Phase' again.
Color Settings:
'Color Settings' adjusts the color temperature and saturation.
Normal Preset 'Normal Preset' is selected to obtain the default (factory) color settings.
Blue Preset 'Blue Preset' is selected to obtain a bluish tint. This color setting is typically used for text
based applications (Spreadsheets, Programming, Text Editors etc.).
Red Preset 'Red Preset' is selected to obtain a redder tint. This color setting is typically used for color
intensive applications (Photograph Image Editing, Multimedia, Movies etc.).
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.
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Dell E156FPc