NEC WT615 - Manual (Page 95)

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´ Menu Descriptions & Functions [Adjust]
Basic
[Brightness]
Adjusts the brightness level or the back raster intensity.
[Contrast]
Adjusts the intensity of the image according to the incoming signal.
[Color]
Increases or decreases the color saturation level (not valid for RGB and DVI digital).
6. Using On-Screen Menu