41VISIONEER ONETOUCH 8900 SCANNER INSTALLATION GUIDE
ADJUSTING GAMMA, SATURATION, AND COLOR HUE
If you’re using the Color Configuration to scan, you can adjust a group of color settings. Gamma controls the brightness of the midtones of the color, saturation is the strength or purity of a color, and hue is the color your eyes see as reflected from the image. These color settings are represented by a response curve.
The following figure shows the color options:
