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56 VISIONEER ONETOUCH 9420 USB SCANNER USER’S 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 color midtones,
saturation is the strength or purity of a color, and hue is the color your
eyes see as reflected from the image.
The following figure shows the color options.
To adjust the color settings:
1. Drag the Gamma, Saturation, and Color Hue sliders to the left to
decrease the settings or to the right to increase the settings.
You can also type a number directly into the setting boxes, or click
the up and down arrows next to the boxes.
2. Click Reset to return the settings to their original numbers.