Adjusting The Image Tones; Adjusting The Color Balance - UMAX Technologies Astra 2200 Owner's Manual

with good results, VistaScan provides gamma adjustment capabilities so you can compensate for this
variance in your scanner.
Moving the slider on the scroll bar to the right increases the brightness of the mid-range gray tones.
Moving it to the left decreases the brightness of the mid-range gray tones. The default setting is 1.2.
Reset Button
Click the Reset button to cancel the changes and return the value to the default setting.

Adjusting the Image Tones

The Curve command is another way to make precise adjustments in the highlight, midtones, or shadow
levels in your images. Using this feature corrects the gray/color values in an image. You change the values
by altering the shape of the curve that represents the brightness pixels.
Click Reset to cancel the changes and return the value to the default setting.

Adjusting the Color Balance

The Color Adjustment feature controls the hue and saturation of a particular color.
When you click on the Color Balance tab from the Color Adjustments panel, a continuous color spectrum
wheel appears.
When you click in the wheel the image tones are shifted to the particular hue that is represented in that area.
Click the Reset button to cancel the changes and return the value to default setting.
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