UMAX 6400 Guia Do Utilizador

UMAX Astra 6400/6450 Owner’s Guide

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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.

Click the Reset button to cancel the changes and return the value to
the default setting.

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 values of pixels.

Click Reset to cancel the changes and return the value to the default
setting.

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.