UMAX Astra 6400/6450 Owner’s Guide
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Rotation/Invert
To access the color adjustment features, click the
Color
Adjustment
icon from the VistaScan Advanced window.
Adjusting Image Brightness, Contrast, Highlights and Shadows
When you click on the Brightness/Contrast tab from the Color
Adjustment panel a series of slide bars appear. Adjust the
associated tones by dragging the slider in one of the bars to the left
or the right.
Using the Brightness Bar
This setting determines the overall intensity level (gray level) of an
image. Moving the slider on the scroll bar to the right increases the
brightness. Moving it to the left decreases the brightness. The
default setting is zero 0. The maximum brightness setting is 100,
the minimum setting is –100.
Summary of Contents for Astra 6400
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