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UMAX Astra 2000U/P Owner’s Guide
55
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. You 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.
Using the Contrast Bar
This setting controls the difference between light and dark areas in
an image. Moving the slider on the scroll bar to the right increases
the gray shades between light and dark areas. Moving it to the left
decreases gray shades between light and dark areas. The default
setting is zero 0. The maximum contrast setting is 100, the
minimum setting is –100.