User Manual

Button Configuration Window Overview 43
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Brightness
Raising the brightness increases the amount of white in an image, making it
appear more washed out. Lowering the brightness may help you read light or faint
text.
You may adjust the brightness either way:
·
Slide the thumb of
the scroll bar to the right or left, which adds lightness or
darkness to all colors in your image.
·
Click on the scroll bar.
The current value is shown to right of each scroll bar.
Contrast
The higher the contrast, the sharper the image. The lower the contrast, the more
blurry an image will be.
You may adjust the contrast either way:
·
Slide the thumb of
the scroll bar to the right or left, which raises or lowers the
differences between light and dark colors in your image.
·
Click on the scroll bar.
The current value is shown to right of each scroll bar.
This feature is not available when
Black & White
is selected as Scan Mode.
Gamma
Image Gamma is used to adjust the colors in the image that will be scanned into
the computer. Gamma values are primarily a measure of the brightness of a color.
The larger the gamma value, the brighter the color becomes
.
Do one of the following:
·
Slide the thumb of
the scroll bar to the right or left
.
·
Click on the scroll bar.
The current value is shown to right of the scroll bar.