Oki C5550 MFP User Manual page 108

2. Highlight/shadow levels
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Highlight refers to the lightest point in a scanned image
while shadow refers to the darkest point. Using Highlight
and Shadow tools together allows you to extend the range
of color and reveal more details in a gray or color image.
Shadow (1): The darkest point of an image.
Gamma (2): The middle tones of the image.
Highlight (3): The lightest point of an image.
Pointer (4): Move to change the value.
When the value of gamma changes, the image changes as
shown below.
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1. Gamma value: 1.0;
2. Gamma Value: 1.4;
3. Gamma Value: 2.0
C5550 MFP User's Guide
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