Xerox XDM5205DWU Installation Guide - Page 52

To adjust the highlight and shadow levels

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Scanning from PaperPort To adjust the highlight and shadow levels: 1. Click the Highlight/Shadow button. The dialog box that opens shows a histogram of the saturation, gamma, and hue (S, G, H) of the range of colors for the highlight and shadow. Saturation is the strength or purity of a color, gamma controls the brightness of the midtones of the color, and hue is the color your eyes see as reflected from the image. The gamma setting in this dialog box is in conjunction with the hue and saturation but you can also set gamma by itself for an image. See the section "Curves," below for more information 2. From the Channel drop-down list, choose RGB to adjust all the channels together, or choose a single channel if available. 3. Enter new settings in the boxes for the three levels, or drag the small triangles at the bottom of the histogram. As you change the settings, the histogram changes to reflect the new levels. 4. Click Preview to see the effect of the new settings on the preview image. 5. Click Reset to reset the levels to their original values. 6. Click OK when the levels are what you want. 46 DocuMate 520 Scanner Installation Guide

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Scanning from PaperPort
46
DocuMate 520 Scanner Installation Guide
To adjust the highlight and shadow levels:
1.
Click the
Highlight/Shadow
button.
The dialog box that opens shows a histogram of the saturation,
gamma, and hue (S, G, H) of the range of colors for the
highlight and shadow.
Saturation is the strength or purity of a color, gamma controls
the brightness of the midtones of the color, and hue is the color
your eyes see as reflected from the image. The gamma setting
in this dialog box is in conjunction with the hue and saturation
but you can also set gamma by itself for an image. See the
section “Curves,” below for more information
2.
From the Channel drop-down list, choose
RGB
to adjust all the
channels together, or choose a single channel if available.
3.
Enter new settings in the boxes for the three levels, or drag the
small triangles at the bottom of the histogram.
As you change the settings, the histogram changes to reflect
the new levels.
4.
Click
Preview
to see the effect of the new settings on the
preview image.
5.
Click
Reset
to reset the levels to their original values.
6.
Click
OK
when the levels are what you want.