User manual

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2-30
Introduction
Scanning a
Document
Troubleshooting
Appendix
Table of Contents
Index
● Tone Curve Settings
This dialog box enables you to adjust the brightness of a specific
area of an image by selecting the type of the tone curve. The
tone curve is a graph showing the balance of tone input and
output.
(Gray Balance eyedropper tool)
When adjusting a color image, click this
button, then click a point in the preview
image (or inside the focal crop) to specify the
point to execute gray balance adjustment.
The gray elements within a scanned image
will appear as a neutral gray, and other
elements within the image will also have true
color reproduction.
[Reset] Resets all the current settings to their default
values.