Canon CanoScan N670U CanoScan N670U/N676U/N1240U ScanGear CS-U 6.2 for Win/Mac - Page 41
Gamma button, Histogram button, Special Tone Curves button
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chapter 3 What is on the Screen? Contents Troubleshooting Glossary Index Gamma button Opens the Gamma sheet and allows you to shift mid-tones so lighter colors are lightened and darker colors are darkened. Histogram button Opens the Histogram sheet and allows you to adjust tone intensity to enhance an image that is either too light or too dark. Special Tone Curves button Opens the Special Tone Curves sheet and allows you to adjust the tones for one or all of the three primary colors (RGB) by selecting a special tone curve or editing a tone curve. 41
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41
chapter 3
What is on the
Screen?
Troubleshooting
Glossary
Contents
Index
Gamma button
Opens the Gamma sheet and allows you to shift mid-tones so lighter colors
are lightened and darker colors are darkened.
Histogram button
Opens the Histogram sheet and allows you to adjust tone intensity to
enhance an image that is either too light or too dark.
Special Tone Curves button
Opens the Special Tone Curves sheet and allows you to adjust the tones for
one or all of the three primary colors (RGB) by selecting a special tone curve
or editing a tone curve.