Canon CanoScan N650U User Manual - Page 41

Contrast/Brightness button, Gamma button, Histogram button, Special Tone Curves buttons

Page 41 highlights

chapter 4 What is on the Screen? Top Page Glossary Contents Index Contrast/Brightness button Opens the Contrast/Brightness sheet and allows you to adjust the brightness and contrast of the entire image. 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 buttons 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. The Contrast/Brightness, Gamma, Histogram, and Special Tone curves can be set even if there is no image Note in the Preview Area. The setting will remain in effect for the next image previewing or scanning. 41

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41
chapter 4
What is on the
Screen?
Top
Page
Glossary
Contents
Index
Contrast/Brightness button
Opens the Contrast/Brightness sheet and allows you to adjust the
brightness and contrast of the entire image.
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 buttons
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.
Note
The Contrast/Brightness, Gamma, Histogram, and
Special Tone curves can be set even if there is no image
in the Preview Area. The setting will remain in effect
for the next image previewing or scanning.