Canon CanoScan D660U User Manual page 42

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
in the Preview Area. The setting will remain in effect
Note
for the next image previewing or scanning.
42