Contrast/Brightness Sheet - Canon CanoScan D646U User Manual

chapter 4
What is on the
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Contrast/Brightness Sheet

When the Contrast/Brightness button is clicked, the Contrast/Brightness
sheet is displayed.
The shape of the tone curve changes to reflect the current Contrast/
Brightness setting for the current Channel, and the image in the Preview
Area changes to reflect the adjustment.
Channel
If you want to select one of the primary colors (RGB) for adjusting the
contrast or brightness, click the Channel down-arrow and select the
color, or leave the settings at Master to adjust all the colors.
Contrast
Drag the Contrast slider to the left to decrease the contrast of the image
or to the right to increase the contrast of the image.
Brightness
Drag the Brightness slider to the left to darken the image or to the right
to lighten the image.
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