Special Tone Curves Sheet - Canon CanoScan D1230UF User Manual

chapter 4
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Special Tone Curves Sheet

When the Special Tone Curves button is clicked, the Special Tone
Curves sheet is displayed.
Channel
Click the down-arrow and select one of the primary colors (RGB) for
adjustment or leave the setting at Master to adjust all the colors.
Select Special Curve
Click the down-arrow and select a setting from the drop-down list.
These settings are designed to solve some of the most common
problems with scanned images: overexposure, underexposure, or poor
contrast:
• No correction
• Fix an image that is underexposed
• Fix an image that is overexposed
• Fix an image that is low contrast
• Fix an image automatically
• Edit Custom Curve
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