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- For color images scanned in 256 Colors or True Color, RGB mode, you can adjust Brightness/Contrast and Gamma levels for the Red, Green, Blue and RGB channels; the adjustments to the RGB channel affect each of the Red, Green and Blue channels. You can adjust Highlight/Shadow levels for the RGB channel only.
- For the images scanned in Gray 256 Scales mode, you can adjust Brightness/Contrast, Highlight/Shadow and Gamma levels for the Gray channel only.
- For the images scanned in Lineart B/W or Halftone B/W mode, you cannot adjust any of the Brightness/Contrast, Highlight/Shadow and Gamma settings.
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