Brightness And Contrast Tool (Native Color Mode Only); Brightness; Contrast - Microtek ScanMaker 6400XL Reference Manual

Brightness and Contrast tool
The Brightness and Contrast tool changes the brightness, contrast of the entire
image.

Brightness

The Brightness
brightness can make an image look washed out.

Contrast

The Contrast
• High contrast can make an image look like a photocopy of a picture with
• Low contrast can make an image look dull and flat.
• Very low brightness levels can make an image look very dark.
Individual channel adjustment for brightness/contrast is not supported. For
RGB color image, the same effect applies to all channels. For Lab color image,
brightness and contrast applies to L (Lightness) channel only.
Brightness Brightness Brightness control lets you change the brightness setting. Too much Brightness
Contrast control lets you change the contrast setting. Contrast Contrast
Contrast
little or no gray shades.
(Native Color Mode only)
Reference: The Settings Window 89