Avision AV8000S - Manual (Page 40)

5-19
Color Drop-out
This feature is available when Black and
White, Halftone, or 8-Bit Gray is selected on the Image Type
drop-down menu. Click on the Color Drop-out button to
access a dialog box that allows you to choose to remove the
R (Red), G (Green), or B (Blue) color channel while scanning.
For example, if your image contains red text or a red
background, choose R channel (red) to remove the red text or
red background.
This feature is applicable only for black-and-white and
grayscale images. Make sure that you have selected a black-
and-white or grayscale image type (on the Image Type drop-
down menu) when you use this option.
Tip
Increasing the brightness after removing one of the color
channels will make the image clearer.