Avision AV3600, Руководство пользователя

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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.