Adjusting Brightness And Contrast - Canon MX490 series Online Manual

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Adjusting Brightness and Contrast

You can adjust images that are too dark or bright, or too flat due to lack of contrast by using

(Brightness/Contrast) in ScanGear (scanner driver)'s Advanced Mode tab.

(Down arrow) to switch to detailed view. Click

• Click Defaults to reset all adjustments in the current window.

Each dot of an image is a mixture of Red, Green, and Blue in various proportions (gradation). These

colors can be adjusted individually as a "channel."

Adjust the Red, Green, and Blue combined.

Adjust the Red channel.

Adjust the Green channel.

Adjust the Blue channel.

• Only Grayscale will be displayed in Channel when Color Mode is Grayscale.

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(Up arrow) to return to the previous view.

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