Adjusting Tone Curve - Canon MX490 series Online Manual

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Adjusting Tone Curve

You can adjust the brightness of an image by selecting the type of graph (tone curve) showing the balance

of tone input and output, via

• 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.

Reading Tone Curves

With ScanGear, scanning images via a scanner is the input, and displaying to a monitor is the output.

"Tone Curve" shows the balance of tone input and output for each Channel.

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(Tone Curve Settings) in ScanGear (scanner driver)'s Advanced Mode

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