Adjusting Tone Curve - Canon MX490 Series Online Manual

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
tab.
Note
• Click Defaults to reset all adjustments in the current window.
Channel
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."
Master
Adjust the Red, Green, and Blue combined.
Red
Adjust the Red channel.
Green
Adjust the Green channel.
Blue
Adjust the Blue channel.
Note
• 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.
(Tone Curve Settings) in ScanGear (scanner driver)'s Advanced Mode
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