Canon PIXMA MP250 - Manual (Page 482)

Advanced Guide > Scanning > Scanning with Other Application Software > Correcting Images and Adjusting Colors with
ScanGear (Scanner Driver) > Adjusting Tone Curve
Adjusting Tone Curve
In ScanGear's Advanced Mode tab, click (Tone Curve Settings).
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 (scanner driver), 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.
Page 482 of 678 pages Adjusting Tone Curve