Canon mp620 - Manual (Page 532)

Advanced Guide > Scanning > Scanning with Other Application Software > Correcting Images and Adjusting Colors with
ScanGear (Scanner Driver) > Adjusting Brightness and Contrast
Adjusting Brightness and Contrast
In ScanGear's Advanced Mode, click (Brightness/Contrast).
Note
Click to switch to detailed view. Click to return to the previous view.
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.
Brightness
Adjust the image brightness. Move (slider) under Brightness to the left to darken and right to brighten
the image. You can also enter a value (-127 to 127).
Page 532 of 815 pages Adjusting Brightness and Contrast