Correcting The Image Tone Automatically - Canon MultiPASS C80 Software User's Manual

Tone Toolbar
Using the buttons on the toolbar, you can access settings which affect
different aspects of image tone, and give you great flexibility in
manipulating your image tone before scanning the image.
Auto Tone
Tone Graph
Viewing the tone graph gives you more detail about the tone setting.
The shape of the tone graph changes to reflect the selected channel's
current tone settings.
Colour Channel
If you choose Colour as the scan mode, access to colour channels is
available when you use the Contrast/Brightness, Gamma, Histogram,
or Special Tone Curves tool. By selecting a colour channel, you can
analyse and change specific aspects of an image's overall colour.

Correcting the Image Tone Automatically

You can specify that tone corrections be made automatically.
To specify automatic auto tone corrections:
On the Tone tab, click the Auto Tone button.
6-20 Scanning
Gamma
Contrast/ Histogram
Brightness
Special
Tone Curves
Chapter 6