Canon CanoScan FB 1200S Printing Guide - Page 36

About the Tone Curve Window, Selecting a Color Channel, Scanning Techniques.

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CONTENTS GLOSSARY INDEX Chapter 3 Scanning 36 About the Tone Curve Window The Tone Curve windows display more details about each tone setting. The shape of the tone curve changes to reflect the current settings in the selected channel. If Scan Mode is Color or Grayscale, and the Tone tab is selected, Contrast/Brightness is the Tone feature selected and displayed, by default. The curve is not directly editable unless the Special Tone Curves tool is active. Selecting a Color Channel If you are scanning a color image, you can change the contrast and brightness of the individual red, green, and blue tones in your image. The Channel list has the following options: Master A combination of red, green, and blue. Red Lets you adjust only the red tones in the image. Green Lets you adjust only the green tones in the image. Blue Lets you adjust only the blue tones in the image. If the menu is set to either red, green or blue, you see all three curves in the curve box. The Channel list is disabled if the mode is not Color and the Tone tab is not visible if you selected Black and White or Text Enhanced as your scan mode. For more information about how to use the color channels to adjust the preview image, see the section, "Enhancing Color Images" in Chapter 5, "Scanning Techniques." 36

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CONTENTS
GLOSSARY
INDEX
36
36
Chapter 3
Scanning
About the Tone Curve Window
The Tone Curve windows display more details about each tone setting. The
shape of the tone curve changes to reflect the current settings in the selected
channel. If Scan Mode is Color or Grayscale, and the Tone tab is selected,
Contrast/Brightness is the Tone feature selected and displayed, by default. The
curve is not directly editable unless the Special Tone Curves tool is active.
Selecting a Color Channel
If you are scanning a color image, you can change the contrast and brightness
of the individual red, green, and blue tones in your image.
The Channel list has the following options:
Master
A combination of red, green, and blue.
Red
Lets you adjust only the red tones in the image.
Green
Lets you adjust only the green tones in the image.
Blue
Lets you adjust only the blue tones in the image.
If the menu is set to either red, green or blue, you see all three curves in the
curve box. The Channel list is disabled if the mode is not Color and the Tone
tab is not visible if you selected Black and White or Text Enhanced as your
scan mode.
For more information about how to use the color channels to adjust the
preview image, see the section,
“Enhancing Color Images”
in Chapter 5,
“Scanning Techniques.”