Canon CanoScan FB 630U User Manual - Page 36

Adjusting output color RGB, Setting Threshold, Improving image quality, On the Tone sheet

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chapter 4 The ScanGear CS Settings Top Page Glossary Contents Index Adjusting output color (RGB) On the Tone sheet, click the Special Tone Curves button. Then on the graph, click a point on the curve to define a point and drag it in any direction to adjust the color output of the color selected in the Channel box. (354) Setting Threshold On the Main sheet, click the down-arrow for Scan Mode and select Black and White from the pull-down list. On the Scanner sheet, drag the Threshold slide bar to the left or right to adjust the setting. The adjusted Threshold setting will be reflected in the next preview or scan.(359) Improving image quality On the Scanner sheet, click the Descreen check box to switch on moiré reduction to improve the overall quality of the image. (359) 36

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Top
Page
Glossary
Contents
Index
36
chapter 4
The ScanGear CS
Settings
Adjusting output color (RGB)
On the Tone sheet, click the Special Tone Curves button. Then
on the graph, click a point on the curve to define a point and
drag it in any direction to adjust the color output of the color
selected in the Channel box.
(
✦
54
)
Setting Threshold
On the Main sheet, click the down-arrow for Scan Mode and select
Black and White from the pull-down list.
On the Scanner sheet,
drag the Threshold slide bar to the left or right to adjust the
setting.
The adjusted Threshold setting will be reflected in the
next preview or scan.(
✦
59
)
Improving image quality
On the Scanner sheet, click the Descreen check box to switch on
moiré reduction to improve the overall quality of the image.
(
✦
59
)