5
STEP 3 39Adjusting Scanned Images.......................................................... 39
Tone Adjustment..................................................................................................40
Histogram Settings............................................................................................... 41
Tone Curve Settings............................................................................................. 44
Brightness and Contrast Settings .........................................................................47
Adjusting the Color Balance................................................................................. 49
Gamma Value Settings......................................................................................... 50
Adjusting the Threshold Value .............................................................................52
Auto Tone Correction...........................................................................................53
Unsharp Mask...................................................................................................... 54
Descreen.............................................................................................................. 55
High-speed Scan Mode........................................................................................ 56
Saving/Recalling Settings...................................................................................... 57
Scanning Techniques............................................................................................ 59
Appendices................................................................................................ 60
Troubleshooting................................................................................................... 61
Error Messages .................................................................................................... 65
Glossary............................................................................................................... 66
Index.................................................................................................................... 71
Canon Customer Support Help Desk ................................................................... 73
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