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Canon 4.1 User Manual
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Contents
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54S T E P 3Unsharp MaskThe Unsharp Mask function enhances the outlines of an image. When set to On,this function makes the image outlines appear sharper without changing thebrightness, contrast or color balance, giving it a natural look. It is particularly usefulfor scanning images that are slightly out of focus.The function is on when a check mark appears beside it and off when there isnone. The default value is On.Caution• This setting is not available for the black and white scanning mode.• If Plug-in Module CS-U is started within an application that hides thePlug-in Module CS-U control panel, the previous setting will bemaintained.Operating ProceduresOpen the [Image] menu and select [Unsharp Mask].A check mark will appear beside the Unsharp Mask option in the menu when thisfunction is set to On. To set it to Off, reselect it. The check mark will disappear.Hint• Disable the Unsharp Mask function if the moiré effect is still too strongeven when the Descreen option is on.• When the Unsharp Mask is on, it may take longer to scan. |
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