Canon 4207B002 User Manual - Page 238
of 334 s, Image Settings
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Image Settings Page 238 of 334 pages Grain Correction may not be effective if the scan area is too small. Backlight Correction Use this function to correct photos and film that have been shot against light. When you change the Backlight Correction setting, the result will be reflected in the preview image. None Backlight correction will not be applied. Low Select this to correct slightly backlit photos. This will not affect the image contrast. Medium It is recommended that you normally select this setting. High Select this to correct strongly backlit photos. This can affect the image contrast. Important You can set Backlight Correction after preview. You can set this setting when Recommended is selected on the Color Settings tab of the Preferences dialog box. This setting is not available when the Enable Large Image Scans checkbox is selected on the Scan tab of the Preferences dialog box. Backlight Correction may not be effective if the scan area is too small. Note Noise patterns may appear when Backlight Correction is applied. Applying Grain Correction and setting Unsharp Mask to OFF may reduce the noise patterns. Gutter Shadow Correction Use this function to correct shadows that appear between pages when scanning open booklets. When you set the Gutter Shadow Correction setting in the preview image, the result will be reflected. Preview the effects before scanning, as results vary depending on the type of document and how it is pressed. Unclear or blurred text/lines caused by curved pages are not corrected. None Gutter shadow will not be corrected. Low Select this when the effect level is too strong with the medium setting. Medium It is recommended that you normally select this setting. High Select this when the effect level is too weak with the medium setting. Important Do not place items that weigh 4.4 lbs (2.0 kg) or more on the Platen. Also, do not press on the document with a force exceeding 4.4 lbs (2.0 kg). If you press heavily, the scanner may not work correctly or you might break the glass. Align the document with the edge of the Platen. If not, the shadow will not be corrected properly.