Canon printer PIXMA MG7720 User Manual
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Adjusting Tone Curve In Select Tone Curve , select a tone curve from No correction, Overexposure , Underexposure , High contrast , Reverse the negative/positive image , and Edit custom curve . No correction (No adjustment) Overexposure (Convex curve) The midtone data of the input side is stretched toward the highlight of the output side, resulting in a bright- toned image when viewed on a monitor. Underexposure (Concave curve) The midtone data of the input side is stretched toward the shadow of the output side, resulting in a dark- toned image when viewed on a monitor. High contrast (S curve) The highlight and shadow of the input side are enhanced, resulting in a high-contrast image. Reverse the negative/positive image (Downward-sloping line) The input and output sides are reversed, resulting in a negative-positive inverted image. 791
Edit custom curve You can drag specific points on the Tone Curve to freely adjust the brightness of the corresponding areas. 792
Setting ThresholdYou can sharpen text in a document or reduce show-through in newspapers by adjusting the threshold level via (Threshold) in ScanGear (scanner driver)'s Advanced Mode tab. Note
ScanGear (Scanner Driver) Screens Basic Mode Tab Advanced Mode Tab Input Settings Output Settings Image Settings Color Adjustment Buttons Preferences Dialog Box Scanner Tab Preview Tab Scan Tab Color Settings Tab 794
Basic Mode TabThis mode allows you to scan easily by following the on-screen steps.This section describes the settings and functions available on the Basic Mode tab. (1) Settings and Operation Buttons (2) Toolbar (3) Preview Area Note
FlexibleAllows you to freely adjust the cropping frames (scan areas). In thumbnail view: Drag the mouse over a thumbnail to display a cropping frame. When a cropping frame is displayed, the portion within the cropping frame will be scanned. When no cropping frame is displayed, each frame is scanned individually. In whole image view: When no cropping frame is displayed, the entire Preview area will be scanned. When a cropping frame is displayed, the portion within the cropping frame will be scanned. Paper Size (L, A4, etc.) Select an output paper size. The portion within the cropping frame will be scanned at the size ofthe selected paper size. You can drag the cropping frame to enlarge/reduce it while maintaining the aspect ratio. Monitor Size (1024 x 768 pixels, etc.) Select an output size in pixels. A cropping frame of the selected monitor size will be displayed and the portion within the cropping frame will be scanned. You can drag the cropping frame to enlarge/reduce it while maintaining the aspect ratio. Add/Delete... Opens the Add/Delete the Output Size dialog box, in which you can specify custom output sizes. You can select this option when Destination is Print or Image display . In the Add/Delete the Output Size dialog box, you can specify multiple output sizes and save them at one time. Saved items will be registered to the Output Size list and can be selected, along with the predefined items. Adding: Enter Output Size Name , Width , and Height , then click Add. For Unit, you can select inches or mm when Destination is Print but you can only select pixels when Destination is Image display . The name of the added size appears in Output Size List. Click Save to save the items listed in Output Size List . Deleting: Select the output size you want to delete in Output Size List, then click Delete. Click Save to save the items listed in Output Size List. Important
(Check All Frames) Available when two or more frames are displayed. Selects the checkboxes of the image in thumbnail view. (Uncheck All Frames) Available when two or more frames are displayed. Deselects the checkboxes of the image in thumbnail view. (Select All Frames) Available when two or more frames are displayed. Selects the images in thumbnail view and outlines them in blue. (Select All Cropping Frames) Available when two or more cropping frames are specified. Turns the cropping frames into thick broken lines and applies the settings to all of them. (Remove Cropping Frame) Removes the selected cropping frame. (Information) Displays the version of ScanGear and the current scan settings (document type, etc.). (Open Guide) Opens this page. (3) Preview Area This is where a trial image appears after you click Preview. You can also check the results of the settings (image corrections, color adjustments, etc.) made in " (1) Settings and Operation Buttons ." When (Thumbnail) is displayed on the Toolbar: Cropping frames are specified according to the document size, and thumbnails of scanned images are displayed. Only the images with the checkbox selected will be scanned. 800