Canon printer PIXMA MG7720 User Manual

							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

						

							Important
						

							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

						

							Note
						

							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