Canon 4.1 - page 17

S T E P 1

Previewing

The preview scan is a trial scan performed before the final scan that encompasses

the entire scanable area of the document glass. The preview image is shown in the

preview window. Use this image to specify a scan area and adjust the scan settings

for the image.

Operating Procedures

Click on the [Preview] button.

• The image will be scanned and appear in the preview window.

Hint

• To change the size of the preview window, use the [Window Size] settings

in the Preview Window Settings dialog (p. 26).

• The Dynamic Preview function enables changes to settings, such as the

scan mode and brightness, to be immediately reflected in the preview

image.

Caution

• The preview image provides only an approximation of the scan and the

final results may differ to some degree from it.

• Calibration automatically starts when [Preview] or [Scan] button is clicked.

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Contents

Main How to Make Best Use of the Manuals Quick Start Guide This Guide User's Guide Product Guide How to Use this Guide Where to Look Quick Start Instructions p. 10 Scanning Preparations (Required Reading) p. 13 Scanning (Required Reading) p. 29 Table of Contents STEP 3 39 Adjusting Scanned Images.......................................................... 39 Installing Plug-in Module CS-U Operating Environment Control Panel Features Scanning Procedures STEP 1 STEP 3 STEP 2 Plug-in Module CS-U Special Features Page Page Page STEP 1 Scanning Preparations Displaying the Plug-in Module CS-U Control Panel Page Positioning Originals Procedures Place the original on the scanner's document glass. Close the cover carefully so the original does not shift out of position. Previewing Selecting the Output Device Setting the Resolution and Magnification Output Device Resolution= 720 dpi, Magnification= 100% The scanning resolution changes accordingly. Magnification changed to 50% Magnification Scanning Resolution To Set the Magnification Factor Set the desired magnification factor on the control panel. Setting the Scan Mode Black and White 8 bit Grayscale Grayscale (14/16 bit) 24 bit Color Click the arrow beside Scan Mode. Select a scan mode from the pop-up menu. Verifying the Image before Scanning To Verify the Image Rotating the Image Setting Preferences Output Device Aspect Ratio Unit Specifies the units that define the size of the scanned image. Preview Window Shut off lamp time Reset Default Settings Close Plug-in After Scan Platen/Film Page STEP 2 Scanning Setting the Scan Area Position the pointer in the preview window. Click and drag the mouse in the direction you want to define on the image as a frame. Zooming Procedures to Zoom In Page Scanning To Initiate the Scan Specify the Scan Area. Click on the [Scan] button. Click (close box) to guit the Plug-in Module CS-U. Saving Scanned Images Scanning Film Select the appropriate film type and size. Auto Exposure Save Exposure Data Page Remove Dust and Scratches (CanoScan D2400U only) STEP 3 Adjusting Scanned Images 24-bit Color: Black & White: 8-bit/14/16bit Grayscale and 24-bit/42/48bit Color: Tone Adjustment Tone Adjustment Dialog Histogram Settings How to Interpret Histograms How to Adjust Histograms To Adjust a Histogram Click on the [OK] button. The preview image will change according to the values specified with the histogram. The histogram dialog can also be displayed by selecting [Tone Adjustment] from the [Image] menu. Tone Curve Settings Manipulating the Graph To Edit the Tone Curve The image in the preview window changes to reflect the new settings. Click the OK button. The Relationship Between the Tone Curve and Image Brightness Gamma Value = 1 Gamma Value > 1 Gamma Value < 1 Brightness and Contrast Settings Contrast Brightness To Adjust the Brightness and Contrast Adjusting the Color Balance Operating Procedure Gamma Value Settings Matching the Gamma Value to the Display Characteristics Gamma value To Change the Gamma Value Settings Click the gamma tab in the Tone Adjustment dialog. Click a pre-set value or the custom option. The changes are reflected in the image currently displayed in the preview window. Adjusting the Threshold Value To Set the Threshold Value Auto Tone Correction Recommended: ColorSync: None: To Set the Auto Tone Correction Unsharp Mask Open the [Image] menu and select [Unsharp Mask]. Descreen Open the [Image] menu and select [Descreen]. High-speed Scan Mode Select [High-speed Scan Mode] from the [Image] menu. Saving/Recalling Settings To Save Settings in a Settings File Page Scanning Techniques Matching Scan Resolution to Purpose Appendices Troubleshooting Page Page Page Error Messages Response Error Message Cause Glossary Page Page Page Page Index A B C D S T U W Z Canon Customer Support Help Desk I-OE-060A CANON INC. 2001