Canon N650U, N656U, N1220U manual Grayscale, Color Photos and Color Documents, Black & White

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S T E P 3

Adjusting Scanned Images

Scanned images may be corrected for brightness and color tone

or edited in a variety of ways.

The potential adjustments vary with the scan mode utilized in the preview. Adjustments to the scanned image may be made after the image is previewed.

Grayscale, Color (Photos) and Color (Documents):

■ Tone Adjustment			p. 36
■ Histogram Settings			p. 37
■ Histogram Settings			p. 37
■ Tone Curve Settings			p. 40
■ Tone Curve Settings			p. 40
■ Brightness and Contrast Settings			p. 43
■ Brightness and Contrast Settings			p. 43
■ Adjusting the Color Balance			p. 45
■ Adjusting the Color Balance			p. 45
■ Gamma Value Settings			p. 46
■ Gamma Value Settings			p. 46

Black & White:

■ Adjusting the Threshold Value

p. 48

Color (Photos) and Color (Documents):

■ Auto Tone Correction			p. 49
■ Unsharp Mask			p. 50
■ Unsharp Mask			p. 50
■ Descreen			p. 51
■ Descreen			p. 51
■ Saving/Recalling Settings			p. 52
■ Saving/Recalling Settings			p. 52
■ Scanning Techniques			p. 54
■ Scanning Techniques			p. 54

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Contents Users Guide When you open the box How to Make Best Use of the ManualsAbout the Conventions Used in this Guide How to Use this GuideWhere to Look Table of Contents Adjusting Scanned Images Operating Environment Installing Plug-in Module CS-UImage Size pp Control Panel FeaturesE P Scanning ProceduresColorSync Ver 2.0 + Compatible for Auto Tone Correction Plug-in Module CS-U Special FeaturesSee the Results of Adjustments Immediately Dynamic Preview Gamma Curve Adjusts Image BrightnessPosition materials for scanning and preview them Install Plug-in Module CS-UQuick Start Instructions Start Plug-in Module CS-USelect the area to be scanned by clicking and dragging Verify Image Quality with the Browser Function beforeSpecify the Area of the Image to be Scanned Click on the Browser button Selection frame will appearSave the Scanned Image p Scan the Image pE P RGB Values Displaying the Plug-in Module CS-U Control PanelOperating Procedures Place the original on the scanners document glass ProceduresPositioning Originals Click on the Preview button PreviewingSelecting the Output Device Output Device Resolution= 720 dpi, Magnification= 100% Setting the Resolution and MagnificationSet the desired magnification factor on the control panel To Set the Magnification FactorColor Documents Setting the Scan ModeBlack and White GrayscaleSelect a scan mode from the pop-up menu Click the arrow beside Scan ModeTo Verify the Image Verifying the Image before ScanningUse these buttons to rotate the image Rotating the ImageAspect Ratio Setting PreferencesOutput Device Preview Window UnitClose Plug-in After Scan Reset Default SettingsCalibration Operating Procedures Scanning Position the pointer in the preview window Setting the Scan AreaSelect the area you want to enlarge with the zoom function Procedures to ZoomZooming Click on the Zoom In button Click on the Scan button ScanningTo Initiate the Scan Specify the Scan AreaEnter a name for the file and click the Save button Saving Scanned ImagesColor Photos and Color Documents Grayscale, Color Photos and Color DocumentsBlack & White Tone Adjustment Dialog Tone AdjustmentHow to Interpret Histograms Histogram SettingsHow to Adjust Histograms To Adjust a HistogramShadow Mark Click on the OK buttonManipulating the Graph Tone Curve SettingsClick the OK button To Edit the Tone CurveValue = Relationship Between the Tone Curve Image BrightnessBrightness Brightness and Contrast SettingsContrast To Adjust the Brightness and Contrast Operating Procedure Adjusting the Color BalanceGamma value Gamma Value SettingsMatching the Gamma Value to the Display Characteristics To Change the Gamma Value Settings To Set the Threshold Value Adjusting the Threshold ValueColorSync Auto Tone CorrectionTo Set the Auto Tone Correction StandardOpen the Image menu and select Unsharp Mask Unsharp MaskOpen the Image menu and select Descreen DescreenClick the Save button Saving/Recalling SettingsTo Save Settings in a Settings File To Recall a Settings File Scanning Techniques Matching Scan Resolution to PurposeOptical and Enhanced Resolutions Appendices Troubleshooting Problem Scan button cannot be selected Response Error MessagesError Message CauseBlack Eyedropper Tool GlossaryAuto Tone Correction Bits/Bit NumbersDot Color ChannelMagnification HistogramImage File Pixel Optical ResolutionResolution MoiréTone Curve Scan ModeShadows Threshold ValueOutput device 7, 11, 18, 25 IndexPage Canon Computer SYSTEMS, INC Canon Customer Support Help DeskOE-040AA 052000 CDS Canon Inc