Canon N656U, N1220U, N650U manual Tone Adjustment Dialog

Page 36

S T E P 3

Tone Adjustment

Use Tone Adjustment to enhance the brightness or color of the image in the preview area. Open the [Image] menu and select [Tone Adjustment], or click the [Tone Adjustment] button, to open the Tone Adjustment dialog so you can enhance the preview image.

You can also click the [Auto Tone Adjustment] button so the histogram highlights and shadows are adjusted for you automatically to the optimum settings.

Caution

• Adjustments cannot be made when the ColorSync option is selected (p. 49).

Image Menu

Displays the RGB values at the current cursor position. Pre-adjusted value/ post-adjusted value

Auto Tone

Adjustment

Button

Tone Adjustment

Button

Tone Adjustment Dialog

The Tone Adjustment dialog contains tabs for the following features: histogram, tone curve, brightness/contrast, color balance, and gamma. If black and white has been selected as the scan mode, the threshold feature also becomes available on the histogram tab.

The settings selected in the Tone Adjustment dialog are also reflected in the next preview image. To scan a new item, ensure that you click the [All Reset] button to restore all of the settings to their default values.

Click the appropriate tab.

Here is the Tone Adjustment dialog with all the tabs you will see when color or grayscale has been selected as the scan mode.

Here is the Tone Adjustment dialog you will see when black and white is selected as the scan mode. Only one tab is available.

36

Image 36

Contents Users Guide How to Make Best Use of the Manuals When you open the boxHow to Use this Guide Where to LookAbout the Conventions Used in this Guide Table of Contents Adjusting Scanned Images Installing Plug-in Module CS-U Operating EnvironmentControl Panel Features Image Size ppScanning Procedures E PPlug-in Module CS-U Special Features See the Results of Adjustments Immediately Dynamic PreviewGamma Curve Adjusts Image Brightness ColorSync Ver 2.0 + Compatible for Auto Tone CorrectionInstall Plug-in Module CS-U Quick Start InstructionsStart Plug-in Module CS-U Position materials for scanning and preview themVerify Image Quality with the Browser Function before Specify the Area of the Image to be ScannedClick on the Browser button Selection frame will appear Select the area to be scanned by clicking and draggingScan the Image p Save the Scanned Image pE P Displaying the Plug-in Module CS-U Control Panel RGB ValuesOperating Procedures Procedures Positioning OriginalsPlace the original on the scanners document glass Previewing Click on the Preview buttonSelecting the Output Device Setting the Resolution and Magnification Output Device Resolution= 720 dpi, Magnification= 100%To Set the Magnification Factor Set the desired magnification factor on the control panelSetting the Scan Mode Black and WhiteGrayscale Color DocumentsClick the arrow beside Scan Mode Select a scan mode from the pop-up menuVerifying the Image before Scanning To Verify the ImageRotating the Image Use these buttons to rotate the imageSetting Preferences Output DeviceAspect Ratio Unit Preview WindowReset Default Settings CalibrationClose Plug-in After Scan Operating Procedures Scanning Setting the Scan Area Position the pointer in the preview windowProcedures to Zoom ZoomingSelect the area you want to enlarge with the zoom function Click on the Zoom In button Scanning To Initiate the ScanSpecify the Scan Area Click on the Scan buttonSaving Scanned Images Enter a name for the file and click the Save buttonGrayscale, Color Photos and Color Documents Black & WhiteColor Photos and Color Documents Tone Adjustment Tone Adjustment DialogHistogram Settings How to Interpret HistogramsTo Adjust a Histogram How to Adjust HistogramsClick on the OK button Shadow MarkTone Curve Settings Manipulating the GraphTo Edit the Tone Curve Click the OK buttonRelationship Between the Tone Curve Image Brightness Value =Brightness and Contrast Settings ContrastBrightness To Adjust the Brightness and Contrast Adjusting the Color Balance Operating ProcedureGamma Value Settings Matching the Gamma Value to the Display CharacteristicsGamma value To Change the Gamma Value Settings Adjusting the Threshold Value To Set the Threshold ValueAuto Tone Correction To Set the Auto Tone CorrectionStandard ColorSyncUnsharp Mask Open the Image menu and select Unsharp MaskDescreen Open the Image menu and select DescreenSaving/Recalling Settings To Save Settings in a Settings FileClick the Save button To Recall a Settings File Matching Scan Resolution to Purpose Optical and Enhanced ResolutionsScanning Techniques Appendices Troubleshooting Problem Scan button cannot be selected Error Messages Error MessageCause ResponseGlossary Auto Tone CorrectionBits/Bit Numbers Black Eyedropper ToolColor Channel DotHistogram Image FileMagnification Optical Resolution ResolutionMoiré PixelScan Mode ShadowsThreshold Value Tone CurveIndex Output device 7, 11, 18, 25Page Canon Customer Support Help Desk Canon Computer SYSTEMS, INCOE-040AA 052000 CDS Canon Inc