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42

chapter 3

What is on the
screen?

Glossary

Contents

Index

The Halftone Sheet

The Halftone sheet is displayed only when Black and White has been se-
lected for the Color Mode on the Advanced Mode Main window. You can
set only Threshold in this sheet.

Threshold

Threshold determines whether portions of an original are scanned as black
or white. Drag the slider left to make the image lighter or drag it right to
make the image darker. Or you can also enter a value ( 0 - 255) directly into
the entry box to the right of the slider.
Setting the threshold value higher causes the black portions of the image to
increase. Setting it lower, causes the white portions to increase.

Содержание D1250U2F - CanoScan USB Flatbed Scanner

Страница 1: ...ScanGear CS U 6 3 for CanoScan D1250U2 D1250U2F Color Scanners User s Guide for Windows English ...

Страница 2: ...ide most screen shots are taken with Windows XP When you use Windows 98 Windows Millennium Edition Me or Windows 2000 Professional screen designs are slightly different from this Guide Microsoft and Windows are registered trademarks or trademarks of Microsoft Corporation in the United States and other countries Adobe and Photoshop are trademarks of Adobe Systems Incorporated Canon CanoScan and Col...

Страница 3: ...vanced Mode 23 The Main Sheet 23 The Settings Sheet 27 The Tone Sheet 32 Contrast Brightness Sheet 35 Gamma Sheet 36 Histogram Sheet 38 Special Tone Curves Sheet 40 Editing a Special Tone Curve Directly 41 The Halftone Sheet 42 Chapter 4 Multi Photo Scan 43 Multi Photo Scan 44 Multi Photo mode Simple Mode 45 Multi Crop Advanced Mode 47 Chapter 5 Settings in the Windows Control Panel 49 Opening the...

Страница 4: ...4 Glossary Contents Index chapter 1 Before You Begin Welcome to ScanGear CS U 6 3 System Requirements ...

Страница 5: ...acquired by the parent software application Normally when you start a scanning job you will see the ScanGear CS U main window with its toolbar Preview Area and tabs However some software applications may not open the ScanGear CS U main window When this occurs you cannot use the settings described in this User s Guide because the host software application will provide the settings so you can change...

Страница 6: ... Millennium Edition Windows 2000 Professional Windows 98 Free Hard Disk Space Approx 10MB or more before installation Display 800 x 600 pixels or greater Medium 16 bit High Color 16 bit or greater Interface USB2 0 1 1 On Windows 98 USB2 0 performance not guaranteed CD ROM Drive Required Performance with USB2 0 expansion cards is only limited with the ones Canon Inc guarantees Please refer to the N...

Страница 7: ...7 Glossary Contents Index chapter 2 Simple Mode and Advanced Mode Switching between the Simple Mode and Advanced Modes Simple Mode Main Window Advanced Mode Main Window ...

Страница 8: ...licking a button In the Simple Mode main window click the Advanced Mode button to open the Advanced Mode main window In the Advanced Mode main window click the Simple Mode button to open the Simple Mode main window If you change the settings in either the Simple Mode or Advanced Mode the changes will be reflected in the settings of the other mode Advanced Mode Simple Mode Note ...

Страница 9: ...ar CS U main window in the Simple Mode has only one sheet named Simple Mode All you have to do is select one Image Type setting which sets up the scanning job for you automatically You can accept the settings and start the scanning job or you can make small adjustments to the settings before you begin ...

Страница 10: ...eet or Tone sheet or Halftone sheet You can use precise settings to select the scanning area in the Preview Area adjust the Color Mode and Resolution and take advantage of the wide selection of Tone options adjust the Contrast Brightness Gamma Histogram Special Tone Curve and Threshold If you select Black and White for the Color Mode on the Main sheet the Tone tab is replaced with the Halftone tab...

Страница 11: ...11 Glossary Contents Index chapter 3 What is on the Screen Main Window Toolbar Scanning Buttons Simple Mode Advanced Mode ...

Страница 12: ...What is on the screen Glossary Contents Index Main Window Preview Button Scan Button Clear Button Preview Area Toolbar Window Resize Corner Close Box Tabs Mode Switching Button Status Area Simple Mode Advanced Mode ...

Страница 13: ...Use the Move Image button to scroll the image up down or left right when the previewed image has been enlarged with the Zoom Tool button and is too large to be viewed all at once Click the Move Image button and drag the image with the hand image pointer Zoom Tool Button Click the Zoom Tool button and then click the left or right mouse button to change the size of the Preview image To increase the ...

Страница 14: ...r image Rotate Left Button Click the Rotate Left button to rotate a scanned image left 90 degrees counterclockwise Click this button repeatedly to continue rotating the image left Rotate Right Button Click the Rotate Right button to rotate a scanned image right 90 degrees clockwise Click this button repeatedly to continue rotating the image right Rulers Button Click the Rulers button to display a ...

Страница 15: ...eview image will be reset to the original preview Scan Button Click the Scan button to scan the image on the scanner with any special effects or adjustments that have been applied and send the scanned image to the software application from which you launched ScanGear CS U After you click the Scan button the Scanning dialog box is displayed Click the Cancel button in this dialog box to cancel the s...

Страница 16: ...e Mode sheet is available in the main window Image Source Specifies the source of the original Platen Scans photos or documents Film Scans films CanoScan D1250U2F only Changing the Image Source clears the image from the Preview area and clears all settings set with the Toolbar and Tone sheet buttons Note ...

Страница 17: ...e Color 300 dpi Use this setting to scan color photographs for best quality in the scanned image BJ Printer Color 360 dpi Use this setting to scan a color original that you intend to print on a Bubble Jet printer for maximum quality in the printed image B W Photo Grayscale 150 dpi Use this setting to scan black and white photographs with varying shades of gray B W Photo Fine Grayscale 300 dpi Use ...

Страница 18: ... to 2400 dpi as required When Film is selected for Image Source CanoScan D1250U2F only Color Screen Color Negatives 600 dpi Use to scan the color film as it appears on the monitor Color Print Color Negatives 1200 dpi Use to scan the color film that you intend to print B W Screen B W Negatives 600 dpi Use to scan the B W film original as it appears on the monitor B W Print B W Negatives 1200 dpi Us...

Страница 19: ...d Color The image is scanned in color Text Enhanced Converts grayscale images to black and white using Canon s unique technology This setting produces sharper text that is easier for OCR software to read The Text Enhanced selection requires more time than the Black and White setting because digitization of the scanned image is performed after scanning it in Grayscale Selecting the Color Mode setti...

Страница 20: ...Image Type that can be saved under a new name Edit Image Type Button Click the down arrow for Image Type and select Custom or select a previously saved custom selection and click the Edit Image Type button to open the Image Type Settings dialog box You can create and save up to 12 custom settings of your own When selected Film for Image Source you can edit Film Type in the settings dialog box The ...

Страница 21: ...e A4 Letter Full Platen Changing the Paper Size clears the Preview area and clears all settings set with the Toolbar and Tone sheet buttons Width Displays the width of the scanning area currently selected in the Preview Area You can change the units to measure the scanning area Height Displays the height of the scanning area currently selected in the Preview Area You can change the units to measur...

Страница 22: ...rofessional use and are usually caused by poor dithering resulting from scanning images from newspapers books and magazines This item is grayed out when Film has been selected as the Image Source or when the resolution is more than 600 dpi or when the Color Mode is Black and White or Text Enhanced This function is the same as the Descreen function in the Advanced mode Multi Photo Mode This item is...

Страница 23: ...ns are Black and White Grayscale Color etc Click the down arrow and select a setting from the drop down list Black and White The image is scanned in black and white Grayscale The image is scanned in black and white but if the original is in color most of the colors will be shaded Color The image is scanned in color Text Enhanced Converts grayscale images to black and white using Canon s unique tec...

Страница 24: ...or the scanning job The default setting is 75 dpi Resolution can be set within the range of 25 dpi 2400 dpi entering a value into the entry box increments of 1 dpi is also possible or values of 4800 7200 or 9600 can be entered directly The higher the resolution the better the quality of the displayed image but the slower the scanning speed Make sure you select a setting based on the capability of ...

Страница 25: ...r size To change the Width and Height settings click the Crop button on the toolbar and select a section of the image in the preview area or just type the desired dimensions into the Width and Height text boxes Units Click the down arrow and select a unit to measure the scanning area Changing the Units setting does not affect the image in the Preview Area Keep Proportions Button Click this button ...

Страница 26: ...n options Scale Allows you to specify the image size after scanning 25 to 400 preset to 100 as a percentage of the specified scan area When scanning films 100 to 800 can be specified When the Output Resolution is 4800 7200 or 9600 dpi the Scale is fixed to 100 Sets the scale for the image sent to the application software and has no effect on the image displayed in the Preview Area Multi Crop Click...

Страница 27: ...anoScan D1250U2F only Changing the Image Source clears the image from the Preview area and clears all settings set with the Toolbar and Tone sheet buttons Paper Size This item is displayed only when Platen has been selected as the Image Source Specifies from the drop down list the paper size of the image to be scanned Business Card L Portrait L Landscape Postcard LL Portrait LL Landscape Statement...

Страница 28: ...ré are dot patterns that interfere with processing of images for professional use and are usually caused by poor dithering resulting from scanning images from newspapers books and magazines This item is grayed out when Film has been selected as the Image Source when the resolution is more than 600 dpi or when the Color Mode is Black and White or Text Enhanced If an image is not improved by the Des...

Страница 29: ...rposes Hard Compensates for low contrast dirt and scratches Although it may restore areas under large flecks of dirt or scratches it may leave artifacts after processing You can use this function only when the previewed image appears With large dust and scratches traces may remain after processing with this function Areas under dirt and scratches may not be reduced if the selected scan area is too...

Страница 30: ...lay You are advised to use this mode under normal circumstances Canon ColorGear Color Matching Automatically matches the color settings of the scanner computer display and color printer Select this mode when you wish to set the appropriate color profile to view the colors of the scanned image on the computer display as closely matched to the original image as possible When you specify the Canon Co...

Страница 31: ...d in the Shut off lamp time box the scanner lamp switches off As soon as you start another scanning job the lamp switches on again Shut off lamp time This option is enabled when the Energy Saving Mode is switched on This sets the amount of scanner idle time that elapses before the scanner automatically enters the energy saving mode Select a value default 12 min within the range 10 to 59 minutes Ac...

Страница 32: ...ar Color Matching is not selected on the Settings sheet Changing the Color Mode selection or clicking the Clear button restores the default settings on the Tone sheet Tone sheet adjustment is conducted with the Preview Area Settings can be selected even when there is no image in the Preview Area In this case the settings take effect on the next scanned image These are the Tone sheet buttons that o...

Страница 33: ...pens the Contrast Brightness sheet and allows you to adjust the brightness and contrast of the entire image Gamma Button Opens the Gamma sheet and allows you to shift mid tones so lighter colors are lightened and darker colors are darkened Histogram Button Opens the Histogram sheet and allows you to adjust tone intensity to enhance an image that is either too light or too dark Special Tone Curves ...

Страница 34: ...fined settings are saved to a file adc for color adjustment When the Color Mode is set to Grayscale the user defined settings are saved to a file adg for use in adjusting gray tones The system determines the path and file name for the saved file Reset Button Resets the displayed settings of the channel M R G or B for the function Contrast Brightness Gamma Histogram or Special Tone Curve to the def...

Страница 35: ... in the Preview Area changes to reflect the adjustment Channel If you want to select one of the primary colors RGB to adjust the contrast or brightness click the Channel down arrow and select a color or leave the settings at Master to adjust all the colors Contrast Drag the Contrast slider to the left to decrease the contrast of the image or to the right to increase the contrast of the image Brigh...

Страница 36: ...he trees are dark enough and the white of the boat is light enough but the blue in the sky the blue of the water and the blue of the subject s clothing all look the same By increasing the Scanner Gamma value of the image the sky might become lighter and the water darker giving a better contrast to the image The Monitor Gamma value is a reciprocal number of the Scanner Gamma value Channel If you wa...

Страница 37: ...into either the scanner gamma box or the monitor gamma box will display a respective value in the other box The allowed range of values is 0 10 to 10 00 inclusive The shape of the tone curve changes to reflect the current gamma setting for the current Channel and the image in the Preview Area changes to reflect the adjustment When the Scanner Gamma value is modified the Monitor Gamma value changes...

Страница 38: ...nce an image when the image is either too light or too dark like an overexposed or underexposed photograph Increasing the darker tones with the histogram improves the contrast of the image Channel If you want to select one of the primary colors RGB to adjust the histogram click the Channel down arrow and select a color or leave the setting at Master to adjust all colors ...

Страница 39: ... one of the three triangles at the bottom of the graph to adjust the value The shape of the tone curve and histogram changes to reflect the current Histogram setting for the current Channel and the image in the Preview Area changes to reflect the adjustment A White point value must be larger than a Black point and a Mid point value must be between the Black point and White point Reset Resets the d...

Страница 40: ...colors RGB for adjustment or leave the setting at Master to adjust all the colors Select Special Curve Click the down arrow and select a setting from the drop down list These settings are designed to solve some of the most common problems with scanned images overexposure underexposure or poor contrast No correction Fix an image that is underexposed Fix an image that is overexposed Fix an image tha...

Страница 41: ...ges to a crosshair Curve end points can be selected and dragged to any point in the curve but cannot be deleted Up to 15 points can be added to a curve by clicking anywhere in the curve box If you drag a point outside of a curve box it will be deleted from the curve and a new curve will form with the remaining points The x and y axes on the curve chart represent the input image color and output im...

Страница 42: ...old in this sheet Threshold Threshold determines whether portions of an original are scanned as black or white Drag the slider left to make the image lighter or drag it right to make the image darker Or you can also enter a value 0 255 directly into the entry box to the right of the slider Setting the threshold value higher causes the black portions of the image to increase Setting it lower causes...

Страница 43: ...43 Glossary Contents Index chapter 4 Multi Photo Scan Multi Photo Scan Multi Photo Mode Simple mode Multi Crop Advanced mode ...

Страница 44: ...e Photos With the Multi Photo Scan function the gap between photos is detected using the rear white background of the document cover When you place the photos on the platen note the following This function will not work correctly with a photo that appears whitish overall or has white around the edges This function will not work correctly with items other than photos especially printed or hand writ...

Страница 45: ...dex Multi Photo Mode Simple Mode Procedures 1 Place the photos on the scanner platen 2 Start ScanGear CS U 3 In the ScanGear CS U Simple Mode Main window click the Multi Photo Mode button 4 The Multi Photo Mode wizard will appear Click the Next button ...

Страница 46: ...canning is finished the ScanGear CS U main window appears 6 Click the close box to close ScanGear CS U The scanned images will open in the application software 7 Save the images after adjusting them as required If ScanGear CS U is launched from the application that cannot open two or more images at a time a single image of the multiple photos is sent to the application when the Multi Photo Mode fu...

Страница 47: ...nGear CS U Advanced Mode Main window click the Preview button 4 The photos are previewed and appear in the preview window Click the Multi Crop button 5 The images in the preview window are automatically cropped You can resize each cropped area by dragging the mouse You can delete unnecessary image by right clicking the mouse on the cropped area and clicking Delete ...

Страница 48: ...the ScanGear CS U window appears 8 Click the close box to close ScanGear CS U The scanned images will open in the application software 9 Save the images after adjusting them as required If ScanGear CS U is launched from the application that cannot open two or more images at a time a single image of the multiple photos is sent to the application when the Multi Crop function is used Note ...

Страница 49: ...49 Glossary Contents Index chapter 5 Settingsinthe WindowsControlPanel Opening the Scanners and Cameras Properties Dialog General Settings Events Settings Preferences Settings Color Management Settings ...

Страница 50: ...s operation 1 Click the Control Panel Windows XP In the Start menu click Control Panel In the Control Panel window click Printer and Other Hardware then Scanners and Cameras Windows Me 98 2000 On the Windows desktop click the Start button point to Settings and click Control Panel In the Control Panel window double click the Scanners and Cameras icon 2 Windows XP Me In the Scanners and Cameras wind...

Страница 51: ...pective sheet 4 Confirm that the settings are apropriate Otherwise make changes as necessary After the changes are made click the Apply button to validate the changes 5 Click the OK button The dialog will close and the Scanners and Cameras Properties dialog will be activated 6 Click the OK button The setting are complete The changes will be effective the next time you launch ScanGear CS U ...

Страница 52: ...n for diagnostic testing Test Scanner or Camera Follow the procedures below to execute the scanner diagnostic test 1 Click the Test Scanner or Camera button The scanner diagnostic test will begin If the test detects no problems a message will tell you that the scanner has passed the diagnostic test 2 Click the OK button Note You cannot perform the scanner diagnostic test while ScanGear CS U is sta...

Страница 53: ...n COPY Button Canon E MAIL Button Canon PHOTO Button or Canon SCAN Button Send to this application The list box provides the names of all the TWAIN compliant software applications which can be started when you press the Scanner button on the scanner Click the check box to select the software application to be started by pressing the Scanner button After installing all the software using the CanoSc...

Страница 54: ...g this check box off disables the Start button on the scanner nothing will happen if the button is pressed Note The settings will become effective for the button for which the scanner events have been selected To set both buttons click the Apply button after you have finished the settings for one button and then adjust the settings for the other button ...

Страница 55: ...ow while scanning With such programs the Color Mode setting cannot be changed because the program s settings are used to scan In this setting sheet placing a check mark in the check box of Text Enhanced instead of B W will scan in the Text Enhanced mode regardless of the application program setting Text Enhanced instead of B W When you place a check mark in this check box the scan will be executed...

Страница 56: ...eview Area Display saved preview image This setting switches the preview image cache feature on When this feature is selected the image in the Preview Area is saved when ScanGear CS U is closed and then displayed again the next time ScanGear CS U is launched None Click this button to switch the automatic preview and preview image cache features off The tone tab settings are saved when the preview ...

Страница 57: ... for Canon ColorGear Color Matching Click the Canon ColorGear Color Matching check box on in the Preferences sheet The sRGB Color Space Profile is added automatically when ScanGear CS U is installed If several profiles have been added only the most recent addition is enabled Even if you delete all profiles the sRGB Color Space Profile will remain automatically selected ...

Страница 58: ...58 Glossary Contents Index Glossary ...

Страница 59: ...complexity of a graphic image One bit or bi level images are black and white This is the Black and White setting in ScanGear CS U Eight bit grayscale uses 256 shades of gray to accurately represent most black and white photographs or gray interpretations of color images This is the Grayscale setting in ScanGear CS U Twenty four bit color also called True Color uses three eight bit channels one cha...

Страница 60: ...e Color images contain 8 bits per pixel each for red green and blue channels therefore each pixel has 24 bits If you are scanning a color image you can change the brightness and contrast of the individual red green and blue tones in your image Color Mode The type of scan used to scan an image differentiated by the number of bits per pixel ScanGear CS U has the following Color Modes Color Grayscale...

Страница 61: ...ge and the available feature settings Default The preset factory settings on hardware or software Executive A standard U S paper size measuring 7 25 x 10 5 in 184 2 x 266 7 mm Full Platen The maximum scanning area on the scanner s document glass 216 x 297 mm width of U S Letter and length of A4 paper sizes Gamma Curve The Gamma Curve lets you change the midtones of colors to increase the contrast ...

Страница 62: ...tion of bright and dark pixels for each color channel in the previewed image The Eyedropper tool on the histogram graph lets you redefine the tonal profile Magazine Reduce Moiré Descreen Moiré patterns are caused by poor dithering as a result of scanning images from published materials such as newspapers magazines and books When this feature is on moiré reduction smoothes the overall appearance of...

Страница 63: ...ted to the left of the ScanGear CS U main window where the image is displayed before the scan occurs When you click the Preview button the image on the scanner is scanned into the Preview Area but not acquired by the application Reduce Dust and Scratches This function automatically produces a scanned photo image with the area under small bits of dirt or scratches reduced Resolution The degree of d...

Страница 64: ...ne sheet The Tone sheet contains tools that let you adjust and correct the image tone The Tone sheet tools include Auto Tone Contrast Brightness Gamma Histogram and Special Tone Curves TWAIN TWAIN refers to an industry standard for transferring information from devices such as a scanners or digital cameras to your computer One interpretation of the acronym is Technology Without An Interesting Name...

Страница 65: ...65 Glossary Contents Index Index ...

Страница 66: ...r Button 12 15 Close Box 12 Color Channels 60 Color Management Settings 57 Color Mode 19 23 60 Black and White 19 23 Color 19 23 Grayscale 19 23 Text Enhanced 19 23 Color Settings 30 Canon ColorGear Color Matching 30 Recommended 30 Contrast 35 60 Contrast Brightness Button 33 Contrast Brightness Sheet 35 Crop 61 Crop Button 13 Curve chart 61 D Default 61 Descreen 28 62 E Edit Image Type Button 20 ...

Страница 67: ...e Sheet 42 Halftoning 62 Height 21 Help Button 14 Histogram 62 Histogram Button 33 Histogram Sheet 38 I Image Source 16 27 Image Type 17 L Load Button 34 M Magazine Reduce Moiré 22 62 Main Sheet 23 Mid point 39 Mirror Button 14 Mode Switching Button 12 Move Image Button 13 Multi Crop 26 47 62 Multi Photo Mode 22 45 62 Multi Photo Scan 44 N Negative Positive Button 14 O OCR 63 Output Resolution 24 ...

Страница 68: ...14 Rulers Button 14 S Save Button 34 Scan Button 12 15 Scanner Gamma 37 Scanners and Cameras properties 50 Select Special Curve 40 Selection 25 Keep Proportions button 25 Units 25 Width and Height 25 Settings Sheet 27 Shut off lamp time 31 Simple Mode button 8 Simple Mode Main Window 9 16 Simple Mode sheet 16 Size 21 Special Tone Curves 41 Special Tone Curves button 33 Special Tone Curves Sheet 40...

Страница 69: ...69 Index Glossary Contents Index U Unsharp Mask 28 64 W White point 39 Width 21 Window Resize Corner 12 Z Zoom Tool Button 13 ...

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