f o r M a c i n t o s h Canon Plug-in Module CS-U 4.
How to Make Best Use of the Manuals When you open the box Printed Manual CanoScan D1230U/D2400U Quick Start Guide Electronic Manual CanoScan D1230U/D2400U Product Guide Describes operating procedure from set up and software installation to scanning and confirmation of operation. Please read before using the scanner for the first time. Describes handling and care of the scanner, and introduces the accompanying software programs.
How to Use this Guide This guide explains the operating procedures for Canon Plug-in Module CS-U (hereafter referred to as Plug-in Module CS-U), the Macintosh driver (plug-in software) used with Canon image scanners. A plug-in is not an independent software program; it must be used within a plug-in compliant application, such as CanoScan Toolbox or Adobe Photoshop LE, to expand the capabilities of that program. Adding scanning capabilities to your computer is as easy as putting in a plug.
Table of Contents How to Make Best Use of the Manuals .................................................................. 2 How to Use this Guide ........................................................................................... 3 Table of Contents ................................................................................................... 4 Installing Plug-in Module CS-U ............................................................................... 6 Control Panel Features .................
STEP 3 39 Adjusting Scanned Images .......................................................... 39 Tone Adjustment .................................................................................................. 40 Histogram Settings ............................................................................................... 41 Tone Curve Settings ............................................................................................. 44 Brightness and Contrast Settings ............................
Installing Plug-in Module CS-U Please install Plug-in Module CS-U with the other application programs according to the instructions in the “Install the Software” section of “Using the Macintosh Platform” of the Quick Start Guide supplied with the scanner.
Control Panel Features When you need more information about a control panel button or menu, refer to the illustration below and go to the referenced page number for more details. • The illustration may differ slightly from the version of Plug-in Module CS-U provided in your package. ➜ pp. 25-28 ➜ p. 53 ➜ p. 40-52 ➜ p. 55 ➜ p. 54 ➜ p. 56 Available whin [Film] is selected in the Preferences menu.➜ p. 35 ➜ p. 52 Close Box ➜ p. 14 RGB values ➜ p. 14 Scan Mode ➜ p. 21 Output Device ➜ p. 18 Resolution ➜ pp.
Scanning Procedures Follow these procedures to use Plug-in Module CS-U. Is Plug-in Module CS-U installed? Refer to the scanner's Quick Start Guide to install it. Is the scanner attached? Refer to the scanner's Quick Start Guide to attach it. S T E P 1 Prepare for Scanning ➜ p. 13 • Position the Original • Preview p. 16 p. 17 • Select the Output Device p. 18 • Set the Resolution and Magnification p. 19 • Set the Scan Mode p. 21 Verify the Image before Scanning (Browser Window) ➜ p.
Plug-in Module CS-U Special Features • See the Results of Adjustments Immediately (Dynamic Preview) Once in preview mode, the results of adjustments to scan mode settings and colors are promptly reflected in the preview image. Highly detailed adjustments can be performed easily because you can see the results of your changes as they are executed. • ColorSync™ (Ver 2.0 +) Compatible for Auto Tone Correction Compatible with the Mac OS 8.5 ColorSync™ (Ver 2.0 +) color management software.
Quick Start Instructions Follow the procedures below to start scanning immediately. If you require more information at any stage, read the pages referenced at each step. 11 2 3 Install Plug-in Module CS-U This step is not required if you have already installed Plug-in Module CS-U following the instructions in the Quick Start Guide. 1. Place the CanoScan Setup Utility CD-ROM into the computer's CD-ROM drive. The CanoScan Setup Utility will start automatically.
4 4 55 Set the Scan Mode, Output Device, Resolution and pp. 18-22 Magnification • Scanning mode determines how the image is scanned (p. 21). • Output device setting optimizes the images for particular uses (p. 18). • Resolution determines the amount of detail in the scanned image (p. 19). • Magnification determines the amount of enlargement or reduction of the output image display (p. 19). Verify Image Quality with the Browser Function before Scanning p. 23 1. Click on the [Browser] button.
7 Scan the Image p. 33 Click on the [Scan] button. • Plug-in Module CS-U will scan the image. • When the scan is complete, close the Plug-in Module CS-U control panel. The scanned image will appear in the Adobe Photoshop LE or other plug-in compatible application window as an “Untitled” file. 8 Save the Scanned Image p. 34 Save the image with Adobe Photoshop LE or other plug-in compatible application, specifying a folder and file name.
S T E P 1 Scanning Preparations Step 1 presents the essential preparations for scanning. The following procedures are explained on the indicated pages. ■ Displaying the Plug-in Module CS-U Control Panel p. 14 ▼ ■ Positioning Originals p. 16 ▼ ■ Previewing p. 17 ▼ ■ Selecting the Output Device p. 18 ■ Setting the Resolution and Magnification p. 19 ■ Setting the Scan Mode p. 21 ▼ ■ Verifying the Image Before Scanning p. 23 ■ Rotating the Image p. 24 ■ Setting Preferences p.
S T E P 1 Displaying the Plug-in Module CS-U Control Panel The Plug-in Module CS-U control panel is used to perform scans. Plug-in Module CS-U can be opened from CanoScan Toolbox or Adobe Photoshop LE and other plug-in compatible application programs. To quit Plug-in Module CS-U, click on the close box at the top left of the control panel. Adjusts the settings for the scanning job such as the scan mode, output device, resolution and magnification. Close Box Quits Plug-in Module CS-U.
S T E P 1 Operating Procedures The following provides an example of scanning from within Adobe Photoshop LE. Verify that the scanner is attached to your computer and that the power is on. Read the Getting Started guide for instructions on how to connect the scanner. Start Adobe Photoshop LE. Select Plug-in Module CS-U from within Adobe Photoshop LE. Open the [File] menu, select [Import] and [CanonPI CS-U 4.1.0...]. The Plug-in Module CS-U control panel will display.
S T E P 1 Positioning Originals Place the original you intend to scan on the scanner's document glass (platen). Procedures Place the original on the scanner's document glass. Open the cover and set the original face down on the scanner’s document glass with the top edge at the back of the scanner. Align the original’s corner with the alignment mark. Alignment Mark Close the cover carefully so the original does not shift out of position.
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.
S T E P 1 Selecting the Output Device Use the following procedures to select the output device (printer, etc.) for the scanned image. Select the device that corresponds best to your output device and use of the image. Operating Procedures Click the arrow on the [Output Device] section of the control panel and select a device from the pop-up menu. Caution • You can set the device categories in the pop-up menu in advance. You can also add new devices to the pop-up menu. See Setting Preferences (p. 25).
S T E P 1 Setting the Resolution and Magnification The magnification of an image can be changed before scanning to accommodate reproductions that are larger or smaller than the original. The settings can be changed in increments of 1%. 12"/30cm Scanning at 200% 6"/15cm 8"/20cm Scanning with horizontal/ vertical 2x magnification 4"/10cm Scanning at 50% 3"/7.5cm 2"/5cm Scanning with horizontal/ vertical 0.
S T E P 1 To Set the Magnification Factor Set the desired magnification factor on the control panel. Slider Drag the slider bar in either direction or use the arrow keys to change the resolution. Click the up or down arrow to increase or decrease the setting. Click here to return the magnification factor to 100%. Click inside these boxes to enter values directly.
S T E P 1 Setting the Scan Mode When an image is scanned, it is read as a collection of “dots.” The scan mode that is selected determines how each of these dots is represented in the output. The following four scan modes are available. Black and White Expresses images in two colors only: black or white. A dot is expressed as either black or white according to its brightness level and the value set as the threshold value, which can be freely set. Select this mode to output to a monochrome printer.
S T E P 1 Operating Procedures Click the arrow beside Scan Mode. Selecting the box opens the pop-up menu. Select a scan mode from the pop-up menu. Caution • If you select 14/16 bit Grayscale or 42/48 bit Color for a software application that does not support these options, the system may hang up when you attempt to execute the scanning job with either selection.
S T E P 1 Verifying the Image before Scanning Before initiating the final scan, it is advisable to check the intended results with the Browser function. The image in the browser window is more accurate than the one in the preview window, allowing you to verify the results more precisely before scanning. To Verify the Image Set the magnification and scan mode to the appropriate settings. Click on the [Browser] button.
S T E P 1 Rotating the Image You can rotate the image in the preview window clockwise to the right or counterclockwise to the left in increments of 90 or 180 degrees. To rotate the image, click the appropriate button. Caution • If you rotate the image in the preview area, the scanned image will also rotate.
S T E P 1 Setting Preferences The Preference settings determine how Plug-in Module CSU operates for the following options: output device (printer, files), scan area setting method, size display units, preview window size. You can change these options at any time or restore the factory default settings. To change any of these options, use the Preferences menu. Output Device Adds new output devices or file formats to the pop-up menu in the control panel. Devices are displayed by name.
S T E P 1 Unit Specifies the units that define the size of the scanned image. Unit Settings Dialog The units displayed in this section of the control panel will change. Preview Window You can size the preview window and set its resolution. Enter a large value for a large preview window size. You can also use this feature to set the auto preview and preview cache options. Preview Window Settings Dialog Allows you to enter values and change settings for the preview window options.
S T E P 1 Shut off lamp time This option turns off the scanner lamp, which is otherwise continually on while the power is on, to save power if it remains idle for a specified length of time. It can be set to any interval of 4 minutes between 4 and 56 minutes (the actual shut off time may vary slightly from the specified interval). This setting is automatically set to 12 minutes when Plug-in Module CS-U is first installed.
S T E P 1 Operating Procedures Open the [Preferences] menu in the control panel. Select the desired option from the pull-down menu. • Selecting any one of the Output Device, Aspect Ratio, Unit or Preview Window options displays the respective dialog. Choose the desired value in the dialog and select [OK] to change the setting. • A confirmation dialog will display if Reset Default Settings is selected. The settings will be reset if [OK] is selected in that dialog.
S T E P 2 Scanning Step 2 presents the procedures for conducting the final scan, saving the scanned image in a file and editing image files. Follow the procedures below to perform the final scan. ■ Setting the Scan Area p. 30 ■ Zooming p. 31 ▼ ■ Scanning p. 33 ▼ ■ Saving Scanned Images p. 34 ■ Scanning Film p.
S T E P 2 Setting the Scan Area Using the image in the preview window, you can define the actual area to be scanned. Operating Procedures Position the pointer in the preview window. The [+] symbol marks the current position of the pointer. Click and drag the mouse in the direction you want to define on the image as a frame. The selected area is enclosed in a dotted frame. The area enclosed in this dotted frame is the area that will actually be scanned.
S T E P 2 Zooming You can specify a selected area of the image for enlargement with the zoom features. You can use the zoom function to select an area with high precision, or to select small areas for scanning. Procedures to Zoom In Select the area you want to enlarge with the zoom function. See Setting the Scan Area (p. 30).
S T E P 2 Click on the Zoom In button . The selected area will be displayed in expanded form. If you want to enlarge the image again, reduce the size of the area selected with the frame and click the Zoom In button again. ➟ Click the Zoom Out button Click the Zoom Reset Button to restore the view prior to zooming. to restore the size just after previewing. Hint • The image cannot be zoomed unless an area is selected. • The selection can be zoomed up to six times consecutively.
S T E P 2 Scanning Once you have set the magnification and scan mode, you may proceed with the scan. Once the scan is complete, close Plug-in Module CS-U. The scanned image will appear in the application software, such as CanoScan Toolbox or Adobe Photoshop LE. To Initiate the Scan Specify the Scan Area. See Setting the Scan Area (p. 30). Click on the [Scan] button. ➟ • The scan will start. Click (close box) to guit the Plug-in Module CS-U.
S T E P 2 Saving Scanned Images Follow this procedure to save a scanned image with the parent software application. The example below shows how to save a scanned image with Adobe Photoshop LE. See the Adobe Photoshop LE User’s Guide. Operating Procedures After an image is scanned, the image is displayed as “Untitled.” When you save the image you can give the file a name and select the folder where it is to be stored. Open the [File] menu and select [Save As...]. The Save dialog will open.
S T E P 2 Scanning Film Use the following procedures to scan films when the Film Adapter Unit FAU-S12/ FAU-S13 option is attached. Caution • Please see the Film Adapter Unit documentation for installation and film placement instructions. Operating Procedures Insert the film into the film guide and place the assembly on the scanner’s document glass (platen). Close the film adapter unit. Open the [Preferences] menu and select [Film].
S T E P 2 Select the appropriate film type and size. • Click beside the positive or negative film option and one of the 35 mm, 120 format and 4x5 inch sizes as appropriate. Also set [Auto Exposure] option on or off. Auto Exposure This function is available when [Film] is selected. When On, this function automatically sets the exposure data (light intensity and compensation for each RGB channel) to match the brightness of the film and produce the best scanned image.
S T E P 2 Preview the film and select the area you want to scan. Set the scan mode, resolution, magnification and tone adjustment settings as required. With CanoScan D2400U, [Remove Dust and Scratches] function is available.(p. 38) Click on the [Scan] button.
S T E P 2 Remove Dust and Scratches (CanoScan D2400U only) This function is available with CanoScan D2400U and FAU-S13 when [Film] is selected in the [Preferences] menu, and the film type is set to [Color Positives] or [Color Negatives]. The FARE (Film Automatic Retouching and Enhancement] function automatically produces a scanned image with the areas under small bits of dirt or scratches removed. The available settings are [None], [Soft], [Standard] and [Hard].
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. 8-bit/14/16bit Grayscale and 24-bit/42/48bit Color: Black & White: 24-bit Color: ■ Tone Adjustment p. 40 ■ Histogram Settings p. 41 ■ Tone Curve Settings p. 44 ■ Brightness and Contrast Settings p.
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.
S T E P 3 Histogram Settings The data comprising an image contains a variety of brightness settings ranging from shadows to highlights. These settings are represented in Plug-in Module CS-U by values ranging between 0 and 255. The difference in these values determines the image’s contrast. To show how much of the image data falls into each brightness setting, Plug-in Module CS-U contains a histogram feature that shows this data distribution clearly.
S T E P 3 How to Adjust Histograms To change the contrast in an image, the distribution of data between shadows and highlights can be adjusted by dragging the shadow and highlight marks at the bottom of the histogram. All of the data lying to the outside (left) of the shadow mark is changed to a zero value and all of the data lying to the outside (right) of the highlight mark is changed to a 255 value. The examples below show adjustments to improve the contrast.
S T E P 3 The histogram settings can be adjusted for all channels (Master) or for individual channels (R, G, B). The selectors are displayed to the left of the histogram graph (Master, R, G, B). The Master selection is unavailable if Grayscale has been selected as the scan mode. Shadow Mark All of the data to the left of this mark is set to the shadow (0) value. Drag the mark to the right or left.
S T E P 3 Tone Curve Settings You can edit the tone curve directly by changing the shape of the line on the graph. When you change the setting by manipulating the curve, you can perform fine adjustments in the brightness of only the shadows, only the highlights, or both the shadows and highlights. Hint • You cannot use this feature with the black and white or color scan modes when ColorSync is selected.
S T E P 3 To Edit the Tone Curve In the Tone Adjustment dialog box, click the tone curve tab. Change the tone curve in any direction to adjust its shape. You can adjust the setting for each channel: R (red), G (green), B (blue) or M (master). You can adjust each channels independently. (You can adjust RGB only for a color image.) To create a control point on the line, just click anywhere in the graph. After a control point is displayed in the line you can click to move it in any direction.
S T E P 3 The Relationship Between the Tone Curve and Image Brightness Gamma Value = 1 Input and output and are equal and the curve appears as a straight line, and the input image is displayed on the screen without adjustment. Output The Gamma values fall with a range of 0.01 to 10.00. A value of 1 appears as a straight line in the graph, and if the value is any value other than one, the line on the graph will appear curved.
S T E P 3 Brightness and Contrast Settings You can adjust the image with two slide bars, one for contrast and one for brightness. Use this method to adjust an image before scanning if it is slightly out of focus or too dark. Hint • You cannot use this feature with the black and white or color scan modes when ColorSync is selected. Contrast Contrast is the difference between the lightest light and the darkest dark in the image.
S T E P 3 To Adjust the Brightness and Contrast In the Tone Adjustment dialog click the brightness/contrast tab. Adjust the brightness/contrast settings by dragging the slidebars, changing the value with the spinbox buttons, or entering the value directly into the entry box. Drag the slidebar left or right to adjust the brightness setting. You can also click the up or down arrow in the spinbox to raise or lower its value or enter a number directly into the entry box (-127~+127).
S T E P 3 Adjusting the Color Balance You can enhance color matching by adjusting the color balance of one or all of the three primary colors: red, green and blue (RGB). Use this feature to adjust the color balance when you see an over-abundance of a color in a scanned image. Hint • You cannot use this feature with the black and white or grayscale scan modes, or with the color scan modes when ColorSync is selected.
S T E P 3 Gamma Value Settings By adjusting the gamma value, you can more closely match brightness of the displayed image to the printed image. Adjust this value if what you see on the screen is very different from your printout. Hint • You cannot use this feature with the black and white scan mode, or with the color scan modes when ColorSync is selected.
S T E P 3 To Change the Gamma Value Settings Click the gamma tab in the Tone Adjustment dialog. Click a pre-set value or the custom option. Click the appropriate radio button to select a numerical setting. After you click the [Custom] button, you can drag the slidebar to adjust the setting, or you can enter a value directly into the entry box. Drag left or right to change the setting.
S T E P 3 Adjusting the Threshold Value When the scan mode is set to black and white, the image brightness can be adjusted. The threshold value setting determines whether a halftone will be expressed as a black or a white data point. The possible threshold values range between 0 and 255. Below a given threshold value, all data is converted to black. Likewise, all data with a value above the threshold is converted to white.
S T E P 3 Auto Tone Correction When the selected scan mode is Color, you have three options for adjusting the color: Recommended, ColorSync or None. The default setting is [Recommended]. Recommended: Reproduces the colors of the scanned item vividly on a computer display. You are advised to use this mode under normal circumstances. ColorSync: Automatically matches the color settings of the scanner, computer display and color printer.
S T E P 3 Unsharp Mask The Unsharp Mask function enhances the outlines of an image. When set to On, this function makes the image outlines appear sharper without changing the brightness, contrast or color balance, giving it a natural look. It is particularly useful for scanning images that are slightly out of focus. The function is on when a check mark appears beside it and off when there is none. The default value is On. Caution • This setting is not available for the black and white scanning mode.
S T E P 3 Descreen Select this option if you want Plug-in Module CS-U to conduct moiré reduction to improve the overall image quality. Moiré are dot patterns that interfere with processing images for professional use and are usually caused by poor dithering resulting from scanning images from newspapers, books, magazines, etc. Caution • When you select [Film] in the [Preferences] menu, the Descreen function is not available.
S T E P 3 High-speed Scan Mode This function is available when the image source is set to [Platen]. When a check mark is placed beside this option, scanning can be accomplished faster because the lamp output data (auto color adjustment data) from the first pass is used for subsequent passes. The default setting is Off for this function. Caution • When you select [Film] from the [Preferences] menu, the High-speed Scan Mode is not available.
S T E P 3 Saving/Recalling Settings The scan mode, resolution and preference settings can be saved with a preview image to a settings file and recalled for future processing. The user may freely assign a name to the settings file. It is convenient to save frequently used settings in a file. Hint • In addition to settings, the settings file may also be used to store preview images. It is useful to save the preview image with the settings to quickly grasp to which image the settings apply.
S T E P 3 To Recall a Settings File Open the [Setting File] menu and select [Load]. Select the folder where the file is stored and click the name of the file you want to load. Click the [Open] button. The file you selected opens and the settings stored in the file are enabled for the Tone Adjustment settings.
S T E P 3 Scanning Techniques Matching Scan Resolution to Purpose Plug-in Module CS-U provides many choices of resolution. The resolution you choose should depend upon your output device, the intended purpose of the image, the type of image and your scanner. It is generally recommended that you scan at a higher resolution than required for output. This ensures that you obtain the best quality image, which can then be reduced with an image editing program to suit specific purposes.
Appendices ■ Troubleshooting p. 61 ■ Error Messages p. 65 ■ Glossary p. 66 ■ Index p. 71 ■ Canon Customer Support Help Desk p.
Troubleshooting Please refer to the following information if you encounter a problem using Plug-in Module CS-U. For further details, refer to the Troubleshooting item on the CDROM provided with your scanner. If your problem lies outside the solutions provided below, consult the retail outlet from which you purchased the software or the closest Canon Customer Support Help Desk. Hint • Before you call for assistance, read Quick Start Guide or Troubleshooting.
Problem: Scan button cannot be selected ➤Solution 1: A scan cannot be performed if the scan area is set too small (less than 64 x 64 pixels). Increase the size of the scan area ➤Solution 2: A scan cannot be performed unless a scan area is specified. Specify a scan area ➤Solution 3: A scan cannot be performed if the required memory is larger than the free memory. Change the resolution (➜ p. 19) or scan area (➜ p.
Problem: No free disk space message displays when you start a scan ➤Solution: Since there is insufficient free space on your hard drive, clear nonessential files to create more space. Problem: Scanning is taking a long time ➤Solution: Resolution is set too high. Lower the resolution to the minimum required settings and rescan. Problem: Can’t scan with the film adapter unit ➤Solution: Set the film guide correctly on the document glass (platen). See the user guide for the film adapter unit.
Problem: Scanning quality is poor ➤Solution 1: Resolution is too low. Raise it and rescan. ➤Solution 2: Original is floating off the document glass (platen). Place the original correctly on the document glass. ➤Solution 3: Document glass or underside of the document cover is dirty. Clean them. Problem: Smudges are appearing on glossy color photo scans ➤Solution: Photos are adhering to the document glass are causing the light to refract, creating the striped patterns.
Error Messages Error Message Cause Response Scanner is not connected. Connect the scanner. • AC adapter and USB cable not connected correctly. • Use the USB cable to connect the Macintosh to the scanner properly and connect the AC adapter correctly to the scanner. Scanning unit is locked. Release the lock switch and connect the PC to the scanner again. • The scanning unit lock not released. • After releasing the lock, temporarily disconnect the AC adapter or USB cable.
Glossary Auto Tone Correction A function that uses brightness/contrast and gamma value settings to automatically analyze and adjust images. Bits/Bit Numbers Each dot of a 1-bit image is assigned either black or white according to the threshold brightness value, resulting in the image being reproduced in just those two colors. Each dot of an 8-bit grayscale image can be assigned any one of 256 tones of gray, ranging from pure white to black. Each dot of a 24-bit color image can be assigned any one of 16.
Color An image mode that scans an image as red, green and blue (RGB) light and can reproduce each one of these three colors in 256 distinct tones (8 bits). Since 256 x 256 x 256 = approximately 16.7 million, this many color tones are possible in this mode. ColorSync A color management system for Macintosh computers. Automatically compensates for color differences between scanners, monitors and printers. ColorSync requires that a color profile file be included for your specific monitor or printer.
Grayscale An image mode that scans only the brightness data of an image and reproduces the image in white, black and 254 shades of gray (256 tones or 8 bits). Histogram A graph indicating the distribution of brightness data in an image. A dot is assigned a brightness value ranging from 0 (shadows) to 255 (highlights). The histogram shows how much image data there is at each brightness value. Adjusting the histogram changes the image contrast.
Pixel An abbreviation of picture element, the smallest element on a monitor screen. Plug-in Software A program that extends the functionality of an application program. Plug-in Module CS-U is a driver plug-in that adds scanning capabilities to programs such as CanoScan Toolbox and PhotoStudio 2000. Preview Area Area at the right of the Plug-in Module CS-U window used to display preview images. Clicking the [Preview] button causes the scanner to scan its platen and reproduce the image in the preview area.
Scan Mode Any one of the various methods used to reproduce image data. Scan modes are distinguished by the number of bits used to describe each pixel. Plug-in Module CS-U features the following scan modes. • 24 bit Color: assigns 8 bits of data for each color channel (RGB) in each pixel. Each pixel is therefore assigned 24 bits. • 42/48 bitColor: While the Color mode scans at 8 bits per RGB channel, this mode scans at 14 or 16 bits per channel to achieve a particularly high-quality image.
Index A H Alignment mark 16 Application Compatible 15 Stand-alone 15 Aspect ratio 25 Auto Tone Adjustment button 7, 40 Highlight mark 42 Highlights 41 Histogram 41, 68 Histogram tab 42 B Black and White 21 Black Eyedropper button 43 Brightness 47 Brightness/Contrast tab 47 Browser button 7, 11, 23 I Image file 68 Image menu 40 Image size 7 Install 6, 10 L Load Settings file 53 C M Calibration 17 CanoScan Setup Utility CD-ROM 10 Close box 7, 14 Color 67 Color balance 49, 66 Color balance tab 49 Colo
S Save Scanned image 12, 34 Save Settings file 57 Scan 12, 33 Scan area 11, 30 Scan button 7, 12, 33 Scan Mode Black and White 21 Color (24/42/48 bit) 21 Grayscale (8/14/16 bit) 21 Scan mode 7, 11, 21, 70 Scanning 70 Scanning resolution 19, 59 Screen gamma value 51 Settings file 57 Shadow mark 42 Shadows 41, 70 Special features 9 Start Plug-in Module CS-U 10 Tone curve 44, 70 Tone curve tab 45 Tone curve value 46 U Unit 26 Unsharp mask 54, 70 W White Eyedropper button 43 White Eyedropper tool 70 Z Zoom
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