User manual MICROTEK PC M SWPRO 0200

[. . . ] Microtek ScanWizard Pro User's Guide for Windows Copyright © 2000 by Microtek International, Inc. All rights reserved. Trademarks Microtek, ScanMaker, and ScanWizard Pro are trademarks of Microtek International, Inc. IBM PC is the trademark of International Business Machines Corporation. Other product or company names are trademarks or registered trademarks of their respective holders. Important Documents that you scan may be protected under copyright law. The unauthorized use of such documents could be a violation of the rights of the copyright holder. [. . . ] The solution; truncate or narrow the scanner's range of density to the actual density range of the image (or smaller). This would then redistribute the small density range of the image to the maximum range of the scanner output, and thus restore contrast to the image. 2 Click the Overview button to start an overview, and you will see the image appear in your Preview window. 3 Select the area to be prescanned with the Scan Frame tool, then click the Prescan button to obtain a prescan image, and switch to the Prescan view from the View menu. The Dynamic Range screen will then appear. Corrected image and lightness histogram with density correction, showing a broader tonal range Original image and lightness histogram without density correction, showing narrow tonal range 5 Adjust the Dmin and Dmax values to an optimized range. To do this, move the sliders to the boundaries on both ends of the histogram. 6 Click OK to confirm the correction. NOTE In the default Automatic setting, ScanWizard Pro optimizes density capture range automatically. You only need to use the Dynamic Range tool if you wish to further enhance image contrast. 4-8 ScanWizard Pro for Windows User's Guide Use the Dynamic Range tool to set the density capture range of the scanner. In the example below, the original has a narrow image histogram skewed heavily to the right. In the corrected version, the dynamic range is adjusted more evenly or spread out toward the left, enhancing contrast to the image. 4 6 6 5 Using AIC Tools 4-9 Using the White & Black Points Tool The White & Black Points tool is used to change the shadow and highlight points of an image. (See note on next page for additional descriptions. ) By using this tool, you can manipulate an image to either bring out the highlights in a very dark image, or bring out more of the shadows in a very light image. The White & Black Points tool can also be used to neutralize the color cast in the highlight and shadow regions. In the example here, we need to set the shadows and highlights, as well as correct the color cast on both highlight and shadow regions. 2 Click the Overview button, and you will see the image appear in your Preview window. 3 Select the area to be prescanned with the Scan Frame tool, then click the Prescan button to obtain a prescan image, and switch to the Prescan view in the View menu. 5 Check the Shadows and Highlights Auto Neutralize options to "On" (default). This helps to neutralize the color cast in the shadow and highlight areas of the image. This will automatically set the optimal highlight and shadow points for the image. 7 Check the Preview box so that the image in the Preview window is updated with the latest image correction. The update is done in the background and so may take a few seconds to show. 8 Click OK to confirm the correction. Image corrected with White & Black Points tool Original image 4-10 ScanWizard Pro for Windows User's Guide Use the White & Black Points tool to set the shadow and highlight points of an image, as well as to neutralize the color cast in shadow/highlight regions. In the example below, the original has a slight color cast in the shadow and highlight portions of the image. [. . . ] You may, however, change and update your existing settings after installation by clicking the Color Matching Setup command from the Reference menu. The default profile for color monitor is "Generic P22 1. 8 Gamma Monitor" and printer will set to "Display. " Monitor selection shown here is set at default profiles for monitor and printer This is dimmed when operating under LCH mode CMYK printer profile. Must select one if required Display using monitor compensation This check box controls the option on how the RGB destination data will be displayed. If check box is unchecked (disabled), the RGB data is displayed directly to the monitor. [. . . ]