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Understanding EPSON TWAIN Pro Features / Using the EPSON TWAIN Pro Main Dialog Box
Preview menu
Click the Configuration button to open the Configuration dialog box, where you can make a variety of configuration settings related to the Preview window and the previewed image, color adjustment, and the Densitometer.
This menu allows you to make basic settings that affect the properties of the Preview window.
Select the size of the Preview window. Your choices are Large, Medium, and Small.
Enables high-speed loading of the previewed image. If this is selected, the document is scanned quickly at draft quality. If this is not selected, the previewed image is scanned at a high quality, and you can get accurate values for the Highlight, Shadow, and Gray Balance Intensity by sampling with the eyedropper in the previewed image.
Do not select this setting when quality is more important than speed.
This setting allows you to specify the area in pixels that is sampled when using the eyedropper to make the Highlight, Shadow, and Gray Balance Intensity settings. You can choose from the following settings: 1 x 1 pixel, 3 x 3 pixels, and 5 x 5 pixels.
 | Note: |
 | If you select the 3 x 3 pixels or 5 x 5 pixels setting, an average of the color values of the sampled pixels is used when adjusting the Highlight, Shadow, or Gray Balance setting. |
Click the Color tab to display the Color menu.
This menu allows you to make a variety of settings related to color adjustment and color management. Choose the appropriate setting from the list below.
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Setting |
When to Select |
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Color Controls |
When not using a color management system with EPSON TWAIN Pro |
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ICM (for Windows), or ColorSync (for Macintosh) |
To use color management system profiles with EPSON TWAIN Pro |
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No Color Correction |
To make a color profile using a color calibration device |
| Note: |
| Depending on the version of Windows you are using, some settings may not be available. See below for details. |
The Color Controls setting allows you to make settings that affect the gamma for your monitor and the way the Auto Exposure feature works.
You can change the gamma value for your monitor by typing a value in the Display Gamma box, or by clicking the arrows next to the box. You can choose between values of 1.0 to 3.0 in increments of 0.1. The default setting is 1.8.
The Display Gamma setting also determines how clicking the 
Auto Exposure button affects the Gamma setting.
Select this check box to make the Auto Exposure feature work whenever you click the Preview button, modify the size of the preview with the zoom feature, make a marquee, or modify the size or change the location of a marquee. If this check box is clear, the Auto Exposure feature will only work when you click the Auto Exposure button in the Preview window.
| Note: |
| This feature is only available when Color Controls is selected. |
Select this setting to reproduce the colors in your image using the available color management system for your computer: ICM for Windows, or ColorSync for Macintosh. Selecting this setting enables you to choose a color profile for your scanner in the Source (Scanner) list box, and a color profile for your monitor or output device (such as printer) in the Target list box. After the image is scanned, it is converted according to these settings before it is sent to the application.
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Choose a color profile for the scanner you are using from this list box. EPSON recommends selecting EPSON Standard when using an EPSON scanner.
| Note: |
| This setting is not available in Windows 95 and NT 4.0. |
In this list box you can choose a color profile that matches either your monitor or other output device, such as your printer, or you can choose one of the RGB color space profiles that matches those available in Adobe Photoshop.
To use the same color profile that is currently being used by your computer monitor, select Monitor RGB. To choose a different profile for your monitor or printer, select from the monitor and printer profiles in the list.
To choose a color profile that matches the RGB color space you are using in Adobe Photoshop, select that color space from the list. For more information on color management in Adobe Photoshop, see the Adobe Photoshop's documentation.
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This setting allows you to scan images without the adjusting the quality of the image at all. Select this setting for best results when making your own color profile using a color calibration device.
| Note: |
| This setting is not available in Windows 95 and NT 4.0. |
Click the Densitometer tab to display the Densitometer menu.
This setting allows you to set the area in pixels that the Densitometer samples. You can choose between 1 x 1 pixel, 3 x 3 pixels, or 5 x 5 pixels.
| Note: |
| You can change the sampling area while viewing the Densitometer window by pressing your computer's Ctrl and E keys. |
Click the Other tab to display the Other menu.
When this check box is selected, the image that was shown in the Preview window the last time EPSON TWAIN Pro was used will appear with its associated settings the next time you start EPSON TWAIN Pro. This feature is useful when scanning the same document more than once, and is especially useful when using different TWAIN-compliant applications to scan the same document.
| Note: |
| When this check box is selected, the document shown in the Preview window when EPSON TWAIN Pro starts may be different than the document currently on the document table. Before scanning, make sure the correct document is set on the scanner. |
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| Version 1.00E, Copyright © 2001, SEIKO EPSON CORPORATION |
