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Understanding EPSON TWAIN Pro Features / Using the EPSON TWAIN Pro Main Dialog Box

Making Configuration Settings

Preview menu
Color menu
Densitometer menu
Other 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.

Preview menu

This menu allows you to make basic settings that affect the properties of the Preview window.

Preview Window Size

Select the size of the Preview window. Your choices are Large, Medium, and Small.

Fast Preview

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.

Eyedropper Sampling Area

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.

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Color menu

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.

Note:

Depending on the version of Windows you are using, some settings may not be available. See below for details.

Color Controls

The Color Controls setting allows you to make settings that affect the gamma for your monitor and the way the Auto Exposure feature works.

Display Gamma

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.

Continuous Auto Exposure

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.

ICM (for Windows) or ColorSync (for Macintosh)

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.

Note:

The ICM and ColorSync settings are provided for experienced users. If you are not familiar with color management systems, select Color Controls to avoid unexpected results.

If your printer and monitor do not support the available color management system, select Color Controls. See your printer and monitor documentation to check if they support ICM or ColorSync.

When ICM or ColorSync is selected, the Continuous Auto Exposure setting is unavailable.

If ICM or ColorSync is selected, whenever the Auto Exposure function is used, the Shadow setting in the Image Controls dialog box is automatically set to 8, and the Gamma setting is set to 1.0.

ICM is not available in Windows NT 4.0.

In Windows 95, you can select the ICM setting, but the Source (Scanner) and the Target settings are not available.

If you select ICM in EPSON TWAIN Pro when using Adobe® Photoshop® 5.0 or 5.5, be sure to clear the Display Using Monitor Compensation check box in Photoshop's RGB Setup Dialog box.

Source (Scanner)

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.

Target

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.

Note:

If you made a color profile to calibrate your monitor using the Adobe Gamma utility, that profile appears in the Target list box.

The default Target setting in Windows is sRGB, and for Macintosh the default Target setting is Monitor RGB.

This setting is not available in Windows 95 or NT 4.0.

Display Preview Using Monitor Compensation

This feature is helpful if you have chosen a color profile in the Target menu that matches the current RGB color space in Adobe Photoshop 5.0 or 5.5. In this case, make sure that the Display Using Monitor Compensation check box in Photoshop's RGB Setup dialog box is selected, then select EPSON TWAIN Pro's Display Preview Using Monitor Compensation check box to ensure that the colors in the Preview window image match the colors of the image once it is scanned and viewed in Photoshop.

Note:

Do not select this check box unless using Adobe Photoshop version5.0 or later, or Adobe® Illustrator® 9.0.

This setting is not available for TWAIN Pro Network or in Windows 95 and NT 4.0.

No Color Correction

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.

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Densitometer menu

Click the Densitometer tab to display the Densitometer menu.

Sampling Area

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.

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Other menu

Click the Other tab to display the Other menu.

Save Preview Image and Settings

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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