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Understanding EPSON TWAIN Features

Previewing Images

Before you scan and save an image, you can preview it in the Preview window located on the right side of the Manual mode window. Use the preview feature to check the results of your settings.

To preview the entire image, click the Preview button.

Preview window

Note:

You cannot preview an image which exceeds the available memory or disk space. If you try to preview a very large image, an alert appears on the screen.

When the mouse pointer is placed in the Preview window, it changes to a cross-hairs. Drag the cross-hairs over any area of the image, and a frame appears. The point where you first clicked is anchored, but the rest of the frame is sizable and movable.

When the mouse pointer is placed within the marquee (the frame of the selected image area), it changes to a hand. You can click and drag the marquee anywhere in the Preview window. If you drag a hand while pressing the Shift key, the marquee will be limited to vertical or horizontal movement.

When the mouse pointer is placed on the edge of the marquee, it changes to an arrow allowing you to re-size the marquee. If you drag an arrow while pressing the Shift key, the marquee will be resized proportionally.

To remove or delete a marquee, double-click the Preview window.

Modifying the preview image

You can see the effects of the following settings in the preview image.

Image Type and Unsharp Mask in the Manual mode window

Exposure, Gamma, Highlight, Shadow, and Threshold in the Image Controls dialog box

Tone Correction in the Tone Correction dialog box

Gray Balance Intensity and Saturation in the Color Adjustment dialog box

Auto Exposure

Note:

Although the image in the Preview window changes as you make settings, the settings do not affect the actual image until you scan or re-scan the image.

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