Epson Perfection 640U Reference Manual page 51
Color image scanner
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Also See for Perfection 640U:
- Scanner basics (71 pages) ,
- Service manual (53 pages) ,
- Product support bulletin (31 pages)
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❏ 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
Understanding EPSON TWAIN Features
3-5
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