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SCANNING FROM WINDOWS 98, ME, 2000, OR XP 39
■ Halftone—scans the image so it appears to consist of gray tones.
A pop-up menu appears so you can choose one of the halftone
options. Notice that the preview image changes as you select each
option so you can see which one is best for scanning. Halftones
produce simulated gray tones by using black and white pixels of
different sizes and is often used to produce newspaper and
magazine images. Use this setting for lower resolution black and
white images. The halftone settings also produce small file sizes.
■ 8-Bit Gray—scans the image using up to 256 true shades of gray.
Use this setting to scan black and white photographs and other
higher quality black and white images. You can also scan a color
photo with this setting to turn its colors into gray shades. The file
size is about one third the size of a color scan.
■ 24-Bit Color—scans the image in full color. Use this setting to
scan color photographs and other color images. The file size is the
largest of the image type options.
■ Enhanced bit-depths—If you are using an imaging application
other than PaperPort, the image type drop-down list will include
16-Bit Grayscale and 48-Bit Color. These image types are only
available if the imaging application supports them. You will
receive an error message if the application does not support the
selected enhanced bit-depth.
RESOLUTION
Resolution determines the amount of detail you can see in the scanned
image. The resolution setting for a scan is in dots-per-inch (dpi). The
higher the resolution, the finer the details, however, higher dpi settings
also take longer to scan and produce larger files sizes. Higher settings are
typically used for precision work, such as photographs or fine artwork.
■ Click the Resolution drop-down list and select a resolution.
The resolution settings on your Visioneer 9750 scanner range from
100 dpi to 2400 dpi.
Halftone Example
Note: You can see the file size at the bottom of the Scan Manager.