Radio Shack 25-3097 - Manual (Page 9)

P
reparation
9
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Provides the ideal
configuration for color photographs or art, or scan
images for image editing, desktop publishing or high-
quality output. Results in a slower scan time and a
larger file size due to a higher (300 dpi) resolution.
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— lets you manually set the scan image's
type and resolution. You can define a new scanning
configuration with customized settings, and enter a
personalized name for the new configuration.
5. Under Scan Configuration: select the Mode:, Res:, and
Size:.
Mode: — Scan mode determines the amount of color
information collected from your original. Choose this
option based on whether the original is color or black &
white, and on the purpose of the scanned image (i.e.,
color display, black & white printing, OCR, etc.). True-
color occupies the largest amount of memory space,
grayscale occupies a medium amount, and black &
white occupies the smallest amount. When you change
these options, notice the projected file size in the
message bar: true-color images' memory space are
three times larger than grayscale and twenty-four times
larger than black & white!
•
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This scan mode collects the maximum
amount of color information from the original, up to
around 16.7 million colors! Choose this option for an
original that you want to display, print or edit in color.
•
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Use this mode for black & white photos
or for scanning color material to print on a black &
white printer.
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Use this mode to scan text or line
drawings - a picture or text containing black lines
only, with no colors or gray shades.
Resolution: — Resolution determines the amount of
detail collected from an original image. Higher
resolution produces greater detail. Generally, we
recommend you keep the resolution as low as possible,
because higher resolution slows scan time and
increases file size. When using True Color or Gray
scale, a lower resolution (100-200dpi) captures more
color and detail than most printers or monitors do.
When you adjust the resolution, watch the projected file
size in the message bar. See the Default Scan
Resolution table for recommended settings for various
scan types.
Default Scan Resolutions
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Text (printed) 300 dpi
Text (fax) 200 dpi
Text for OCR 300 dpi
Black & White or
gray scale image 150 dpi
Color photo or
image 150 dpi