Scanning from the TWAIN Interface
66 DocuMate 515 Scanner User’s Guide
Adjusting the 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 file sizes. For black and white
documents, 150 dpi will make a copy of similar quality to the original. If
you are scanning photographs to make copies, 300 dpi will make a direct
size copy of similar image quality to the original. You would use a higher
dpi setting to enlarge a picture from the original size.
To adjust the resolution:
1. To use one of the preset resolutions for typical scanned items, click
one of the options in the list.
2. To set the resolution manually, drag the Resolution slider to the left
to decrease the resolution or to the right to increase it.
3. Click Reset to return the resolution to its original setting.
The resolution panel also includes an advanced setting for Moire
patterns. Moire patterns are wavy, rippled lines that sometimes appear on
the scanned images of photographs or illustrations, particularly
newspaper and magazine illustrations. To scan the image and limit or
eliminate moire patterns, select the Reduce Moire option. This option is
not available for high resolution settings.
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General
Weight and Dimensions
