Fujitsu ScanSnap S500M Operator's Manual page 60

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Correct skewed character strings automatically.
If this checkbox is marked, ScanSnap detects a skew of the documents and outputs
corrected images. Up to +/-5 degrees of skew can be corrected .
ATTENTION
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Allow automatic image rotation
This setting automatically detects the orientation of a text on the document, and
changes the orientation of the image.
ATTENTION
44
This function detects a document skew based on the characters on the
document. Therefore, it may not work properly for the following kinds of
documents:
•
Documents on which the pitches of lines or characters are extremely
narrow, or adjacent characters contact with each other
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Documents with many outlined or decorated characters
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Documents with many photographs or figures and only a few characters
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Documents with characters in patterned background
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Documents with characters printed in various directions (e.g. plans)
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Documents with long diagonal lines
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Documents with handwritten characters
*When you scan such documents, clear the checkbox.
This function detects the orientation based on characters on the
document. Therefore, it does not work properly for the following kinds of
document:
•
Documents which have many extremely large/small characters
•
Documents on which pitches of lines or characters are extremely nar-
row, or characters are overlapped
•
Documents with many characters that contact underlines or ruled lines
•
Documents with many photographs or figures and a few characters
•
Documents with characters in patterned background
•
Documents with characters printed in various directions (e.g. plans,
etc.)
•
Documents with only capital letters
•
Documents with handwritten characters
•
Documents with blurred or smeared characters
*When you scan such documents, clear the checkbox.