44 N4680 2D Decoded Scan Engine User Guide
Poor Quality PDF Bar Codes
This setting improves the scanner’s ability to read damaged or badly printed PDF
bar codes by combining information from multiple images. When Poor Quality
PDF On is scanned, poor quality PDF bar code reading is improved, but the scan-
ner’s snappiness is decreased, making it less aggressive when reading good qual-
ity bar codes. This setting does not affect 1D bar code reading. Default = Poor
Quality PDF Reading Off.
Decode Security
Robust and aggressive processing on Code 39, UPC, and Code 128 for handling of
damaged codes, print errors, and under sampling. Very High Reading Tolerance is
the most permissive mode. When enabled, the scanner reads codes of variable
quality. Low Reading Tolerance is the least permissive mode. Default = Medium
Reading Tolerance.
* Poor Quality 1D Reading Off
Poor Quality PDF Reading On
* Poor Quality PDF Reading
Off
Very High Reading Tolerance
* Medium Reading Tolerance
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