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SE-923 Scan Engine Integration Guide
UPC/EAN Security Level
Parameter # 0x4D
The SE-923 offers four levels of decode security for UPC/EAN bar codes. Increasing levels of
security are provided for decreasing levels of bar code quality. There is an inverse relationship
between security and scanner aggressiveness, so be sure to choose only that level of security
necessary for any given application.
UPC/EAN Security Level 0
This is the default setting which allows the scanner to operate in its most aggressive state,
while providing sufficient security in decoding "in-spec" UPC/EAN bar codes.
UPC/EAN Security Level 1
As bar code quality levels diminish, certain characters become prone to mis-decodes before
others (i.e., 1, 2, 7, 8). If you are experiencing mis-decodes of poorly printed bar codes, and
the mis-decodes are limited to these characters, select this security level.
5-42
UPC/EAN SECURITY LEVEL 0
(0x00)
UPC/EAN SECURITY LEVEL 1
(0x01)
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