Symbol LS 4071, Product Reference Manual

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LS 4071 Product Reference Guide
UPC/EAN Security Level
The LS 4071 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 0
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.
UPC/EAN SECURITY LEVEL 1