4 - 20 Symbol CS3000 Series Scanner Product Reference Guide
UPC/EAN Security Level
Parameter # 0x4D
The Symbol CS3070 offers four levels of decode security for UPC/EAN bar codes. Increasing levels of security are
provided for decreasing levels of bar code quality. Select higher levels of security for decreasing levels of bar code
quality. Increasing security decreases the scanner’s aggressiveness, so choose only that level of security
necessary for the application.
UPC/EAN Security Level 0
This default setting allows the scanner to operate in its most aggressive state, while providing sufficient security in
decoding most “in-spec” UPC/EAN bar codes.
*UPC/EAN Security Level 0
(0x00)
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 mis-decodes of poorly printed bar codes occur, and the mis-decodes are limited to these characters, select this
security level.
UPC/EAN Security Level 1
(0x01)
UPC/EAN Security Level 2
If mis-decodes of poorly printed bar codes occur, and the mis-decodes are not limited to characters 1, 2, 7, and 8,
select this security level.
UPC/EAN Security Level 2
(0x02)
UPC/EAN Security Level 3
If misdecodes still occur after selecting Security Level 2, select this security level. Be advised, selecting this option
is an extreme measure against mis-decoding severely out of spec bar codes. Selection of this level of security
significantly impairs the decoding ability of the scanner. If this level of security is necessary, try to improve the
quality of the bar codes.
UPC/EAN Security Level 3
(0x03)
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