Symbologies
161
Code 39 Security Level
Parameter # 750
SSI # F1h EEh
The scanner offers four levels of decode security for Code 39 barcodes. There is an inverse relationship between
security and scanner aggressiveness. Increasing the level of security can reduce scanning aggressiveness, so
select only the level of security necessary.
• Code 39 Security Level 0: The scanner operates in its most aggressive state, while providing sufficient
security in decoding most in-spec barcodes.
• Code 39 Security Level 1: This default setting eliminates most misdecodes.
• Code 39 Security Level 2: This option applies greater barcode security requirements if Security Level 1
fails to eliminate misdecodes.
• Code 39 Level 3: If you selected Security Level 2, and misdecodes still occur, select this security level to
apply the highest safety requirements.
NOTE: Selecting this option is an extreme measure against mis-decoding severely out-of-spec barcodes,
and significantly impairs the decoding ability of the scanner. If this level of security is required, try
to improve the quality of the barcodes.
Code 39 Security Level 0
(0)
*Code 39 Security Level 1
(1)
Code 39 Security Level 2
(2)
Code 39 Security Level 3
(3)
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