Symbol LS4000P Series, Product Reference Manual

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Parameter Menus
Linear Code Type Security Level
The LS 4000P offers four levels of decode security for linear code types (e.g., Code 39,
Interleaved 2 of 5). Higher security levels are selected for decreasing levels of bar code quality.
As security levels increase, the scanner’s aggressiveness decreases. Select the security level
appropriate for your bar code quality.
Note: This does not apply to Code 128.
Linear Security Level 1
The following code types must be successfully read twice before being decoded:
LINEAR SECURITY LEVEL 1
Linear Security Level 2
All code types must be successfully read twice before being decoded.
LINEAR SECURITY LEVEL 2
Code Type Length
Codabar All
MSI Plessey 4 or less
D 2 of 5 8 or less
I 2 of 5 8 or less