Symbol Technologies P470 - Manual (Page 94)

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P470/370 RF Scanner Product Reference Guide
Linear Code Type Security Level
The scanner 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: 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