Redundancy Level - Motorola Symbol PL4507 Integration Manual

9 - 80 Symbol PL4507 Decoder Integration Guide

Redundancy Level

Parameter # 4Eh
The decoder offers four levels of decode redundancy. Select higher redundancy levels for decreasing levels of bar
code quality. As redundancy levels increase, the decoder's aggressiveness decreases.
Select the redundancy level appropriate for the bar code quality.
Redundancy Level 1
The following code types must be successfully read twice before being decoded:
Code Type
Codabar
MSI
D 2 of 5
I 2 of 5
Redundancy Level 2
The following code types must be successfully read twice before being decoded:
Code Type
All
Redundancy Level 3
Code types other than the following must be successfully read twice before being decoded. The following codes
must be read three times:
Code Type
MSI Plessey
D 2 of 5
I 2 of 5
Codabar
Redundancy Level 4
The following code types must be successfully read three times before being decoded:
Code Type
All
Code Length
8 characters or less
4 characters or less
8 characters or less
8 characters or less
Code Length
All
Code Length
4 characters or less
8 characters or less
8 characters or less
8 characters or less
Code Length
All