Zebra DS457 Series - Redundancy Level

12 - 102DS457-XX20004ZZWW Fixed Mount Imager Integration Guide
Redundancy Level
Parameter # 78 (SSI # 4Eh)
The imager offers four levels of decode redundancy. Select higher redundancy levels for decreasing levels of
bar code quality. As redundancy levels increase, the imager’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:
Redundancy Level 2
The following code types must be successfully read twice before being decoded:
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:
Redundancy Level 4
The following code types must be successfully read three times before being decoded:
Code Type Code Length
Codabar 8 characters or less
MSI 4 characters or less
D 2 of 5 8 characters or less
I 2 of 5 8 characters or less
Code Type Code Length
All All
Code Type Code Length
MSI Plessey 4 characters or less
D 2 of 5 8 characters or less
I 2 of 5 8 characters or less
Codabar 8 characters or less
Code Type Code Length
All All