Symbologies 11 - 73

Redundancy Level

Parameter # 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 code types in Table 11-2 must be successfully read twice before being decoded:

Redundancy Level 2

The code types in Table 11-3 must be successfully read twice before being decoded:

Redundancy Level 3

Code types other than the code types in Tab le 11- 4 must be successfully read twice before being decoded. The
following codes must be read three times:
Table 11-2
Redundancy Level 1
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
Table 11-3
Redundancy Level 2
Code Type Code Length
All All
Table 11-4
Redundancy Level 3
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