Redundancy Level 1; Redundancy Level 2; Redundancy Level 3 - Motorola LI4278 Product Reference Manual

Redundancy Level
Parameter # 4Eh
The linear imager scanner offers four levels of decode redundancy. Select higher redundancy levels for
decreasing levels of bar code quality. As redundancy levels increase, the linear imager scanner'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 1 Codes
Table 11-2
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:
Redundancy Level 2 Codes
Table 11-3
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:
Redundancy Level 3 Codes
Table 11-4
Code Type
MSI
D 2 of 5
I 2 of 5
Codabar
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
SYMBOLOGIES 11 - 65