Symbology-Specific Security Levels; Redundancy Level; Redundancy Level 1; Redundancy Level 2 - Motorola LI2208 Product Reference Manual

Symbology-Specific Security Levels

Redundancy Level

Parameter # 4Eh
The linear imager offers four levels of decode redundancy. Select higher redundancy levels for decreasing
levels of bar code quality. As redundancy levels increase, the linear 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 1 Codes
Table 9-2
Code Type
Codabar
MSI
D 2 of 5

Redundancy Level 2

The following code types must be successfully read twice before being decoded:
Redundancy Level 2 Codes
Table 9-3
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 9-4
Code Type
MSI
D 2 of 5
Codabar

Redundancy Level 4

The following code types must be successfully read three times before being decoded:
Redundancy Level 4 Codes
Table 9-5
Code Type
All
Code Length
8 characters or less
4 characters or less
8 characters or less
Code Length
All
Code Length
4 characters or less
8 characters or less
8 characters or less
Code Length
All
SYMBOLOGIES 9 - 69