8 - 44 Symbol LS1203 Product Reference Guide
Symbology - Specific Security Levels
Redundancy Level
The scanner offers four levels of decode redundancy. Select higher redundancy levels for decreasing levels of bar
code quality. As redundancy levels increase, the 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 Code Types
Table 8-2
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 Code Types
Table 8-3
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 Code Types
Table 8-4
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