Redundancy Level 1; Redundancy Level 2; Redundancy Level 3 - Motorola MT2070 User Manual

12 - 74 MT2070/MT2090 User Guide
Redundancy Level
Parameter # 4Eh
The device offers four levels of decode redundancy. Select higher redundancy levels for decreasing levels of bar
code quality. As redundancy levels increase, the device'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 12-2
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 12-3
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 12-4
Code Type
MSI
D 2 of 5
I 2 of 5
Codabar
Code Length
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