Motorola MS4404 用户手册

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

Table 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

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