User's Manual
-
37
-
Linear Security Level 3
Code types other than the following must be successfully read twice before
being decoded. The following codes must be read three times:
Code Type Length
MSI 4 or less
D 2 of 5 8 or less
I 2 of 5 8 or less
Linear Security Level 4
All code types must be successfully read three times before being decoded.
Bi-directional Redundancy
Parameter # 0x43
This parameter is only valid when a Linear Code Type Security Level is
enabled (see page 37). When this parameter is enabled, a bar code must be
successfully scanned in both directions (forward and reverse) before being
decoded.