Symbol LS3408 Product Reference Guide - Miles Data Technologies

Symbologies 12 - 49Security Level 2If the scanner misdecodes poorly printed bar codes, and the misdecodes are not limited to characters 1, 2, 7, and8, select this security level.Security Level 2Security Level 3If you selected Security Level 2, and the scanner still misdecodes, select this security level. Be advised, selectingthis option is an extreme measure against misdecoding severely out of spec bar codes. Selecting this level ofsecurity can significantly impair the decoding ability of the scanner. If you need this level of security, try to improvethe quality of the bar codes.Security Level 3Bi-directional RedundancyUse Bi-directional Redundancy for additional security for linear code type security levels. When enabled, a barcode must be successfully scanned in both directions (forward and reverse) before reporting a good decode.Enable Bi-directional Redundancy*Disable Bi-directional Redundancy