Msi Check Digits - Symbol DS3408 Product Reference Manual

13 - 52 Symbol DS3408 Product Reference Guide

MSI Check Digits

Parameter # 32h
With MSI symbols, one check digit is mandatory and always verified by the reader. The second check digit is
optional. If the MSI codes include two check digits, scan the Two MSI Check Digits bar code to enable verification
of the second check digit.
See MSI Check Digit Algorithm on page 13-53
*
One MSI Check Digit
(00h)
for the selection of second digit algorithms.
Two MSI Check Digits
(01h)