Msi Check Digits - Motorola Symbol DS3578 Product Reference Manual

Set Lengths for MSI (continued)
MSI - One Discrete Length
MSI - Length Within Range

MSI Check Digits

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 10-52
*
One MSI Check Digit
MSI - Two Discrete Lengths
for the selection of second digit algorithms.
Two MSI Check Digits
Symbologies 10 - 51
MSI - Any Length