Symbol Technologies DS 3408 User Manual

Page of 396
Symbologies
13-43
Set Lengths for MSI (continued) 
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.
Se
 for the selection of second digit algorithms. 
MSI - One Discrete Length
MSI - Two Discrete Lengths
MSI - Length Within Range
MSI - Any Length
*
One MSI Check Digit
(00h)
Two MSI Check Digits
(01h)