PSC Scanners - Manual (Page 57)

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Code 93
Previous customization of other scanner features may have made
Code 93 unavailable in some scanners. Consult Customer Service for
current capabilities or if you require a specific symbology.
UB Enable Code 93
UC Standard Code 93
SF
Set Minimum Length, specified by
two digits 01-32
SG
Set Maximum Length, specified by
two digits 01-32
SE
Enable transmission of check
digits
SD
Disable transmission of check
digits
SA Disable Code 11