Upc-A Preamble - Symbol LS1900 Series Product Reference Manual

LS1900 Series Product Reference Guide

UPC-A Preamble

Three options are given for lead-in characters for UPC-A symbols transmitted to the host
device: transmit system character only, transmit system character and country code ("0" for
USA), and no preamble transmitted. The lead-in characters are considered part of the
symbol.
No Preamble
(<DATA>)
*
System Character
(<SYSTEM CHARACTER> <DATA>)
System Character & Country Code
(< COUNTRY CODE> <SYSTEM CHARACTER> <DATA>)
4-56