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Symbologies
UPC-A Preamble (Continued)
System Character & Country Code
(< COUNTRY CODE> <SYSTEM CHARACTER> <DATA>)
UPC-E Preamble
Preamble characters are part of the UPC symbol consisting of Country Code and System
Character. Three options are given for transmitting UPC-E preamble to the host device:
transmit System Character only, transmit System Character and Country Code (“0” for
USA), and no preamble transmitted. Select the appropriate option to match your host
system.
No Preamble
(<DATA>)
*System Character
(<SYSTEM CHARACTER> <DATA>)