Symbologies 13-27
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 the host system.
No Preamble
(<DATA>)