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UPC-E1 Preamble
Parameter # 0x24
Three options are given for lead-in characters for UPC-E1 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.
(< C OUNTRY CODE> <SYS TEM CHARACTER> <DATA>)
32
NO PREAMBLE
SYST EM CH ARA CT ER
(<SYS TEM CHARACTER> <DATA>)
SYSTEM CHARACTER & COUNTRY CODE
(<DATA >)
(0x00)
(0x01)
(0x02)
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