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Programming the Scanner
UPC-E Preamble
Three options are given for lead-in characters for UPC-E 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>)