Programming Guide S-100W - Ver. 1.0
UPC-E Preamble
Preamble characters are part of the UPC symbol, and include Country Code and System
Character. There are three options for transmitting a UPC-E preamble to the host device:
transmit System Character only, transmit System Character and Country Code ("0" for USA),
and transmit no preamble. Select the appropriate option to match the host system.
No Preamble (<DATA>)
System Character
(<SYSTEM CHARACTER>
<DATA>)
System Character & Country Code
(< COUNTRY CODE> <SYSTEM
CHARACTER> <DATA>)
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