Upc-E1 Preamble - Motorola DS3508 Product Reference Manual

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UPC-E1 Preamble

Parameter # 24h
Preamble characters are part of the UPC symbol, and include Country Code and System Character. There are
three options for transmitting a UPC-E1 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 & Country Code
(< COUNTRY CODE> <SYSTEM CHARACTER> <DATA>)
(00h)
(02h)
*
System Character (<SYSTEM CHARACTER> <DATA>)
(01h)