Upc-A Preamble - Motorola Symbol DS3408 Product Reference Manual

13 - 16 Symbol DS3408 Product Reference Guide

UPC-A Preamble

Parameter # 22h
Preamble characters are part of the UPC symbol, and include Country Code and System Character. There are
three options for transmitting a UPC-A 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)