Upc-A Preamble - Symbol LS3478-FZ Reference Manual

12-16 Symbol LS3478 Product Reference Guide

UPC-A Preamble

Preamble characters are part of the UPC symbol consisting of Country Code and System Character. There are three options for
transmitting UPC-A preamble to the host device:
• Transmit System Character only.
• Transmit System Character and Country Code ("0" for USA).
• No preamble transmitted.
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>)