Upc-E1 Preamble - Symbol DS 3478 Product Reference Manual

13-18 DS 3478 Product Reference Guide

UPC-E1 Preamble

Preamble characters are part of the UPC symbol consisting of 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).
• Transmit no preamble.
Select the appropriate option to match the host system.
System Character & Country Code
(< COUNTRY CODE> <SYSTEM CHARACTER> <DATA>)
No Preamble
(<DATA>)
*
System Character
(<SYSTEM CHARACTER> <DATA>)