Symbol Technologies DS 3408 - Manual (Page 175)

Symbologies 13-17
UPC-E Preamble
Parameter # 23h
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 ()
(00h)
*
System Character ( )
(01h)
System Character & Country Code
(< COUNTRY CODE> )
(02h)