Rice Lake Motorola DS457 Laser Scanner - Manual (Page 242)

12 - 20 DS457 Fixed Mount Imager Integration Guide
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 ()
(00h)
*
System Character (
)
(01h)
System Character & Country Code
(< COUNTRY CODE>
)
(02h)