Motorola LS3578 - Manual (Page 184)

11 - 14 Symbol LS3578 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
()
*
System Character
( )
System Character & Country Code
(< COUNTRY CODE> )