Motorola DS3478 - Manual (Page 187)

Symbologies 13 - 15
UPC-A Preamble
Preamble characters are part of the UPC symbol consisting of Country Code and System Character. There are
three options for transmitting a UPC-A 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.
No Preamble
()
*
System Character
( )
System Character & Country Code
(< COUNTRY CODE>
)