Motorola Symbol LS2208 用户手册
12 - 14 Symbol LS2208 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), and transmit no preamble. Select the appropriate option to match the
host system.
three options for transmitting UPC-A 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
(<DATA>)
*
System Character
(<SYSTEM CHARACTER> <DATA>)
System Character & Country Code
(< COUNTRY CODE> <SYSTEM CHARACTER> <DATA>)