Motorola LS4208 用户手册
12 - 16 Symbol LS4208 Product Reference Guide
UPC-A Preamble
Preamble characters are part of the UPC symbol consisting of Country Code and System Character. Three options
are given for transmitting UPC-A preamble to the host device: transmit System Character only, transmit System
Character and Country Code (“0” for USA), and no preamble transmitted. Scan a bar code below to match the host
system.
are given for transmitting UPC-A preamble to the host device: transmit System Character only, transmit System
Character and Country Code (“0” for USA), and no preamble transmitted. Scan a bar code below to match the host
system.
No Preamble
(<DATA>)
*
System Character
(<SYSTEM CHARACTER> <DATA>)
System Character & Country Code
(< COUNTRY CODE>
<SYSTEM CHARACTER> <DATA>)