OPTICON
Software Guide
MDL-1000/2000
79
8-19-3 UPC-A Preamble (0x22)
After scanning of a UPC-A bar code, preamble characters (Country Code and System character)
can be added before the bar code data. The Country Code value shall be fixed to “0”. Such
preamble data is transmitted as a part of a UPC-A bar code. Select one of the following options
for transmitting UPC-A preamble characters to the host.
Without Preamble Characters (0x00) - (<Data>)
*
System Character (0x01) - (<System Character><Data>)
System Character and Country Code (0x02) - (<Country Code><System Character><Data>)