Preambles; Upc-A Preamble - Honeywell 8650 User Manual

Preambles

UPC-A Preamble

A preamble is a lead-in character for UPC-A symbols transmitted to the host device. The lead-in characters are
considered part of the symbol.
Data is sent to the host in the following format:
No Preamble
System Character
System Character and Country Code
Select an option by scanning one of the bar codes shown below.
No UPC-A Preamble
* System Character
System Character and Country Code
("0" for USA)
[data]
[schar] [data]
[country code] [schar] [data]
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