Symbol LS 1004 Product Reference Manual page 56

LS 1004 Product Reference Guide
UPC A and E Preamble(s)
Three options are available for the lead-in characters for decoded UPC-A or UPC-E symbols
transmitted to the host device. Select one preamble for UPC-A decodes and one for UPC-E
decodes. These lead-in characters are considered part of the symbol itself. The three options
are:
a system character only
!
the country code and system character
!
no preamble
!
The system character is the digit printed to the extreme left of a UPC symbol. The country
code for UPC is always zero, and it cannot be transmitted without the system character.
UPC-A Preambles
None
System Character
System Character
and
Country Code
4-20
UPC-E Preambles
None
System Character
System Character
and
Country Code