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LS 1000 Product Reference Guide: Chapter 4, Programming the LS 1004
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.
None
System Character
System Character
and
Country Code
UPC-A Pream-
None
System Character
System Character
and
Country Code
UPC-E Pream-
coverBook Page 16 Monday, December 1, 1997 2:19 PM