Transmit Upc-E1 Check Digit; Upc-A Preamble - Motorola DS6878 Product Reference Manual

15 - 16 DS6878 Product Reference Guide

Transmit UPC-E1 Check Digit

Parameter # 42
The check digit is the last character of the symbol used to verify the integrity of the data. Scan the appropriate
bar code below to transmit the bar code data with or without the UPC-E1 check digit. It is always verified to
guarantee the integrity of the data.
*
Transmit UPC-E1 Check Digit

UPC-A Preamble

Parameter # 34
Preamble characters are part of the UPC symbol, and include Country Code and System Character. There are
three options for transmitting a UPC-A preamble to the host device: transmit System Character only, transmit
System Character and Country Code ("0" for USA), and transmit no preamble. Select the appropriate option to
match the host system.
No Preamble (<DATA>)
System Character & Country Code
(< COUNTRY CODE> <SYSTEM CHARACTER> <DATA>)
(1)
(0)
(2)
Do Not Transmit UPC-E1 Check Digit
*
System Character (<SYSTEM CHARACTER> <DATA>)
(0)
(1)