Symbologies 12 - 15

Transmit UPC-E1 Check Digit

Parameter # 2Ah

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.

UPC-A Preamble

Parameter # 22h

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 Sys tem Character only, transmit
System Character and Country Code (“0” for USA), and transmit no preamble. Select th e appropriate option to
match the host system.
*Transmit UPC-E1 Check Digit
(01h)
Do Not Transmit UPC-E1 Check Digit
(00h)
No Preamble (<DATA>)
(00h)
*System Character (<SYSTEM CHARACTER> <DATA>)
(01h)
System Character & Country Code
(< COUNTRY CODE> <SYSTEM CHARACTER> <DATA>)
(02h)