Wasp Bar Code WPS100 manual UPC-A Preamble, Do Not Transmit UPC-E1 Check Digit

Wasp WPS100 Product Reference Guide

Transmit UPC-A/UPC-E/UPC-E1 Check Digit (Continued)

Do Not Transmit UPC-E1 Check Digit

UPC-A Preamble

Preamble characters are part of the UPC symbol consisting of Country Code and System Character. Three options are given for transmitting UPC-A preamble to the host device: transmit System Character only, transmit System Character and Country Code (“0” for USA), and no preamble transmitted. Select the appropriate option to match your host system.

No Preamble

(<DATA>)

*System Character

(<SYSTEM CHARACTER> <DATA>)

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