Wasp Bar Code WLS 8400 FZ, WLS 8400 ER manual UPC-A Preamble, No Preamble Data System Character

Symbologies 8-17

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 the host system.

No Preamble

(<DATA>)

*System Character

(<SYSTEM CHARACTER> <DATA>)

System Character & Country Code

(< COUNTRY CODE> <SYSTEM CHARACTER> <DATA>)