Wasp 2D Reference Manual page 79

Linear Symbologies
UPC-A
<Default All UPC-A Settings>
UPC-A Enable
* On
Off
UPC-A Check Digit Transmit
This selection allows you to specify whether the check digit should be
transmitted at the end of the scanned data or not. Default = On.
* On
Off
UPC-A Number System
The numeric system digit of a U.P.C. symbol is normally transmitted at
the beginning of the scanned data, but the unit can be programmed so it
will not transmit it. Default = On.
* On
Off
Product Reference Guide 6-19