Honeywell Voyager 1250g User Manual page 134

UPC-A Number System and Check Digit
UPC-A sample showing the number system and check digit:
Number
System
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 can be programmed so it
will not transmit it. Default = On.
UPC-A Check Digit
This selection allows you to specify whether the check digit should be
transmitted at the end of the scanned data or not. Default = On.
6 - 34
* On
* On
Check
Digit
Off
Off