Datalogic PowerScan 7000 2D Product Reference Manual page 92

UPC-E0 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
UPC-E0 Addenda
This selection adds 2 or 5 digits to the end of all scanned UPC-E data.
Default = Off for both 2 Digit and 5 Digit Addenda.
2 Digit Addenda On
5 Digit Addenda On
UPC-E1
Most U.P.C. bar codes lead with the 0 number system. For these codes,
use UPC-E0 (page 6-21). If you need to read codes that lead with the 1
number system, use the UPC-E1 selection. Default = Off.
UPC-E1 On
Product Reference Guide
Linear Symbologies
Off
* 2 Digit Addenda Off
* 5 Digit Addenda Off
* UPC-E1 Off
6-23