NCR Realscan 7837 - Check Digit; Number System

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UPC E, continued
Check Digit
Check Digit specifies whether the check digit should be transmitted at the end of
the scanned data or not. Default = On.
Number System
The numeric system digit of a UPC symbol is normally transmitted, but the unit
can be programmed so it will not transmit it. Default = On.
Off
* On
Off
* On