N4680 2D Decoded Scan Engine User Guide 109
UPC-A On/Off
Note: To convert UPC-A bar codes to EAN-13, see Convert UPC-A to EAN-13 on page 116.
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.
UPC-A Number System
The numeric system digit of a U.P.C. symbol is normally transmitted at the begin-
ning of the scanned data, but the unit can be programmed so it will not transmit it.
Default = On.
UPC-A Redundancy
If you are encountering errors when reading UPC-A bar codes, you may want to
adjust the redundancy count. Redundancy adjusts the number of times a bar code
is decoded before transmission, which may reduce the number of errors. Note that
the higher the redundancy count, the longer it will take to decode the bar code. To
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