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ADVANCED PROGRAMMING GUIDE
2. Data Redundant Check
In this section, users can use labels to set decoder data redundant check, before
it is accepted as a good read. A higher data redundant check read setting offers
more assurance that a barcode has been read correctly, while a lower setting
allows faster scanning performance.
Code 39 data redundant check = 0
Code 39 data redundant check = 1
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