Why is an extra character added to the end of a Code 39 or Codabar barcode?

The extra character that is added to the end of a barcode is called the check digit or check character. For symbologies that do not require a check digit such as Code 39 and Codabar, the check character may be disabled by setting the AddCheckDigit property to "no". If the check digit is to be encoded in the barcode, but not displayed, set the AddCheckDigitToText to "no".

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• Product Support Index

TSI

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