Check Digit
On all our code 39 bar codes one of our customers is requiring us to put a check digit. I was wondering how to do that? There is an option under bar code properties that says check digit. Is that all I have to do? Just check the check digit option and select mod 43? When I did a search on check digit every thread I read was talking about vb scripts. We use Bartender 9.01.
Also after I add the check digit do I have to change my vb.net applications? Or does the scanners know how to decode the check digit?
Thanks!
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Hello Shaminda,
Code 39 allows you to add a check digit to it directly from its properties (although it supports only the ones specified); unless your customer wishes for a different algorithm for the check digit, in which case you would need to calculate it using a VB script, you should certainly use the option you mentioned.
Regarding your application, I don't see why you would need to change it in any way. The check digit gets encoded and appended as part of the barcode data (the calculation is made on BarTender's side), unless of course, your application has some sort of custom data validation (for example, it wouldn't allow barcode that exceeding a certain amount of characters).
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