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ISBT 128 Donor Identification Number

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3 comentarios

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    Peter Thane

    Are you using the ISBT sample barcode format?

    The keyboard check character is a modulo 37 check digit I believe calculated based on the values of some of the other data components in the rest of the barcode. Depending on these other elements it can therefore be either alpha or numeric from what I can see

     

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    Mnorton

    Hi,

    Yes I'm using the ISBT sample format. Ok, then I guess it's how it's all calculated then! I thought it would always come out as a letter. Thanks!

    Also, would you happen to know how to add the line (or bar) width reduction to the code?

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    Peter Thane

    I assume you mean adjusting these settings?

    You may need to check that the symbol is still in compliance with the ISBT barcode spec if you adjusting these

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