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PDF417 Barcode reader display error characters

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Hello all,

I am using IMAQ 2D barcode function, which is PDF417, but it reads the barcode display is an error characters, maybe it is the local language casuse (Chinese), PDF417 read barcode can't display correct characters, I have searched some of corresponding webside, and somebody tells, PDF417 vi output is binary code, and I tried to use type cast or string to byte array etc to do some convert, but no any result. did anybody meet this kind of case ? please help to share your solution, thanks.

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