Barcode Online Reference
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Aztec Code, created at Welch Allyn Inc., is a general purpose 2D matrix bar code symbology. ISS-Aztec Code was published by AIM International in the Fall of 1997 and although the code is patented, it has been released to the public domain.
There are two basic formats of the Aztec Code. A "compact" symbol will display a 2-ring bullseye and the "full range" symbol will display a 3-ring bullseye. Together the two formats create a sequence of 33 distinct symbol sizes very capable of encoding small to large data messages.
The Aztec Code is created with a "string" of data. There is no special format to the string and all characters and digits may be used. The encoding process will produce either a compact or full range symbol, depending on the amount of data in the string. No human readable is usually present.
The Aztec Code also includes a Reader Initialization Symbol option that you can enable by checking the checkbox on the Advanced Properties tab for this symbology. This option allows the bar code reader to decode menu symbols or "Reader Initialization Symbols" if supported by the reader. According to AIM, the purpose of these symbols is to deliver initialization or configuration information into a reader, and the format and meaning of the encoded data shall be determined by the reader manufacturer.
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