Code 39 Extended

Terry Burton edited this page Aug 22, 2016 · 9 revisions

Symbologies Reference

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GS1 DataBar

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Code 39 Extended

The Code 39 Extended barcode symbology is discrete, variable length and self-checking. It is based on Code 39 but can encode full 128 character ASCII by using shift combinations.

Also known as: Code 39 Full ASCII.

Variants:

  • Code 39 is a simpler variant of Code 39 Extended.

Standards: ISO/IEC 16388, ANSI/AIM BC1 - USS Code 39, BS EN 800.

Data and Options

  • The data field can consist of any ASCII data.
  • When the parse option is specified, any instances of ^NNN in the data field are replaced with their equivalent ASCII value, useful for specifying unprintable characters, e.g. ^029 for GS, etc.
  • The includecheck option calculates the check digit.
  • The includecheckintext causes the calculated check digit to appear in the human readable text.
  • The hidestars option suppresses the asterisks in the human readable text.

Examples

Data:    Code39 Ext!
Options: includetext includecheck
Encoder: code39ext

Data:    Code39^029Extended
Options: parse includecheck
Encoder: code39ext