Symbologies 12 - 27
Set Lengths for Code 39
he length of a code refers to the number of characters (i.e., human readable characters), including check digit(s)
the code contains. Set lengths for Code 39 to any length, one or two discrete lengths, or lengths within a specific
range. If Code 39 Full ASCII is enabled, Length Within a Range or Any Len g th are the prefer re d op tio n s.
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One Discrete Length - Select this option to decode only Code 39 symbols containing a selected length.
Select the length using the numeric bar codes in Appendix D, Numeric Bar Codes. For example, to decode
only Code 39 symbols with 14 char acters, scan Code 39 - One Discrete Length, then scan 1 followed by 4.
To correct an error or change the selection, scan Cancel on page D-3.
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Two Discrete Lengths - Select this option to decode only Code 39 symbols containing either of two
selected lengths. Select lengths using the nume ric bar codes in Appendix D, Numeric Bar Codes. For
example, to decode only thos e Code 39 symbols co ntain ing either 2 or 14 characters, select Code 39 - Two
Discrete Lengths, then scan 0, 2, 1, and then 4. To correct an error or change the selection, scan
Cancel on page D-3.
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Length Within Range - Select this option to decode a Code 39 symbol with a specific length range.
Select lengths using numeric bar codes in Appendix D, Numeric Bar Codes. For example, to decode
Code 39 symbols containing between 4 and 12 characters, first scan Code 39 - Length Within Range.
Then scan 0, 4, 1, and 2 (single digit numbers must always be preceded by a leading zero). To correct an
error or change the selection, scan Cancel on page D-3.
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Any Length - Select this option to decode Code 39 symbols containing any number of characters within the
scanner capability.
NOTE When setting lengths for different bar code types by scanning single digit numbers, single digit numbers
must always be preceded by a leadi ng zero.