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Appendix E
Codabar Specifications
Codabar is widely used in libraries, blood banks, the
cotton industry and transportation industries. Its'
character set consists of numbers 0 through 9, and
punctuation characters + . - / : and $. Symbols a, b,
c, d, t, n, * and e are used as start and stop
characters. Characters are constructed of four bars
and three spaces.
Codabar is a numeric-only code, but different combinations of start and
stop characters can be used to identify different types of labels.
Codabar's variable data length and extremely low error rate make for a
versatile bar code.
Codabar start/stop transmission
The Codabar section on the RF Terminal Setup Menu lets you
determine whether Codabar start/stop characters are transmitted or not.
If you are varying start/stop characters with different types of labels,
you'll want to "Enable Stop/Start character Transmission".
Start/stop character transmission can also be helpful if you want your
program to differentiate between data coming from the RF Terminal
and data coming from the keyboard. If neither of these situations apply,
you'll probably want to disable it.