Worth Data RF Terminal 7000 - Manual (Page 91)

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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.