Omnitron Systems Technology RS-232 user manual Bar Code Preamble, Bar Code Postamble

Bar Code Preamble

0 to 16 ASCII characters: The bar code preamble is a string of characters that can be added to the beginning of scanned bar code data. These can be special characters for identifying a specific scanning station, to format a message header expected by the receiving host. They can be any characters from the full ASCII table. (Please see Appendix D.)

SELECTION CODE: C2

One Character at a time

Bar Code Postamble

0 to 16 ASCII characters: The bar code postamble serves the same purpose as the preamble, except it is added to the end of the scanned data after any terminator characters.

SELECTION CODE: C3

One Character at a time

EXAMPLE:

To set a four-character bar code preamble of ABCD, enter: /E/D/FC<ENTER>C2<ENTER>A<ENTER>B<ENTER>C<ENTER> D<ENTER>CZ<ENTER>

Note: For CR, use CTRL-N (ASCII code 14h).

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