ID Tech RS-232 User Manual page 19

Magnetic Stripe Preamble
0 to 16 ASCII characters: The magnetic stripe preamble is a string of charac-
ters that can be added to the beginning of magnetic stripe data. These can be
special characters for identifying a specific reading station, to format a mes-
sage header expected by the receiving host. They can be any characters from
the full ASCII table. (Please see Appendix D.)
SELECTION CODE: D2
One Character at a time
Magnetic Stripe Postamble
0 to 16 ASCII characters: The magnetic stripe postamble serves the same
purpose as the preamble, except it is added to the end of the read data after
any terminator characters.
SELECTION CODE: D3
One Character at a time
EXAMPLE:
To set a four-character magnetic stripe preamble of ABCD, enter:
/E/D/FD<ENTER>D2<ENTER>A<ENTER>B<ENTER>C<ENTER>
D<ENTER>DZ<ENTER>
Note: For CR, use CTRL-N (ASCII code 14h).
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