Bar code preamble, Bar code postamble – Omnitron Systems Technology RS-232 User Manual
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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
D
Note: For CR, use CTRL-N (ASCII code 14h).