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Preamble
KB
Postamble
LB
A preamble is a string of characters that prefixes a
message that is transmitted to the host. The preamble
may be used to identify the scanner that sent the
message. The maximum preamble length is four
ASCII characters.
KA
To enter a preamble, scan the KB label, then refer to
Table 6.B to enter the four ASCII characters. The
procedure on the previous page explains how to enter
preamble characters.
+
A postamble is similar to a preamble, except it is
appended to the message which is transmitted to the
host. Its maximum length is four ASCII characters.
LA
To enter a postamble, scan the LB label, then refer to
Table 6.B to enter the four ASCII characters. The
procedure on the previous page explains how to enter
preamble characters.
+
Chapter 6
Message Format Parameters
Preamble=None *
Preamble = 4 ASCII (8 Hex) characters
Postamble=None *
Postamble = 4 ASCII (8 Hex) Characters
6–7
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