PSC Handheld Laser Bar Code Scanners Keyboard Wedge / Wand Emulation Interface - Manual (Page 33)

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Message Formatting
Message formatting describes how to format the data (decoded
string) that is sent from the scanner to the host.
Prefixes and Suffixes
Prefixes, Suffixes, Preambles and Postambles are programmable
attributes that are transmitted along with the decoded label data to
the host device. These attributes are handled differently whether the
scanner is configured for serial mode or wedge mode. When config-
ured for wedge mode these attributes are sent as keystrokes. The
scanner automatically translates the ASCII characters into keystrokes
before sending data to the host. Refer to the keystroke translation
tables for non-printable ASCII characters.
NOTE
The programmable options DO NOT apply in Wand Emu-
lation.
Prefix Terminal ID Preamble Code ID Data Postamble Suffix