Preamble - Microscan MS-820 User Manual

Preamble

Preamble Status
Usage: Used for identifying and controlling incoming data. For example, defining
the preamble as a carriage return and a line feed causes each decoded
message to be displayed of on its own line.
Definition: Up to four user defined ASCII characters, including control characters,
can be defined and added to the front or end of the data string that is
sent from the scanner to the host.
Serial Cmd: <Kdstatus,preamble character(s)>
Default: Disabled
Options: 0 = Disabled
1 = Enabled (within any protocol)
Preamble Character(s)
Serial Cmd: <Kdstatus,preamble
Default: ^M corresponds to:
Options: Up to four user-defined ASCII characters, including control characters.
Within a Serial Command
To enter control characters within a serial command, hold down the con-
trol key while typing the desired character.
Example: <Kd141,CNTL-m>
Within an Embedded Menu
Control characters entered on the command line are displayed in the
menu as mnemonic characters, such as: <CR><NUL><NUL><NUL>.
To enter a control character from within an embedded menu, first type in
a space (with the space key). This has the effect of allowing the control
key to be recognized as a part of the control character. Next hold down
the control key while typing the desired character.
Example: Space CNTL-m
MS-820 Industrial Bar Code Scanner User's Manual
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Chapter 3 Communications
character(s)>
carriage return/null/null/null.
to enter ^M
to enter ^M.
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