LXE 1280, Reference Manual

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204 Control Characters Used for Inbound Forms
LDS Plus Reference Guide E-SW-LDSPLUSRG-G
Control Characters Used for Inbound Forms
The control character for an inbound form identifies the message as a form to the host computer,
and it indicates whether a sequence number is included.
There are two possible control characters for inbound forms – left apostrophe ( ‘ ) or the lower
case letter a:
‘ (60 hex)
Indicates that it is a form message without sequence numbers. For
example:
<E3M‘7B]
where
<E3 is a message from terminal E3.
‘ identifies a form message without sequence numbers.
7B is the form number, as assigned by the host computer or contained
in a stored form, and barcode entry was activated by the form.
a
Indicates that it is a form message with sequence numbers. For example:
<E3M a 57B]
where
<E3 is a message from terminal E3.
a identifies a form message with sequence number 5.
7B is the form number, as assigned by the host computer or contained
in a stored form, and barcode entry was activated by the form.
Beep Pattern Control Characters
The beep frame occupies a total of nine equal length units of time.
CTRL
Character
Beep Pattern Produced
Space
(hex 20)
No beeps
A
One short beep (B - - - - - - - -)
B
Two short beeps (B - B - - - - - -)
C
Three short beeps (B - B - B - - - - - -)
D
Four short beeps (B - B - B - B - -)
E
Five short beeps (B - B - B - B - B)
F
Extra long beep (BBB - - - - - -)
G
Extremely long beep (BBBBBBBBB)
H
Three long beeps (BB - BB - BB -)
Figure C-4 Beep Pattern Control Characters