LXE 1280 Reference Guide
146
Expanded Functions
LDS Plus Reference Guide
E-SW-LDSPLUSRG-G
A: Send Messages to the RS-232 Port
Expanded Function A is a message that is used to send messages to the RS-232 port.
Rule: Follow the expanded function character A with the text to be sent to the
external device.
Buffering Messages
When the host sends a message to the DOS terminal, it goes to the Receive buffer. From the
receive buffer, the terminal emulation sends the data to the RS-232 port configured as AuxIO. A
copy of the message remains in the receive buffer for operator viewing.
receive buffer, the terminal emulation sends the data to the RS-232 port configured as AuxIO. A
copy of the message remains in the receive buffer for operator viewing.
Application
Use Expanded Function A to send a message for printing barcode labels at the DOS terminal. This
application requires that a printer suitable for printing barcode labels is attached to the DOS
terminal.
application requires that a printer suitable for printing barcode labels is attached to the DOS
terminal.
Attributes
One beep
No change in automatic transmit buffer length
No change in automatic transmit buffer length
Example
Y
is the control character used when sending
an expanded function.
A
is the N/EF character that sends
messages to the RS-232 port.
Text that the terminal sends to the device on
the RS-232 port.
the RS-232 port.
<02S
Y
A
P/N:23514Qty:100
C
R
L
F
Figure 5-1 Expanded Function A Forced Message