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Version 1.73 Copyright © 1997 Link Communications Inc. 1/18/97
Appendix F: Programming with the Serial Port
Entering commands from the serial port works almost exactly the same way as with DTMF
tones from a radio. The characters you enter on the keyboard are treated the same way as the
digits on your radio keypad. Of course you can enter digits on the keyboard that you can not
enter from a keypad, which gives you a little additional flexibility. Some of the things you can
do from the keyboard that you can not do from a DTMF pad are:
• Back up. If you type a digit you did not mean to type, simply press the backspace key
and delete it.
• Press the Enter key. This tells the controller to try to execute whatever you have typed
so far. This is exactly the same as unkeying your radio to force a command to execute.
When you have entered a command you can either enter a 'D' or press <Enter> to make
it execute.
• Store a bunch of commands in a file on your computer that you can upload without
typing them again. See the section on using a serial upload file later in this appendix.
Example: I want to execute Command 009 to see which ports are connected together:
Over the air:
<Key radio> 009 <Unkey or press "D">
From the serial port:
<ENTER>
You will see the serial port prompt "DTMF>". This indicates that
the characters you enter are being treated just as if they were entered
by DTMF from a radio port
009 <Enter or press "D">
Example: I want to execute ommand 000 to connect ports 1 and 2 together:
Over the air:
<Key radio> 000 12 <Unkey or press "D">
From the serial port:
<ENTER>
000 12 <Enter or press "D">
Now try 009 (the first example) again. The crosspoint will show that ports 1 and 2 have
been connected.
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