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P a g e
Testing Communication through Windows
In Windows XP:
1.
Select Start.
2.
Select Run and type in cmd. This will open the
command prompt.
In Windows 7:
1.
Select Start.
2.
Type in cmd. Then select cmd.exe, this will open
the command prompt.
3.
At the command prompt type in: mode com1 then hit Enter.
4.
You should get a message that gives information (pictured above) that shows the device is communicating with
the computer.
Note: If at the command prompt nothing is shown when typing mode com1 then there are two options:
1.
We can try using a third party HyperTerminal application to test the communication of the device (Please see
the web).
2.
We can try reinstalling the COM port on your computer (Please see below).