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MFJ-1278B MULTI-MODE BASIC OPERATION
Setting Up the for Code Practice
You can monitor the random code sent by the MFJ-1278B without a radio connected. In
order to monitor the random code, attach a small speaker to the "SPEAKER" jack, located on
the back panel of the MFJ-1278B
Note: If a radio is connected and you do not wish to transmit the random code, the radio
should be turned OFF. The MFJ-1278B will key PTT line and the keying output is
active while RANDOMCW is ON.
Under the cmd: command prompt, type:
MODE MC,## <ENTER> (## is the desired code speed)
The MFJ-1278B will respond with the "Modem Status" display, verifying the operation
mode, and cmd: prompt will appear. Next type:
RANDOMCW ON <ENTER>,
Next type:
K <ENTER>
followed by a Ctrl-T. The MFJ-1278B will generate 5 letter groups and display them on the
computer screen. If you do not wish to see the characters as are sent, you can turn off your
computer screen. You can then turn on the computer screen once you finish copying the code
and compare the result.
To stop the random code sending, type:
Ctrl-R
To start the random code again, type:
Ctrl-T
To exit random code practice, type:
Ctrl-C
The MFJ-1278B will return to cmd: command prompt.
To stop random code generation, type:
RANDOMCW OFF <ENTER>