
Ba1258B_RemoteRig_MkIIs-A33.docx
Microbit 2.0 AB 2010. All rights reserved
Connections
PAD – Control-RRC:
Only the USB interface can be used for RTTY as described above.
PAD – Radio-RRC:
At the Radio-RRC the PAD-jack can be used to connect the RTTY signal from the FSK serial
port. The PAD will then be shared with CW key output. The pad jack is for a standard 3.5 mm
stereo plug. Note - these signals are also available in the I/O-connector.
USB – Control-RRC:
A PC with a suitable software like MMTTY can be used to perform the RTTY keying. Together
with the RTTY keying signal PTT need to be activated this is done by activating the RTS signal
in the virtual comport (COMExtra). MMTTY does this by default other software may need
manual configuration.
I/O-connector – Radio-RRC:
The output signal for the RTTY keying can also be found in the I/O connector.
The I/O connector can also be used for the PTT signal if the Mic PTT is not used. If you want
this function change one of the free outputs to PTT.
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