USER MANUAL
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RRC-1258 MKII
Ba1258B_RemoteRig_MkIIs-A30
Microbit 2.0 AB 2010. All rights reserved
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User manual
Rev. A30
– 2014 Jan 21
95 of 228
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.
Signal
PAD jack
IO setting
keyer-output
tip
-
keyer-output
ring
OUT1 mode = Baudot/45
gnd
inner ring
-
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 (COMFSK). 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.
Signal
I/O connector
IO setting
RTTY- output
5 (OUT0)
OUT0 mode = Baudot /45
RTTY -output
6 (OUT1)
-
RTTY -output
3 (OUT2)
-
gnd
8
-
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.