[Kenwood] TS-950SDX & Sound Card RTTY

Mon Jul 30 13:13:03 EDT 2007

When the radio is in FSK mode, it expects to be keyed at the FSK jack. 
I accomplish this with a 4N33 opto-isolator from the TxD pin of a
"normal" serial port (i.e. true 16550 compatible) to the FSK jack.
Mike, W1NR
VA3DG wrote:
> Hi All....
>> I'm having some difficulty getting my 950SDX to transmit sound card generated RTTY when the radio is in the FSK mode. It works OK when the radio is in SSB, but in FSK mode all I get is a solid tone being transmitted.
>> I'm using an outboard sound card, in this case a SignaLink, which is plugged into the 13 pin DIN ACC2 jack.
>> There's no problem using the FSK mode with a Kantronics KAM Plus TNC.
>> Anybody have any ideas around this?
>> TIA
>> Cheers.....
> Darrell, VA3DG/VE3DDG
>>> ______________________________________________________________
> Kenwood mailing list
> Home: http://mailman.qth.net/mailman/listinfo/kenwood
> Help: http://mailman.qth.net/mmfaq.html
> Post: mailto:Kenwood at mailman.qth.net
>>