[WT-support] HELP!

Bob Wilson, N6TV n6tv at arrl.net
Sat Sep 25 01:45:25 CEST 2010


Also make sure "Source" is not set to MONO under the MISC tab of MMTTY setup
(bad example, here <http://docs.win-test.com/wiki/BestPractice1#MMTTY>).

On Fri, Sep 24, 2010 at 4:37 PM, Bob Wilson, N6TV <n6tv at arrl.net> wrote:

> Filipe,
>
> I don't have enough information, so I can only guess.
>
> Make sure the stereo T-adapter is plugged all the way in to the LINE IN
> jack of the sound card, not MIC. IN.  It is easy to mix them up.
>
> Make sure there is no RFI when you connect the common grounds between both
> Radio 1 and Radio 2 through the T connector. If you are using Elecraft K3,
> use the LINE OUT jacks not the headphone jacks.  Only use the left (VFO A)
> channel from each radio.  Ignore VFO B / Sub Rx (right channel).  Turn down
> the RTTY monitor sidetone in the radio so that when radio 1 transmits, very
> little audio leaks through to radio 2.
>
> Connect a heavy braid (coax shield) directly between both radio's ground
> posts so that any RF stays away from the audio line shield as much as
> possible.
>
> Use FSK instead of AFSK.  Make sure the station Mic. is MUTED.
>
> Make sure you are starting TWO copies of MMTTY in separate directories.
> Each copy of MMTTY must be installed in a *separate* directory, e.g.
> Radio1 uses C:\Program Files\MMTTY\MMTTY.EXE and Radio2 uses C:\Program
> Fiels\MMTTY2\MMTTY.EXE.  See this link<http://docs.win-test.com/wiki/Menu:Options#RTTY_configuration...>for an example.  MMTTY 1 should monitor LEFT channel and MMTTY 2 should
> monitor RIGHT channel.
>
> Make sure you are not using any of the Advanced SO2R Scenarios that mix up
> the audio from both radios using $R1R2 etc.
>
> Are you using MK2R+?
>
> If you still can't figure it out, I would have to see all the screen shots
> or you would have to install CrossLoop and a broadband connection for
> debugging the setup remotely.
>
> 73,
> Bob, N6TV
>
>
> On Fri, Sep 24, 2010 at 4:06 PM, <ct1ilt at sapo.pt> wrote:
>
>> Hi guys,
>>
>> I am trying to setup eveything for WW RTTY to operate SO2R but I am
>> having an audio issue.
>>
>> I have audio from radio 1 into an RCA plug and audio from radio 2 into
>> another RCA plug then I use a T from 2xRCA to Jack so I have 1 sign to
>> tip of jack and the other signal to next contact of Jack plug.
>>
>> My problem is after TXing for example on Radio 1 the audio will be
>> mixed up and appear on Both MMTTY windows or one will be with overflow
>> signal and the other almost no signal.
>>
>> I have the Jack plug into LINE-IN port of my sound card SB LIVE 1400!
>>
>> I have chosen Left channel for RADIO A and right channel for RADIO B
>> in MMTTY configs.
>>
>>
>> any idea how to fix this so I have the proper audio on each MMTTY scope?
>>
>> Thank you
>>
>> Filipe CT1ILT aka CR6K
>> _______________________________________________
>> Support mailing list
>> Support at win-test.com
>> http://www.f5mzn.org/cgi-bin/mailman/listinfo/support
>>
>
>
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