[Elecraft] K3s can only transmit wsjt if the K3s codec is windows default.

Sat Jan 19 22:46:52 EST 2019

So what happens if you don't run Win4K3Suite?   I run WSJT-X and nothing 
else and have NO issues with audio, control, or Windows sound.  I find 
that WSJT-X handles everything that is needed, radio control, audio 
control, and logging.

Conclusion:  More software applications running = more issues and 
problems to resolve.

73

Bob, K4TAX

On 1/19/2019 9:37 PM, Gary Smith wrote:
> Folks, this should be my final post here
> on this but I think the information
> applies to any of us who use the K3s Codec
> with WSJT-X, maybe AFSK too, I haven't
> researched that possibility.
>
> A brief recap to the issue at hand: The
> only way I could get WSJT-X to get the K3S
> to transmit was if I selected the K3s
> codec as default in windows. Doing so
> transmitted computer/internet generated
> sounds along with the WSJT-X signal. -
> Doing the procedure below will resolve
> this issue. Thanks to Peter, VK4JD who
> does not use WSJT-X for pointing this
> obscure setting out to me.
>
> How difficult my signal was, and maybe
> yours unknowingly to you, has to be to
> decode..
>
> Peter's suggestion below is perfect. I
> wanted to find out the easiest way to
> demonstrate this windows "feature". Here
> is a URL that describes how to find this
> page in windows 10. Not sure about earlier
> versions of windows, I only have 10 now.
>
> https://tinyurl.com/y7dc57vm
>
> Now... Something I discovered: you must
> have WSJT-X running to see the option in
> this windows page!
>
> When I went to the page, WSJT-X was not
> showing and then I realized I was not
> running it. I use Win4K3Suite so I started
> that and then started WSJT-X. Moments
> later the WSJT-X sound ap was showing.
> Here is what it looks like in win 10:
>
> http://doctorgary.net/ap-vol-dev-pref.jpg
>
> When Peter's suggestion below led me to
> this windows page, the WSJT-X output and
> input were the windows default output and
> input. I selected the USB codec and that
> is what immediately stopped the K3s from
> sending out superfluous audio with my WSJT
> signal.
>
> To be sure, both the WSJT-X and audio from
> the computer were being sent out
> simultaneously. Not windows sounds, those
> have been off from day 1. I'm talking
> about any sound from any web page or audio
> ap that may be running without you hearing
> it. In this case that caused me issues
> with WSJT-X and the K3s, it was a youtube
> video that was playing & I didn't know it.
>
> I am posting this information to the
> WSJT-X list but since it dealt with the
> K3s, this answer also belongs here.
> Perhaps it is the same with any external
> card you use, as in the K3 with external
> digital soundcard?
>
> Hope you check your windows setting, you
> might be surprised.
>
> 73,
>
> Gary
> KA1J
>
>> Peter,
>>
>> Absolutely brilliant! I never have seen
>> this windows page or read about it, but it
>> absolutely did the trick. I now have an
>> alternate soundcard selected in windows
>> sound control panel and have WSJT-X
>> configured in App volume and device
>> preferences.
>>
>> I have to experiment to be sure nothing
>> gets out sound-wise from the computer but
>> at first exposure, this looks to be dead
>> on.
>>
>> How many others have not yet discovered
>> this!
>>
>> 73!
>>
>> Gary
>> KA1J
>>
>>
>>> G'day Gary,
>>>
>>> This should work :
>>>
>>>   Run WSJT-X
>>>
>>>   Go to the system settings via the cog in the start menu.
>>>
>>>   Click on "System (Display, sound, notifications")
>>>
>>>   Click on "Sound"
>>>
>>>   Scroll down to "Other sound options" and click on "App volume and
>>> device preferences".
>>>
>>>   Select WSJT-X from the list of displayed apps and select your USB
>>> CODEC for both input and output.
>>>
>>> Note that I don't use WSJT-X but that's how it's done for everything
>>> else.
>>>
>>> Cheers,
>>> Peter VK4JD
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: elecraft-bounces at mailman.qth.net
>>> [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Gary Smith
>>> Sent: Saturday, 19 January 2019 1:53 PM To: Elecraft at mailman.qth.net
>>> Subject: [Elecraft] K3s can only transmit wsjt if the K3s codec is
>>> windows default.
>>>
>>> Folks,
>>>
>>> I posted this on the WSJT-X reflector but
>>> got no replies. Perhaps someone here has
>>> the answer.
>>>
>>> ---------------
>>>
>>> Using Windows 10... Joy...
>>>
>>> I have WSJT-X set up to use the K3s USB
>>> Audio Codec, input & output. Both are
>>> selected as Mono.
>>>
>>> The codec is selected in the computer.
>>>
>>> I have found no way to get the K3s to
>>> transmit unless the K3s USB codec is set
>>> to default device in the computer.
>>>
>>> If I have another soundcard/option
>>> selected in the computer, the K3s will
>>> indeed present transmit mode as WSJT-X
>>> signals it to do, but there is no RF
>>> generated from the K3s. It's Lights on,
>>> nobody home. WSJT works fine but also
>>> transfers any computer sound to the K3s
>>> during transmit.
>>>
>>> If nothing is playing on the computer and
>>> the codec is selected as default, I have
>>> no trouble with anything WSJT-X related.
>>> This is how I have had to have it working
>>> for the last 10 months. However, I
>>> recently discovered a youtube was playing
>>> on another page and that audio was coming
>>> through with my WSJT transmission. This is
>>> unacceptable.
>>>
>>> Bottom line seems to be, I must have the
>>> K3s USB codec selected as default in the
>>> windows sound control panel or I cannot
>>> transmit with WSJT-X.
>>>
>>> There must be another something I'm
>>> missing but I can't seem to find it.
>>>
>>> Any suggestions?
>>>
>>> 73,
>>>
>>> Gary
>>> KA1J
>>>
>>>
>>>
>>>
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>>
>>
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>
>
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