[Elecraft] No USB audio output from K3/0 Mini

[Oliver Dröse]

That interpretation was correct, Ian. Sorry for not being clear enough 
in the beginning. The mini's internal sound card is hardwired concerning 
the in- and outputs so to get it working in a sense that Palle want's 
some hardware modification would be needed.

73, Olli

Contest, DX & radio projects: http://www.dh8bqa.de


Am 12.05.2017 um 02:57 schrieb iain macdonnell - N6ML:
> On Thu, May 11, 2017 at 5:20 PM, Palle Preben-Hansen, OZ1RH
> <palle at oz1rh.com> wrote:
>> If TX and RX audio are reversed on the Mini's USB port the simple solution
>> seems to reverse TX and RX audio once more by software, either by selecting
>> the Input as USB speakers and Output as USB microphone in WSJT or wherever
>> software is used or if that is not possible then to use two virtual audio
>> cables and cross them.
>>
>> Any reason that two virtual audio cables in the pc at the control site
>> can't reverse Input and Output of the USB audio devices of the K3/0-Mini?
> I don't think that's what Olli meant by "reversed". I think he means
> that audio received from the K3/0-Mini via the USB "codec" would be
> audio that was intended to be conveyed (by the PC) to a remote peer
> for transmission (e.g. from a mic connected to the K3/0-Mini), and
> audio sent to the K3/0-Mini via USB "codec" would be output through
> its speaker or headphones, as if it had been received from a remote
> peer.... so you can't send audio to the K3/0-Mini through the USB
> "codec" and expect it to get passed along via the RemoteRig on the
> other side, no matter what fancy virtual plumbing you do in software.
>
> I don't have a K3/0-Mini or RemoteRig setup, but that's the only
> interpretation that makes sense to me.
>
>
>> The best solution would be if the K3/0-Mini's USB port Input and Output
>> audio could be configured (=reversed) by the Config menu of the K3/0-Mini.
>> In that case the K3/0-Mini's USB port could be configured by the user for
>> either Remoterig hardware or software RemoteHams.com and it would be easy
>> to switch.
> But it'd have to be electrically switched inside, and I suspect that
> such switching is not implemented (in hardware).
>
> Just "guessing" ;)
>
> 73,
>
>      ~iain / N6ML
>
>
>
>> On Thu, May 11, 2017 at 9:02 PM, Oliver Dröse <droese at necg.de> wrote:
>>
>>> Hi Palle,
>>>
>>> this won't work. TX and RX audio are reversed on the mini's USB port as
>>> it's intend is to interface to the PC and use that as a relay to the remote
>>> (as an alternative to the RRC boxes). It's a real pity it is not jumper
>>> configurable inside as this renders the USB port useless for digital remote
>>> ops.
>>>
>>> 73, Olli - DH8BQA
>>>
>>>
>>>
>>>> Am 10.05.2017 um 14:44 schrieb Palle Preben-Hansen, OZ1RH <
>>> palle at oz1rh.com>:
>>>> I have a running K3-Remote setup with Remoterig boxes, K3/0 Mini
>>>> and RRMINICBL & RRMTCBL cable sets. Everything but the USB audio to/from
>>>> the K3/0 Mini works. I have a USB cable from the K3/0 Mini to my pc at
>>> the
>>>> control site. A USB audio device is created on my Win 10 pc, but using
>>>> this USB audio device from WSJT-X version 1.7.0 the program gets no
>>>> audio. The K3 and K3/0 Mini has firmware 5.57.
>>>>
>>>> According to www.elecraft.com/K3-Remote/k3_remote.htm this should work:
>>> *The
>>>> K3/0-Mini comes with built-in USB support using the USB audio CODEC &
>>> FTDI
>>>> technology.*
>>>>
>>>> On the Remoterig Forum at www.remoterig.com/forum/index.php there are
>>> some
>>>> posts on this problem, but no solution. I have also in vain searched
>>>> www.mail-archive.com/elecraft at mailman.qth.net/maillist.html I hope the
>>>> Elecraft experts here can help.
>>>>
>>>> 73, Palle, OZ1RH
>>>> www.oz1rh.com
>>>>
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