[Elecraft] [K3] USB Interface

[Ed Muns]

"RX" audio, not TX.

73,
Ed W0YK
On Sep 8, 2017 1:40 PM, Ed Muns <ed at w0yk.com> wrote:
>
> I think John is asking about LINE OUT of the K3 for TX audio into the PC for MMTTY decode.
>
> 73,
> Ed W0YK
> On Sep 8, 2017 12:50 PM, Don Wilhelm <donwilh at embarqmail.com> wrote:
> >
> > John,
> >
> > Look back to posts earlier today regarding WSJT-X.
> >
> > We have been discussing how to set the audio levels for WSJT-X, but the 
> > same thing applies to and all other soundcard digital modes, including 
> > AFSK A - which you should be using with MMTTY.  It defaults to LSB, 
> > turns off compression and TX EQ (so you don't have to disturb your SSB 
> > settings).  See the manual for the features available with AFSK A mode.
> >
> > Set the MIC SEL to LINE.
> >
> > Like all other data modes with the K3 (and other Elecraft gear), set the 
> > audio for 4 bars on the ALC meter with the 5th one flashing.  Adjust the 
> > power with the POWER knob.
> > Ignore the common internet advice (and some software instructions) which 
> > say to "set the power to maximum and use the audio level to control the 
> > power" - that does not work well with Elecraft gear because it is unique 
> > among amateur tranceiver in the way the power is controlled.
> > Some commercial transceivers control power in the same way as Elecraft 
> > gear, but no other amateur transceivers that I am aware of.
> >
> > 73,
> > Don W3FPR
> >
> > On 9/8/2017 3:02 PM, John Reilly wrote:
> > > I have the USB interface card in my K3. I use the audio out (USB 
> > > Microphone) for the MTTY program. Question is how to set the audio 
> > > levels. FWIW, I currently have the K3 Line Out set to 5, and the 
> > > computer USB Mic level set to around mid-scale. Is there a better 
> > > combination for improved dynamic range and low distortion?
> > > Thanks,
> > >    - 73, John, N0TA
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