[Elecraft] K3: listening to both rcvrs
Dr. James C. Garland
4cx250b at muohio.edu
Sun Nov 16 12:19:18 EST 2008
Joe,
Your comment strikes me as unnecessarily negative. (Pollute? Crosstalk?) I
thought Fred's suggestion, coming as it does from a very experienced CW
contester, makes a lot of sense.
73,
Jim W8ZR
> -----Original Message-----
> From: elecraft-bounces at mailman.qth.net [mailto:elecraft-
> bounces at mailman.qth.net] On Behalf Of Joe Subich, W4TV
> Sent: Sunday, November 16, 2008 10:09 AM
> To: 'cloud runner'; 'Elecraft Reflector'
> Subject: RE: [Elecraft] K3: listening to both rcvrs
>
>
> If you must pollute the audio from one receiver with audio
> from the other receiver, add a 5 to 10K pot between the tip
> and the ring of your headphones and adjust it for the level
> of pollution you need.
>
> There is no need for Wayne (or probably Lyle) to design
> crosstalk into the DSP process.
>
> 73,
>
> ... Joe, W4TV
>
>
>
>
> > -----Original Message-----
> > From: elecraft-bounces at mailman.qth.net
> > [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of cloud runner
> > Sent: Sunday, November 16, 2008 11:03 AM
> > To: elecraft at mailman.qth.net
> > Subject: [Elecraft] K3: listening to both rcvrs
> >
> >
> > for what it may be worth...
> >
> > For my pair-of-K2's in SO2R, I have routed the audio in such
> > a way that I have a balance control with the audio from the
> > two radios. I call it a mixing control. I find that
> > "optimum" is achieved when the full strength audio is in one
> > ear, and that same audio is present, but weak in the other
> > ear. I reason that when the audio goes to one ear only, the
> > content must get to the other hemisphere of the brain within
> > brain circuitry. When it is routed to both ears, now both
> > hemispheres get the information for interpretation at the
> > same time. Making it strong in one ear and weak in the
> > other, reversed for the other channel, lets me know which
> > rcvr I am hearing, while brain interpretation is at full speed.
> >
> > and so, Wayne...
> >
> > I think that there must be a firmware way either by routing
> > to a panel pot, or probably more simply in a menu, by which
> > the operator can select either complete channel isolation, or
> > both channels to both ears, but with one ear X DB down from
> > the other. (I can't say how much down is best,but I find
> > that it is enough when I can barely notice it. All of a
> > sudden copy is MUCH easier). Give it a thought because of
> > the above, I, at least, am quite convinced after a lot of
> > usage with a pair of K2's in SO2R, that is a much better
> > arrangement for copying CW from the two channels.
> >
> > with much appreciation for this fine radio,
> >
> > 73, Fd - KT5X
> >
> > K2 # 0700
> > K3 # 0144
> >
>
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