[Elecraft] Sidetone Monitor Preference Opinions

Brett Howard brett at livecomputers.com
Tue Jul 29 15:33:07 EDT 2008


Yea this is kinda what I figured would need to happen.  I wasn't sure though
so I wasn't going to speak on it till I'd gotten a chance to go home and try
it.

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of drewko1 at verizon.net
Sent: Tuesday, July 29, 2008 11:18 AM
To: Elecraft at mailman.qth.net
Subject: Re: [Elecraft] Sidetone Monitor Preference Opinions

On Tue, 29 Jul 2008 10:41:24 -0700, Keith N1AS wrote:

>
>
>Which brings us to the "old fashioned" way to adjust the pitch of the RX
>signal - RIT.  It keeps the TX on the same frequency and as long as you
>don't adjust it too far, the signal will stay in the passband.  Better
>yet, combine it with an IF Shift and you can go farther with RIT while
>keeping the signal where you want it in the passband.
>
>

Keith, 

Say you have managed to tune in a very weak signal to the very
optimum... no further adjustment on the K3 controls could improve it.
Except, your offset is 400 Hz; but some combination of QRM, noise, his
code speed, keying characteristics and your own psycho-acoustics would
make it easier to copy at, say, 800 Hz. Turning the VFO (or RIT) 400
Hz will put him out of the passband (then use SHIFT, etc, i know...). 

Why not just be able to vary the pitch; the K3 keeps the signal
centered in the passband. This seems like the obvious simple solution.

I wonder if it would be possible to just have received audio when
PITCH is engaged. Then we could turn the sidetone volume to zero and
observe the pitch variation of the received signals directly. It is a
little clumsy  but I wouldn't mind and I don't think this feature
would upset anyone with more control functions, etc.

73,
Drew
AF2Z

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