K3: Shifted audio image (L-MIX-R)

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K3: Shifted audio image (L-MIX-R)

Sverre Holm (LA3ZA)
Is it only my K3 that has this imaging problem with the audio?

I have my L-MIX-R set to "A Ab" meaning that the main receiver's audio should be centered in the headphones. That works fine when the sub-receiver is on, but as soon as I turn it off, the audio drifts to the left. There is still audio in the right-hand ear, but the image has clearly shifted to the left. This is the case both for the CW and USB modes.

It didn't use to be like this, so I think it must have crept in with the latest firmware updates:
MCU 5.14, FPF 1.19, DSP1 and DSP2 2.83
Sverre, LA3ZA

K2 #2198, K3 #3391,
LA3ZA Blog: http://la3za.blogspot.com,
LA3ZA Unofficial Guide to K2 modifications: http://la3za.blogspot.com/p/la3za-unofficial-guide-to-elecraft-k2.html
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Re: K3: Shifted audio image (L-MIX-R)

Guy Olinger K2AV
Do you have AFX on?  That drifts perceived audio to the left.

73, Guy K2AV

On Thu, May 28, 2015 at 4:24 PM, Sverre Holm (LA3ZA) <[hidden email]> wrote:

> Is it only my K3 that has this imaging problem with the audio?
>
> I have my L-MIX-R set to "A Ab" meaning that the main receiver's audio
> should be centered in the headphones. That works fine when the sub-receiver
> is on, but as soon as I turn it off, the audio drifts to the left. There is
> still audio in the right-hand ear, but the image has clearly shifted to the
> left. This is the case both for the CW and USB modes.
>
> It didn't use to be like this, so I think it must have crept in with the
> latest firmware updates:
> MCU 5.14, FPF 1.19, DSP1 and DSP2 2.83
>
>
>
> -----
> Sverre, LA3ZA
>
> K2 #2198, K3 #3391,
> LA3ZA Blog: http://la3za.blogspot.com,
> LA3ZA Unofficial Guide to K2 modifications:
> http://la3za.blogspot.com/p/la3za-unofficial-guide-to-elecraft-k2.html
> --
> View this message in context:
> http://elecraft.365791.n2.nabble.com/K3-Shifted-audio-image-L-MIX-R-tp7603581.html
> Sent from the Elecraft mailing list archive at Nabble.com.
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Re: K3: Shifted audio image (L-MIX-R)

Gary Hembree-2
In reply to this post by Sverre Holm (LA3ZA)
Try turning the AFX off (tap AFX button).
73
Gary, N7IR
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Re: K3: Shifted audio image (L-MIX-R)

Sverre Holm (LA3ZA)
Yes, my AFX was accidentally turned on.
Thanks to Gary and Guy. Now the CQ WPX contest is going to be much more gentle on my ears!

73
Sverre, LA3ZA

K2 #2198, K3 #3391,
LA3ZA Blog: http://la3za.blogspot.com,
LA3ZA Unofficial Guide to K2 modifications: http://la3za.blogspot.com/p/la3za-unofficial-guide-to-elecraft-k2.html