Fw: [Elecraft] Update Strange problem when switching modes from VFO A to B

Jack Colson jcolson7 at tampabay.rr.com
Mon Dec 15 17:10:33 EST 2008


I jsut loaded the latest beta firmware and the strange audio stlll 
remains.  Thanks to all who made comments and suggestions.
73
Jack, W3TMZ
----- Original Message ----- 
From: "Jack Colson" <jcolson7 at tampabay.rr.com>
To: <elecraft at mailman.qth.net>
Sent: Sunday, December 14, 2008 8:39 PM
Subject: [Elecraft] Strange problem when switching modes from VFO A to B


>I have VFO A programmed for CW on each band, VFO B programmed for SSB 
>(makes no difference which sideband ).  Power up the K3 on VFO A then 
>switch over to VFO B and the signal generated is extremely distorted 
>and sounds like it is being transmitted via a very narrow filter.  To 
>correct this problem simply switch the mode from L or USB to CW and 
>back again to L or USB.  Audio is then restored to normal.  I have the 
>filters programmed correctly, the 2.7KHz filter is used for transmit. 
>I am using the ESSB mode with a 4 KHz filter.  This problem is 
>independent of band.
>
> I mentioned this to Gary who passed it onto Lyle and who was unable to 
> make it happen.  I am using firmware 2.38 DSP 1.92.  I am waiting for 
> an update which will fix the turn on audio spike before updating.
>
> Any suggestions ?  It is just a nuisance getting a report of who is 
> that calling!!!
>
> 73,
> Jack, W3TMZ
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