[Elecraft] Re: K3 firmware problems

[Dave Martin]

> I am having a problem with the new release.  When I reduce the filter width
> to jump from the wide fillter to the next narrower filter in CW mode, the
> DSP dies or hangs. I get E 00000C  ERR DSE on the front display and the RX
> goes dead.
>
>  I also get a very loud squeal when turning ON the rig.  The squeal is not
> effected by the AF volume.  It is 1.5 -2 KHz and quite ear shattering
> lasting 2-3 seconds.  Is there a straight forward way to revert to an older
> firmware like 1.78/1.58?
>
>  Regards Ed KE3D
>
When I first got #605 up and running I had some odd symptoms including
the loud squeal.  I fixed mine by reloading the DSP table.  Apparently
something had gotten corrupted.  Maybe that will fix yours, too.
Might be worth trying.

Dave  W5DHM