On Thu, Oct 24, 2019 at 1:20 PM Jim Leder <k8...@hotmail.com> wrote:
>
> Just got back from visiting a friend who has an older K3. After fussing 
> around with RS232 cables, we finally got the firmware updated, it was quite 
> old. But, BEFORE we did the update we knew we had the problem (reason we did 
> the update). So, the update had no bearing on what is wrong
> Problem is the VFO B knob has NO effect on anything. He can’t run split by 
> using it even though he is able to do A>B ok. To change the B frequency, he 
> needs to do A/B , change it, then A/B back again. Doing the split will allow 
> it to transmit what’s in B, he just can’t change it with the VFO B control.
> Related to this is the inability to enter the config menu and scroll through 
> the options.
>
> Net is the VFO B control does nothing.
>
> I suspect something to do with the alternate VFO encoder or one of it’s 
> connections.
>
> Opinions? Seems to me a visit back to the mothership.

... or try to diagnose and fix it yourself. The VFO A and B encoders
are the same, so you could swap them to determine if it's the encoder
that's bad or something else....

73,

    ~iain / N6ML
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