Keep in mind that I've powered down my K3 many, many times by pulling the
plug, not hitting the POWER button, with no problems whatsoever. 

That's why I asked Wayne about it when the issue came up before and he said
that it is *possible* for data to be corrupted *if* a write process is going
on when power is pulled. 

Data writes happen in response to many things. One of the engineers would
have to list them. But it's obvious that problem doesn't crop of often! One
caveat to my experience is that when I "pulled the plug" I had the K3 on the
bench in bits, not when I'm operating. It's unlikely I've adjusted any
controls or pressed any buttons that might trigger a data write for some
time before the power was removed. 

I'm not losing any sleep over the possibility of a "problem" should I lose
mains power suddenly (which happens often in our area). Even if such a power
loss happened and caused a data issue, I know I can reload from my pc and be
up and running again quickly. 

It only became an issue when someone who had long been in the habit of
simply pulling the "big switch" on his power supply suddenly noticed
something odd next time he operated and so I looked into it. I mention it
here today for the same reason. It's such an infrequent issue that it's
worth knowing about should you experience a power loss and then notice
something "funny" about your K3 afterward.

The fix is easy and quick.

Ron AC7AC

-----Original Message-----

Joe,

Many thanks for your help.

I had been toying with the idea of buying a K3 for use at another QTH, but 
there the mains supply is not 100% reliable. If bad things can happen if the

13.8V supply shuts down as the result of a mains outage, that is serious.

73,
Geoff
GM4ESD



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