[Elecraft] Made a DB15 cable to connect K3 + KAT500, but now Amp is disabled

[zl2ke]

Problem solved!  Amp works with K3 and KAT500!
And the KAT500 tracks along with the K3 when band switching, with no need
for retuning. 

*I removed the pin #10 wire from the K3 end of the cable.*

BTW, before I removed the wire from #10  I checked to see if
it had a connection to any other pin - and no, all was OK.

Thanks to everyone who posted here and sent me emails.
It has been an interesting experience. However what I cannot understand
is why Elecraft did not put this solution in the KAT500 or K3 manuals, or at
least
online - with a clear diagram showing: [K3 + KAT500, + a non Elecraft amp],
and the
necessity of using a pin #10 interrupter or how to achieve this when making
a homebrew
(longer) cable. If it is in the manual(s) it is not clear.

Elecraft customer support (and sales, and parts) have been superb. When I 
submit my eham review it will be a 5/5 based on the prompt and friendly
service 
Elecraft offers and of course the top technical aspects. However, customer
support led me wrong by telling me I did not need a DB15 interrupter. The
Elecraft
guys are far far more knowledgeable than I am or will be, so I guess there
was
a misunderstanding somewhere. Using a non Elecraft amp with a K3 and KAT500
is surely not an uncommon occurrence, so the proper method of connection
between
these three units should be made clear and simple. 

BTW, it is 2.30 PM here in ZL land and I notice that 20m is in good shape. 
<Sigh>, if I turn my amp on, there will be an even bigger Russian / Eu pile
up to
contend with. Life is hard...  Guess I will try QRP, hi hi.

Cheers,  Steve  ZL2KE



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