[Elecraft] Kpa 500 problem when auxiliary cable connected ...

[Mark E. Musick]

Jorge,
Have you checked the KPA500 menu to see what the transceiver setting is? It
could have changed for some unknown reason. It should be set to K3 for the
K3 to change bands on the KPA500.
When you say it works fine alone, is the KPA500 changing bands correctly
when you change bands on the K3 using the band change button on the K3 not
RF sensing? 

Mark, WB9CIF

-----Original Message-----
From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Jorge
Mejia P
Sent: Saturday, August 13, 2016 12:45 AM
To: Elecraft at mailman.qth.net
Subject: [Elecraft] Kpa 500 problem when auxiliary cable connected ...

I had been successfully using my KPA500 with an Icom and a  K3 ,
alternatively with the use of the Key Line interrupter and a separate key
line. 
Suddenly I cannot change bands on theKPA500  or go on Tx, even though the
auxiliary cable  is well seated and the Key line interrupter is well screwed
to the K3 . The kpa500 works fine with the K3 alone, or when I disconnect
the auxiliary cable from the K3 ,then I can change bands and use it with the
Icom as long as I turn it off and the on again .

This happens even when the K3  is off . I have also tried disconnecting the
k3s serial cable to the computer and even from the PS ,  but no luck. 

Wonder if any one has experienced such a problem.

Any ideas?

Thank you
Jorge HK4CZE


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