[Elecraft] KPA500 question

[W2XB]

Hello Dave, 
I am using the K3 and the P3 with the KPA500. I have the Navigator interface
on th aux -y- cable. I was having trouble with the band keys on the amp
also. I ordered the aux cable package and I neglected to connect the
Interrupter adapter on the Y adapter. 
:The Key Line Interrupter adapter opens the amplifier key line for stations
that require such capability—when automatic antenna tuners, remotely tuned
Yagi antennas, or high-SWR protection devices (such as the Elecraft W2) are
employed. When plugged into the dual DE-15 cable, KEY OUT control from the
K3 is no longer routed through the KPAK3AUX. Instead, a separate cable
between the RCA (phono) jack on both units must be used. This key line cable
would then be routed via the antenna tuning control or high-SWR protective
device, which would interrupt the key line during antenna tuning intervals
or when high SWR exists.
Don't know if this will help, but its worth a try..

Don...w2xb

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