[Elecraft] KAT500 without KPA500

[Dick Dievendorff]

Should be fine.  

Use a cable with RCA plugs to connect the K3's KEY OUT connector to one of
the KAT500's PTT RELAY connectors, and another RCA cable the other KAT500
PTT RELAY connector to the amplifier KEY IN.    This allows the KAT500 to
interrupt the PA key line during tuning.

When you move to a KPA500, add an additional 15-pin ACC cable from KAT500 to
amp, and don't use the RCA cables, as the key lines are incorporated in the
15-pin cables.

73 de Dick, K6KR

-----Original Message-----
From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of George
Kidder
Sent: Saturday, December 17, 2016 08:09
To: elecraft at mailman.qth.net
Subject: [Elecraft] KAT500 without KPA500

I am considering purchase of the KAT500 to use with my K3 and an old AL-80A,
with a view to future expansion to the KPA500.  Is there any reason why an
Auxbus cable direct from the K3 to the KAT500 would not provide the
necessary band and frequency information?

George, W3HBM
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