[Elecraft] K2 with KPA500 and KAT500 setup

[Jack Brindle]

I believe you have it right. You could also leave the AUX cable connected from the KAT to the KPA so that the KAT can interrupt the KPA’s PTT signal. You need either that or the RCA-plug cable that you described.

You might want to connect the K2’s serial port to the KPA’s XCVR serial port, select RADIO=SERIAL in the KPA’s menu, and get things going that way. This is tested (by me, among others), and is known to work. If you are using the K2 and KPA/KAT with a computer, be sure to use a Y-adapter (you will have to make one) so that the KPA simply eavesdrops on the computer - K2 communication. If there is no computer, connect the two directly, then set the KPA’s SER POLL menu item to ON so that it will send serial commands to the K2 to get the band.

Enjoy the setup!

Jack Brindle, W6FB
Elecraft Engineering

On Jun 7, 2014, at 4:24 PM, Robert G Strickland <rcrgs at verizon.net> wrote:

> I'm  going to use my K2 for Field Day. In prep, I'm putting the K3 aside and putting the K2 back in the station lineup in order to  re-acquaint myself with the its operation. Looking at the cabling diagrams in the KPA500/KAT500 manuals, an RCA jack line from the K2 to the tuner and another RCA jack line from the tuner to the amp looks pretty straight forward. With this setup, do I disconnect the keying/integration cables that normally connect the K3, KPA500 and KAT500? Assuming so, are there any other aspects of using the K2 with the other K-Line units to which I should pay attention? Thanks.
> 
> ...robert
> -- 
> Robert G Strickland, PhD ABPH - KE2WY
> rcrgs at verizon.net.usa
> Syracuse, New York, USA
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