[Elecraft] Tuning procedure for KX3, KXPA100 and KAT500?

[Bill Johnson]

I would suggest using a few watts out on the KX3 to start and add the 3db pad using the rear switch.  This will give you simpler adjustment range and hold the output of the KXPA100 down.

73,
Bill
K9YEQ

-----Original Message-----
From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of tomb18
Sent: Wednesday, January 25, 2017 11:31 PM
To: donwilh at embarqmail.com; Kenneth Christiansen <wocz at i29.net>; Kenneth Christiansen <w0cz at i29.net>
Cc: Elecraft at mailman.qth.net
Subject: Re: [Elecraft] Tuning procedure for KX3, KXPA100 and KAT500?

Hi The kx3 or kx2 and kxpa100 will work just like a k3 and a kpa500. Make sure the kxpa100 is enabled in the kx3. Make sure the tuner is bypassed in both the kx3 and kxpa100, also make sure the power is lower than 30w out. Then you need the kat500 which will tune the antenna. In this combo, the kpa500 must be set to the band you wish to use.73 Tom 


Sent from my Samsung Galaxy smartphone.
-------- Original message --------From: Don Wilhelm <donwilh at embarqmail.com> Date: 2017-01-25  10:58 PM  (GMT-05:00) To: Kenneth Christiansen <wocz at i29.net>, Kenneth Christiansen <w0cz at i29.net> Cc: Elecraft at mailman.qth.net Subject: Re: [Elecraft] Tuning procedure for KX3, KXPA100 and KAT500? 
Ken,

If you are using TUNE (and not ATU TUNE), then there is no need for a macro.  Just go into the menu and set the KX3 TUN PWR entry as desired.

The ATU TUNE works with the KX3 alone or the KX3/KXPA100/KXAT100, but I don't know what happens if you use it with the KPA500.

73,
Don W3FPR

On 1/25/2017 10:44 PM, Kenneth Christiansen wrote:
> Hi again to the group
>
> Jim and Fred both recommended lower power below 10 watts so the KXPA100 does not kick in. I tried it with my K3S when I got home from teaching the radio class and that does look as though it will work well. I hope to get over to his place this week end and get everything working.
>
> I no longer have enough equipment to look for spurious frequencies but most of the time his KXPA100 would complete and the KAT500 would show very low SWR on the power meter I had along. The SWR on both my meter and the SWR line of the K3S display jump all over the place while the KAT500 relays are operating so I consider that normal.
>
> I am think of making a macro to turn the power down for tuning and if anyone know commands to turn the KX3 tuner off and the PA on in a macro please let me know and I will put it on one of his two PF keys.
>
> Thanks for the help and I will let you know later how we come out.
>
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