[Elecraft] K2 with KAT2 and KXPA100 with ATU - Correct setup?

[Matt VK2RQ]

I think Don meant *POUT* mode won't work because it retains the L/C setting. CALP mode works fine bypassing the ATU, and this is what I normally use. In fact, I assign the ATU mode menu setting to the PF1 key so I can easily activate/deactivate the KAT2 depending whether I am using the KXPA100 or not.

73,
Matt VK2RQ

> On 1 Apr 2015, at 6:58 am, Don Wilhelm <w3fpr at embarqmail.com> wrote:
> 
> Mark,
> 
> Set the K2 ATU menu parameter to CALP or CALS depending on whether you want to read the Power or SWR between the K2 and the KXPA100.
> Those two setting "bypass" the KAT2 (except for any residual reactance).
> CALP will not work because that setting retains the last used L/C combination.
> 
> 73,
> Don W3FPR
> 
>> On 3/31/2015 2:24 PM, Mark Raybould wrote:
>> I have built, installed and tested a keying circuit and followed the
>> instructions to interface the KXPA100 with the "Basic Operation with any
>> Transceiver".  My KX3 requires PA Mode to be On allowing all antenna
>> matching to be done by the KXPA100.  With the K2 and its KAT2 ATU, I cannot
>> identify how to bypass the ATU and allow the KXPA100's ATU to do the
>> antenna matching.  I have previously adjusted the KXPA100's ALC to
>> accommodate an FT817.
>> 
>> 
> 
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