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

[Don Wilhelm]

Matt,

Sorry about the "brain fade"  I did not type what my mind was thinking.
Yes, POUT will not work for the reasons mentioned - CALP *will* work to 
bypass the KAT2.
Either CALP or CALS setting of the KAT2 will bypass the L/C components.

73,
Don W3FPR

On 3/31/2015 4:42 PM, Matt VK2RQ wrote:
> 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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