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 <[email protected]> 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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