Dave,

I suspect you also have the KDSP2 installed.

Try increasing the setting of T-R delay. Also EDIT the T-R parameter and push DISPLAY to toggle between 8R NOR and 8R HOLD - use the one that reduces the pop better.

The situation is apparently caused by the delay through the KDSP2 which modifies the mute timing and causes a pop on unmute. There is some (yet undefined to me) influence from the KPA100 T/R switching. If you have an older KPA100 (before Nov 2006) adding the KPA100UPKT to your KPA100 may help. Why this appears on some K2 and not others is an additional mystery I have not yet figured out.

73,
Don W3FPR

David Walker wrote:
Hi all,

I've just noticed a pop between RX and TX with the KPA installed and the power above 11w. Set below 11w all is fine. There is something on the AC6RM website about this but I can't access it.
Could someone clue me on how to resolve this?
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