[Elecraft] KXPA100 amp and ATTN switch

[Larry Naumann]

I just connected my new KXPA100 to my KX3 via a home-brew KX3-KXPA100 Adapter Cable.
Everything works just fine if I have the 3dB attenuator switch set to IN.
I fI set it to OUT/AUTO as described in the manual I end up overdriving the amp, meaning the power out is much higher 
than set on the KX3.
All the other functions work just fine.
Anyone have any ideas?
Larry
n0sa