RC,
This may be dumb of me, but did you do these steps??
Set the ATU parameter to CAL using the menu.
1) Pre-set potentiometers R1 and R2 on the bottom of the ATU
board to exactly their mid-points.
2) Touch the (+) lead of a digital multimeter (DMM) or analog
voltmeter to the small hole near the "REFL" label on the
bottom of the KXAT1 board. Connect the (-) lead to one of the
KX1's long standoffs.
3) Set the voltmeter for 2 or 3 DC volts full scale.
Just a thought...
Dave KK7SS
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