[Elecraft] KX3 with internal batteries won't drive or control KXPA100, KX3 needs 12 volts to work right

[Robert Sands]

Heading says it all. My internal batteries are good for 10 plus volts and 5
watts output from KX3. When joined with the KXPA100 there is no function of
the power control over the amp. Power setting max is 5 Watts and no amp
output. With 12 volts applied, power control works well up to 110 watts.
All is well but I would like to use the internal battery source and be able
to make the twins work as with 12 V. Setup error? Advise please.

Bob K7VO
New KXPA100