[Elecraft] KX3 keyline questions

[Wayne Burdick]

Steve,

Are you sure you're looking at the ACC2 ring contact? Ring is KEY OUT; tip is GPIO, a logic signal configurable in the ACC2 IO Menu entry.

Wayne
N6KR


> On Nov 21, 2020, at 1:12 PM, Steve Zabarnick <zabarnick at gmail.com> wrote:
> 
> I'm exploring using my KX3 with the QRP-Labs 50W Amplifier. In measuring
> the keyline output, I get zero volts to ground when in receive and about
> 0.5 volts in transmit. When measuring resistance across the keyline I get
> about 70 ohms in receive and 5K ohms in transmit.
> 
> Isn't the keyline supposed to be open in receive and grounded in transmit?
> 
> Steve N9SZ