[Elecraft] KX3 production firmware release (MCU rev 0.91) and new

[Wayne Burdick]

Lance Collister, W7GJ wrote:

> Good news about the PTT IN on the ACC2IO ;-)  I assume this will  
> cause the KX3 to go into TX when the tip of ACC2 is  
> grounded...correct?

Yes.


> Any plans (if even possible) to offer the menu option make the KX3  
> go into to TX when the tip of ACC2 is HIGH (so it would work  
> directly off the RTS serial port line when it goes high for TX)?

I could provide both LO=PTT IN and HI=PTT IN options. Good idea. Note  
that this is 3-V logic (but 5-V tolerant). Anything outside the range  
of 0-5 V would require clamping or a large current-limiting resistor.

Wayne