Set the display to show the power supply voltage and watch it while you 
transmit. The transmitter requires a voltage over 11 V for more than 5 W.

If the voltage is dropping below 11 V, that is the problem.

This in the specifications section of the KX3 manual.

wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)

> On Mar 18, 2019, at 11:33 AM, Tommy <tomm...@hvc.rr.com> wrote:
> 
>    Hi folks,
> 
>      I'm running FT8 with a KX2 powered by a power supply. The rig keeps 
> folding back from 10-12 watts to 5 every time and it's barely even warm.  
> I'll set it to 12W for instance, it'll transmit fine at that level but when 
> done cut back to 5w. I don't transmit often enough for it to get hot enough 
> to protect itself. AGC is off. Any ideas? I appreciate any feedback.
> 
> 73 de Tom - KB2SMS
> 
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html

______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html

Reply via email to