[Elecraft] KX3 Power Sense

[Matthew Zilmer]

That's the way my KX3 #6 works too.  It's what I'd expect.

Firmware:  MCU 1.12, DSP 0.94

Matt Zilmer W6NIA
In status quo voluntas non sufficit

-----Original Message-----
From: elecraft-bounces at mailman.qth.net [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of N4CW at aol.com
Sent: Tuesday, August 28, 2012 3:47 PM
To: elecraft at mailman.qth.net
Subject: [Elecraft] KX3 Power Sense

It's my understanding that the KX3 will "sense" the input voltage and adjust power output correspondingly.
That is, if I'm using internal NiMH batteries, power output will be limited  to 5 Watts, and if I'm powering the
KX3 from a 13.8 Volt source, power output will be allowed to go all the way  to 12 Watts. Right?
 
Well, here's what I'm experiencing: Let's say I've got my power set to 10 Watts using a 13.8 Volt source and my KX3 display indicates 10W output. If I  turn off the KX3, unplug the 13.8 Volt source and run off batteries, my power out (as indicated by the KX3 display) is 5 Watts...fine! Now, if I turn  off the KX3, plug in the 13.8 Volt source back into the KX3, and then power on,  output is still at 5 Watts. I have to readjust PWR to 10 Watts to get
10 Watts  out.
 
Is that the way it's supposed to work, or am I missing a setting somewhere? 
 
Bert, N4CW/K1IMI
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