Matt That's exactly what has happened I saw the high current flash I didn't see it before because I was driving but I just saw it now so I think there's a positive correlation.
Thank you very much for the insight! Keith AG6AZ Sent from my iPhone please excuse typos On Sep 21, 2012, at 7:18 AM, "Matt Zilmer" <[email protected]> wrote: > The KX3 probably detected a HI CUR condition. This can happen because > of high (or low) PS voltage due to automotive electrical fluctuations. > Sometimes this can happen because of ground current with the antenna > connected, so check this for a positive correlation. > > You should not see HI CUR while on the KX3's internal batteries. This > proves the automotive supply is caused it. > > When the KX3 sees HI CUR (usually something higher than 300 mA on RX), > it will flash that HI CUR message on VFO A. If the condition > persists, it will drop the AF gain to some predetermined value. If > the condition continues beyond that point, the KX3 will shut itself > off to protect itself. In my own case, both the AF gain and > self-shutdown events were happening. HI CUR is preventable in a > mobile setting - see below. > > I produced a pretty good document on KX3 mobile ops, which I'm about > to add to. It's posted on the Elecraft web site at > http://www.elecraft.com/K2_Manual_Download_Page.htm#kx3_mobile. > > Keith, I saw that same type of problem while mobile with KX3 #6 right > up until I installed a DC-DC converter. See the doc for details of > all that. > > 73, > matt W6NIA > KX3 #6, K3 #24, etc. > > On Fri, 21 Sep 2012 05:45:18 -0700, you wrote: > >> I had this happen to me during mobile operations and not sure why either. >> Signals dropped right out and then when I turned off the radio for a few >> minutes and when i turned on the KX3 it went back to where it was prior and >> remained that way. >> >> I will keep an eye on it to see if it happens again. >> >> Keith >> AG6AZ >> >> Sent from my iPhone please excuse typos >> >> On Sep 20, 2012, at 7:43 PM, "Kevin Luxford" <[email protected]> >> wrote: >> >>> Hi Guys, >>> My KX3 has just developed an apparent fault - the audio level changes >>> abruptly every few seconds from a comfortable listening level to quiet, >>> but still audible. >>> >>> I am using my Proset headphones. >>> >>> Any thoughts on where I should start looking? I am nervous about poking >>> around surface mount circuits! >>> >>> vy 73 >>> Kevin >>> VK3DAP / ZL2DAP >>> ______________________________________________________________ >>> Elecraft mailing list >>> Home: http://mailman.qth.net/mailman/listinfo/elecraft >>> Help: http://mailman.qth.net/mmfaq.htm >>> Post: mailto:[email protected] >>> >>> 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:[email protected] >> >> 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:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
