Yup. All you have to do is stabilize the power supply at the K3. I recommend a DC-DC converter for this.
73, matt W6NIA On Fri, 21 Sep 2012 14:22:26 -0700, you wrote: >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
