Any recommendation or specific brand or place to purchase one for a KX3. Appreciate the sharing of knowledge.
Thanks, Keith AG6AZ Sent from my iPhone please excuse typos On Sep 21, 2012, at 4:19 PM, "Matt Zilmer" <[email protected]> wrote: > 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
