From the instructions for the KXBC3, page 2: “Only a few microamperes of current are required to keep the clock running when the KX3 is off. This is supplied by either the external power supply or the internal batteries.”
http://www.elecraft.com/manual/Elecraft%20KXBC3%20Installation%20and%20Operation%20Rev%20A2.pdf I believe the KX3 always uses the source with the higher voltage, whether it is internal or external. wunder K6WRU Walter Underwood CM87wj http://observer.wunderwood.org/ (my blog) > On Nov 27, 2017, at 8:47 AM, Dave B via Elecraft <[email protected]> > wrote: > > Hi Bob. > > That's not what I was asking. What I would like to know, is:- > > Should the clock use External power (if present) instead of the > installed batteries (whatever their type might be) when the radio is in > the "OFF" state (i.e. Not in use.) > > If I remove the cell's, then they retain their charge for many weeks > without problem. In the radio, they will drain to a low value after a > couple of weeks. Even if it is still hooked to the always on, shack DC > power system. > > Is this a "Feature" or "Fault/Bug" ? > > 73. > > Dave G0WBX. > > PS: I have had no trouble setting the clock from the utility program, > running Windows(7) or Linux(Mint). > >>> << > > > On 27/11/17 16:07, [email protected] wrote: >> From: Bob N3MNT <[email protected]> >> To: [email protected] >> Subject: Re: [Elecraft] KX3 clock & battery. (Was KX3 clock will not >> set from KX3 utility) >> Message-ID: <[email protected]> >> Content-Type: text/plain; charset=us-ascii >> >> Something is not right. I am using eneloops and can go many months between >> charges ( usually only top off charges) and my power supply if off when the >> rig is not is use. > > ______________________________________________________________ > 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 > Message delivered to [email protected] ______________________________________________________________ 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 Message delivered to [email protected]
