[Elecraft] K3: ammeter display does not include 12 RCA acc skt?

[Stephen Prior]

Thanks guys for the lightning speed answers.  Now to ask Icom about
something on my IC-703, wonder how long they will take to respond! :-)

73 Stephen

On 30 May 2011 18:22, Matt Zilmer <mzilmer at verizon.net> wrote:
> Check the schematic.  The aux 12V is really "close" to the 12V input,
> being dropped by one diode and a FET junction.  There's no shunt in
> that leg.  No way to measure I to the 12V output.
>
> matt W6NIA
>
> On Mon, 30 May 2011 18:18:44 +0100, you wrote:
>
>>Well, it's in the title really, but I was surprised to find that
>>turning the P3 off does not reduce the current reading on the K3
>>display (the P3 is powered by the 12v acc skt).  That's a pity as it
>>would be useful to see the load on that socket without using an
>>external ammeter.  Yes, I do have other 12V supplies etc etc..... :-)
>>
>>I guess that's a hardware rather than a firmware issue?
>>
>>73 Stephen G4SJP
>>______________________________________________________________
>>Elecraft mailing list
>>Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>Help: http://mailman.qth.net/mmfaq.htm
>>Post: mailto:Elecraft at mailman.qth.net
>>
>>This list hosted by: http://www.qsl.net
>>Please help support this email list: http://www.qsl.net/donate.html
>