[Elecraft] K3 REF*CAL issue - Resolved

hawley, charles j jr c-hawley at illinois.edu
Sat Aug 4 20:47:29 EDT 2018


Bad link...

Chuck Jack 
KE9UW

Sent from my iPhone, cjack 

> On Aug 4, 2018, at 7:06 PM, Gary Smith <Gary at ka1j.com> wrote:
> 
> I do not know why it was working a few 
> days back and not working now but I found 
> the answer revealed on this web page: 
> 
> http://elecraft.365791.n2.nabble.com/K3EXR
> EF-What-am-I-doing-wrong-td7614721.html
> 
> It is stated in an addendum that when in 
> REF CAL & you have the external 10 MHz 
> source connected, you have to press 2 on 
> the keypad to enable XREF IN. 
> 
> By doing so the asterisk started in about 
> 10 seconds and all is well, the radio is 
> again properly maintaining the frequency. 
> No idea what made this function stop but 
> this is what it took to start it again.
> 
> 73,
> 
> Gary
> KA1J
> 
> 
>> I have the K3EXREF installed in this K3. I 
>> noticed when I clicked on a signal with 
>> the P3 & marker, the signal was off a tad 
>> from where it should be. On a hunch I 
>> checked REF CAL and the asterisk was 
>> missing. I know REF CAL had the flashing 
>> asterisk a few days ago.
>> 
>> I measured the signal coming from the 
>> GPSDO and it was 10.000 0 MHz according to 
>> the MFJ analyzer. I had recently put in 
>> filters in the K3, a KXV3B and a KIO3B and 
>> thought I might have dislodged a coax in 
>> the K3 so I assured the integrity of all 
>> the coax cables (I have the new synth 
>> board). I also assured the K3EXREF was 
>> seated properly and there were no obvious 
>> loose components. I cannot get the 
>> asterisk to flash and the board to lock 
>> with the 10 MHz signal.
>> 
>> I had to manually calibrate to WWV and it 
>> was quite off.Does anyone have a 
>> suggestion for me to try and get this to 
>> sync? I re-read the K3EXREF  installation 
>> instructions and the board is nicely in 
>> place, reloading known good configurations 
>> with the K3 utility made no change. 
>> 
>> Either I borked a setting somewhere in 
>> config or I have a failed component.
>> 
>> Anyone have this issue before & found a 
>> resolution?
>> 
>> Thanks.
>> 
>> 73,
>> 
>> Gary
>> KA1J
>> ______________________________________________________________
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> 
> 
> 
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