[Elecraft] K3 - 2.73/1.98 Clicks on Power On
Iain MacDonnell - N6ML
k6iam at dseven.org
Fri Dec 12 12:56:56 EST 2008
I'm even getting a very loud blast of noise when I power on on 80m band
with no signal. I'm pretty sure the problem is that the AGC hasn't
activated yet. If I turn the AGC off, I get the same level of noise as
the blast on power-on.
This started with one of the recent firmware updates.
~Iain
Ken K3IU wrote:
> I just tried power Off/On using earphones with speakers muted.I hear the
> same loud artifact with the earphones and through the speakers when
> there is a signal on the vfo freq.
> 73, Ken K3IU
>
> Ken K3IU wrote:
>> I notice the same thing, but only when there is a signal on the
>> frequency tuned in on the K3 when power is turned ON. AF gain set at
>> about 9 o'clock, CONFIG:AF GAIN HI. With no signal on the tuned
>> frequency, the loud audio does not happen. I did not notice this on
>> previous firmware versions. Later this morning I'll reinstall previous
>> firmware and double check.
>> 73,
>> Ken K3IU
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> Stewart Baker wrote:
>>> Hi,
>>> Since installing MCU 2.73. I have noticed that power on is
>>> accompanied by a number of loud, rather unpleasant clicks/clunks
>>> from the speaker.
>>>
>>> 73
>>> Stewart G3RXQ
>>> _______________________________________________
>>> Elecraft mailing list
>>> Post to: Elecraft at mailman.qth.net
>>> You must be a subscriber to post to the list.
>>> Subscriber Info (Addr. Change, sub, unsub etc.):
>>> http://mailman.qth.net/mailman/listinfo/elecraft
>>>
>>> Help: http://mailman.qth.net/subscribers.htm
>>> Elecraft web page: http://www.elecraft.com
>>>
>>>
>> ------------------------------------------------------------------------
>>
>> _______________________________________________
>> Elecraft mailing list
>> Post to: Elecraft at mailman.qth.net
>> You must be a subscriber to post to the list.
>> Subscriber Info (Addr. Change, sub, unsub etc.):
>> http://mailman.qth.net/mailman/listinfo/elecraft
>>
>> Help: http://mailman.qth.net/subscribers.htm
>> Elecraft web page: http://www.elecraft.com
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> Elecraft mailing list
> Post to: Elecraft at mailman.qth.net
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
> http://mailman.qth.net/mailman/listinfo/elecraft
>
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com
More information about the Elecraft
mailing list