Try reducing your compression setting.  I get a noise at 25 also.

Buck
k4ia
K3 # 101

On 9/23/2011 7:33 AM, DK5EW wrote:
> Dear Buck,
> thanks for your tips but I'm not sure if I have to do any mor because my
> K3 is brand new !
> It came 05.September 2011 and has serial 5776.
> 73's Erwin/DK5EW
>
> Am 23.09.2011 13:24, schrieb Buck k4ia:
>> It is not a fan, it is RF or other noise getting back into the mic
>> circuit.  I had the same problem.  Check the two mods on the Elecraft K3
>> Enhancements and Application Notes page.  Look for Older K3 Mods>
>> "Front Panel Microphone" and "Improving the Immunity of the real panel
>> RS232 and audio connectors" to see if they apply to your rig's serial
>> number.  Do both to solve your problem.
>>
>>
>> Buck
>> k4ia
>> K3 # 101
>>
>> On 9/23/2011 6:39 AM, DK5EW wrote:
>>> Hi all,
>>> I use at my K3 a HEIL PRO SET ELITE "IC", I had this as I use it at my
>>> old ICOM IC-275H as well.
>>> Now I recognised that I have a small noise on modulation like a fan that
>>> gives me some power output when I just push PTT.
>>> OK I have in my shack 2 additional fans for cooling the PA so I switched
>>> them of. The noise is lower but still there.
>>> and there are no other noise sources. So my setting for the HEIL headset
>>> are:
>>> - MIC: 25
>>> - CMR: 25
>>> - MIC SEL: RP + HIGH BIAS
>>> - MIC+LIN: OFF
>>> Do you have any idea if I can change setting to cancel that noise ?
>>> I can not believe that the microphone is that sensitive to pick up all
>>> little noises around.
>>> best regards Erwin/DK5EW
>>>
>>>
>>>
>>> -----
>>> eMail ist virenfrei.
>>> Von AVG überprüft -www.avg.de
>>> Version: 10.0.1410 / Virendatenbank: 1520/3913 - Ausgabedatum: 22.09.2011
>>> ______________________________________________________________
>>> Elecraft mailing list
>>> Home:http://mailman.qth.net/mailman/listinfo/elecraft
>>> Help:http://mailman.qth.net/mmfaq.htm
>>> Post:mailto:Elecraft@mailman.qth.net
>>>
>>> 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:Elecraft@mailman.qth.net
>>
>> This list hosted by:http://www.qsl.net
>> Please help support this email list:http://www.qsl.net/donate.html
>>
>>
>>
> ------------------------------------------------------------------------
>
> eMail ist virenfrei.
> Von AVG überprüft - www.avg.de <http://www.avg.de>
> Version: 10.0.1410 / Virendatenbank: 1520/3913 - Ausgabedatum: 22.09.2011
>
______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html

Reply via email to