[TenTec] Orion 2 tuning noise

[K3GHH]

Thanks, Bob... I was going to speculate about the encoder in the 
original post, but don't really understand them. For someone of my 
generation and background, it's hard to shake the vision of a variable 
capacitor (or potentiometer, depending on the control) on the other end 
of that shaft.

In any case, the problem is not recurring this morning. I'm going to 
hold off on implementing your advice.

--John K3GHH

On 03/02/2013 10:26 PM, Bob McGraw - K4TAX wrote:
> Probably you need to go through the radio, unplug each and every board 
> and connector, and re insert them. Just normal radio maintenance in my 
> opinion.
>
> Also a wee bit and I mean a wee bit of Cramolin from Radio Shack might 
> be advisable on each connector.   Just remember, more is not better.
>
> What you are hearing is zipper noise from the steps in the rotary 
> encoder. Likely a few milliohms or resistance on a cable connector is 
> the most likely cause.
>
>
> 73
> Bob, K4TAX
>
>
>
> ----- Original Message ----- From: "K3GHH" <k3ghh at arrl.net>
> To: <tentec at contesting.com>
> Sent: Saturday, March 02, 2013 6:43 PM
> Subject: [TenTec] Orion 2 tuning noise
>
>
>> Just noticed this tonight: Tuning through 20m, there's an audible 
>> "click" with each step in frequency (each 10 Hz with 10 Hz steps, 
>> each 1 Hz when 1 Hz step is selected, etc.) It is impossible to tune 
>> through the band listening for activity, since only the strongest 
>> signals would make it through this noise. When I stop tuning and 
>> settle on a frequency, everything is fine.
>>
>> Any suggestions?
>>
>> -- 
>> --- John, K3GHH
>>
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>
>
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