[Elecraft] K3S Enable Preamp 2 Without Preamp 1

[John Stengrevics]

Hi John,

I operate mostly 6 & 2 meters.  On 6m, I have a third preamp between the K3S and the amp.  When operating EME, I have to disable Preamp 2 because 3 preamps create too much noise.  So, I have disabled Preamp 2.  This has allowed me to work EME successfully.

I wanted to try an experiment, disabling Preamp 1 and enabling Preamp 2 while using my 3rd preamp.  From what I understand, enabling Preamp 2 disables Preamp 1.  But, I don’t know this for sure.

Let me know your thoughts on this.

Thanks & 73,

John
WA1EAZ

> On Apr 6, 2018, at 8:58 PM, <john at kk9a.com> <john at kk9a.com> wrote:
> 
> I am curious what the reason would be for this?   
> 
> I have operated from several countries using my K3S and I am never so
> fortunate to have a noise floor low enough use preamp 2. Most of the time
> preamp 1 is also off.
> 
> John KK9A  (PJ4R in 2018 WPX SSB)
> 
> 
> Stengrevics Jstengrevics wrote:
> 
> Is there some way to enable preamp 2 without enabling preamp 1?  Perhaps
> electing attenuation on preamp 1?
> 
> 73,
> 
> John
> WA1EAZ
> 
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