[Elecraft] [Bulk] Re: K2 Straight key auto detect

[Tom McCulloch]

Thanks, as always, Don

Tom
wb2qdg
k2 1103

On 9/18/2014 10:19 PM, Don Wilhelm wrote:
> Gene,
>
> You *must* use a stereo plug in the K2 paddle jack no matter whether 
> you are using a straight key or paddles.  If using a straight key (or 
> computer keying) connect only to the tip and to the shell of the 
> plug.  That is true when using a direct connection, and not 
> necessarily Auto Detect.
>
> Auto Detect will allow you to use paddles in conjunction with a 
> straight key (or computer keying), and requires two diodes.  See page  
> 99 of the K2 Owner's Manual (download it from www.elecraft.com if you 
> do not have a paper copy).  It will work more reliably if you use 
> Shottky diodes such as 1N5711 which have a lower forward voltage.  You 
> must turn Auto Detect ON to use it. Go to the INP menu, edit the 
> parameter and tap DISPLAY to toggle ADET on or off. With ADET set to 
> ON, you should be able to key the K2 from the straight key (or 
> computer) even though the INP menu is set to PDLn or PDLr.
>
> 73,
> Don W3FPR
>
> On 9/18/2014 7:19 PM, Gene N4FZ wrote:
>> Thanks Matt, very much, I had that sinking feeling. Auto detect 
>> doesn't work
>> then I guess. I bought this K2 second hand, nice little rig. Had it 
>> over two
>> years now. Normally use the BY-1 paddles.  73  Gene
>>
>>
>
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