[Elecraft] K3 / KX3 Key Jack

[Ron D'Eau Claire]

Don't forget that the K3 has separate jacks for a key or paddles. Both are
three-circuit jacks, but the ring on the key connector is NOT used, so you
can use a common two-conductor plug there. 

The paddle jack requires a three circuit plug, of course. 

73, Ron AC7AC

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Don Wilhelm
Sent: Friday, April 19, 2013 8:43 PM
To: Joel Black
Cc: elecraft
Subject: Re: [Elecraft] K3 / KX3 Key Jack

Joel,

Use a stereo plug for both the K3 and the KX3.  Connect the keyer to the tip
and the sleeve on both plugs (no connection to the ring) and it should work
just fine.  Set the KX3 menu to Hand.

Yes, it does not matter to the KX3 whether the tip or ring are used, but
connecting only to the tip will allow use of the plug into multiple
transceivers with no changes.  Many will not work with keying to the ring
contact.

73,
Don W3FPR

On 4/19/2013 9:25 PM, Joel Black wrote:
> Okay, I think I am losing my mind.  Is the K3 key jack stereo or mono? 
> I know I only use two wires for a key, but for some reason, I have a 
> stereo (TRS) plug on my key cable.  I cannot find what I'm looking for 
> in the manual either.
>
> I don't think the wiring for the KX3 matters (either T or R is used 
> for keying with a straight key if set for HAND).
>
> I'm building an external keyer that I'm going to use with both a 
> paddle and a straight key.  I also want to switch the output of the 
> keyer between the K3 and the KX3 so I don't have to swap cables all 
> the time.

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