[ICOM] IC-746 PRO Keying

[AD5PE]

It shouldn't, if the plug is wired right and the rig hasn't been modified.
The Sleeve contact in the rig is far enough back that it won't short the
Ring, so plugging in a stereo plug in a mono jack has no effect as long as
the plug is wired correctly (polarity/not shorted across tip to ring or
sleeve).

This isn't true with headphones (you'll only hear in one ear) but is
normally not a problem with keys.

Jay

-----Original Message-----
From: icom-bounces at mailman.qth.net [mailto:icom-bounces at mailman.qth.net] On
Behalf Of Eddy
Sent: Monday, December 31, 2012 13:03
To: ICOM Reflector
Subject: Re: [ICOM] IC-746 PRO Keying

I concur with D C!!

--- On Mon, 12/31/12, D C _Mac_ Macdonald <k2gkk at hotmail.com> wrote:

From: D C _Mac_ Macdonald <k2gkk at hotmail.com>
Subject: Re: [ICOM] IC-746 PRO Keying
To: "Icom Forum" <icom at mailman.qth.net>
Date: Monday, December 31, 2012, 10:51 AM


IIRC (I'm away from home), the straight key is supposed to use the TIP and
SLEEVE of the key jack. The 2-circuit plug in the 3-way jack would
continuously ground both TIP and RING contacts. 
 
I am not clear as to your symptoms. 
 
* * * * * * * * * * *
* 73 - Mac, K2GKK/5 *
* k2gkk at hotmail.com *
* (Since 30 Nov 53) *
* Oklahoma City, OK *
* USAF, Ret (61-81) *
* * * * * * * * * * * 
 
 
 

> From: jeff.freedman at comcast.net
> To: icom at mailman.qth.net
> Date: Mon, 31 Dec 2012 09:37:37 -0800
> Subject: Re: [ICOM] IC-746 PRO Keying
> 
> On the paddle side, of course. Y'know, I originally had a 3-circuit 
> plug on the key and it didn't work. Went to a 2-circuit, still didn't 
> work. Lemme play with that summore. Good idea Mac, thanks!
> 
> Message: 2
> Date: Mon, 31 Dec 2012 06:35:01 -0700
> From: D C _Mac_ Macdonald <k2gkk at hotmail.com>
> To: ICOM Reflector <icom at mailman.qth.net>
> Subject: Re: [ICOM] IC-746 PRO Keying
> Message-ID: <BLU402-EAS51CDAA19649AF1FF69D397F13C0 at phx.gbl>
> Content-Type: text/plain; charset="us-ascii"
> 
> Are you using a 3-circuit (stereo) phone plug as required?
> 
> 73 de Mac
> K2GKK in OKC, OK
> 
> On Dec 30, 2012, at 21:46, "Jeff Freedman" <jeff.freedman at comcast.net>
> wrote:
> 
> For some reason I cannot get the straight key to operate when I have 
> it plugged in to the back "KEY" jack and a paddle in the front "ELEC KEY"
jack.
> Manual says they are supposed to operate independent of one another.
> 
> Any troubleshooting suggestions appreciated.
> 
> Thanks - Jeff K7JF
> ----------------------------------------
> Jeff Freedman
> Gig Harbor (Wauna), Washington
> 
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