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[ct-user] 1000MP Keying

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Subject: [ct-user] 1000MP Keying
From: Richard & Martha Wilder <wilder@abs.net> (Richard & Martha Wilder)
Date: Thu, 13 Apr 2000 15:26:00 -0400 (EDT)
I have modifed two rigs (IC-735 and IC-737A) to overcome the problem and I
would hope that all manufacturers would adapt this proceedure.

I added a phono connecter to the rear panel that was wired to the 
output of the internal keyer.  The computer (or a straight key) is
connected to the phono connector and the quarter-inch connector is used
only for the paddle.  

I think that this circuit would be less expensive to manufacture.
The added phono connector would be less expensive in material AND labor
than the eliminated change-over switch.

73, Dick Wilder, K3DI    k3di@arrl.net
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      Please send amateur radio mail for Dick via k3di@arrl.net
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On Wed, 12 Apr 2000 wb6tza@socal.rr.com wrote:
> I spent considerable time bugging various Yaesu folks-  apparently the 
> factory doesn't believe this is a problem worth fixing.
> 
> The front and rear keying jacks are effectively paralleled, and cannot be 
> separated.  There is NO practical or reasonable way to use CT as an 
> external keyer source while using the internal keyer to operate a set of 
> paddles.
> 
> The only practical solution is to use an external keyer, turn off and 
> forget the internal MP keyer, and parallel the output of the external keyer 
> and CT.  It IS OK to plug CT in the rear and an external keyer into the 
> front (or the reverse) as long as the MP keyer is turned off
> 
> This is VERY annoying, but its only annoying- the rig works fine 
> otherwise.  Seems Yaesu factory knows better than we do what we need... ( 
> Bill Gates brother?)
> 
> This little annoyance requires us to have enough external keyers for every 
> rig on a DXPedition - one more thing to carry.
> 
> 73, Robin Critchell, WA6CDR /  XZ0A



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