| Connect "TX Out" to the amp's "Key In".  Then connect the amp's "Key Out" to 
"TX EN".  This should work great for both CW and SSB.  That's exactly what I 
do with my Acom 1000.
Carl Moreschi N4PY
121 Little Bell Drive
Hays, NC 28635
www.n4py.com
----- Original Message ----- 
From: "Brickey, Dennis" <dbrickey@eastman.com>
To: <tentec@contesting.com>
Sent: Friday, December 04, 2009 5:45 AM
Subject: [TenTec] Tentec XCVR Keying Loop and Amp Supply Amp Question?
> Hi Group,
>
> I recently acquired an Amp Supply LK-500NTC with vacuum relay QSK.  The 
> amp has a pair of RCA jacks for "Key In" and "Key Out."  Does anyone know 
> if it is possible to use the "TX EN" and "TX Out" keying loop in late 
> model Tentec xcvrs to key this amp?  The amp manual says to connect a 
> keyer to the "Key In" jack on the amp and connect the "Key Out" on the amp 
> to the CW key jack on the radio such that the amp controls the radio.  It 
> would sure be nice if the Tentec keying loop could be used instead.
>
> Thanks for any and all advice.
>
> Dennis N4DD
>
>
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