Seems like there is a control line on the ts32 board audio buffer that can be tied to detect line to gate audio.

On 3/19/06, John J. Riddell < [EMAIL PROTECTED]> wrote:
I had a similar problem here and I put a relay on the audio line that shorts the  audio
output
when COS drops.....works great.....

John VE3AMZ


----- Original Message -----
From: "Jim Cicirello" <[EMAIL PROTECTED]>
To: < [email protected]>
Sent: Sunday, March 19, 2006 4:13 PM
Subject: RE: [Repeater-Builder] Switching PL on and of on a TS-32


> I had a similar problem when my TS-32, only mine made a noise when the PL
> first was switched on. I also wanted the PL to follow the CAS so there was
> no PL on the repeater tail. I turned my TS-32 on all the time and switched
> the CTCSS in and out with a 2n2222 Transistor driving a Mini Relay. It works
> great. Good Luck.  KA2AJH  Jim  Wellsville, NY
>
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> Jim KA2AJH  Wellsville, N.Y.
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of Joe
> Sent: Sunday, March 19, 2006 2:13 PM
> To: [email protected]
> Subject: [Repeater-Builder] Switching PL on and of on a TS-32
>
> I decided to try the method someone suggested for keying the repeater
> transmitter encode PL on and off with active COS.  I switched the ground
> connection on and off to key the TS-32 PL deck.  This works, except that
> when the tone turns off I get a sound that is best described as "squeege"
> as it shuts off.  I assume this is the oscillator loosing voltage and the
> tone changing frequency.  Anybody else have this problem?  I'm about to
> just go back to switching the PL audio line and leaving the TS-32 on all
> the time..
>
> 73, Joe, K1ike
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