The first thing I would check is to make sure that there is ample power
supply voltage getting to the radio. IIRC the target voltage is around 13.9
V. Measure at the input connector when keying and see if it drops below 12.
Ron N6AHA
----- Original Message -----
From: "John B. Egger" <john_egger@comcast.net>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Saturday, September 30, 2006 7:00 PM
Subject: [TenTec] O2 sidetone... RST 599C
> On occasion (like tonight) my sidetone seems to have a bit of a chirp. A
> few days ago I fired up the old Century 21 (no antenna connected) as a
> monitor and the signal sounded perfect, much better than the sidetone
> coming from the O2' s speaker. At other times the O2's sidetone is clear
> as a bell.
>
> I've had this rig just a bit over a week and really like it, but I'm
> still way down low on the learning curve. Has anyone else noticed this
> sidetone? A search of the archive shows clicks as an occasional
> problem... but my sidetone is 599C, not 599K.
>
> --John K3GHH
> Registered Linux User #291592
>
> _______________________________________________
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> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
>
>
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