Vince, THANK YOU!
I was experiencing exactly the same thing, and you "fix" works perfectly for
my Orion running .059d.
That "slurp" was driving me crazy. Simple fix.
Larry, N0XB
----- Original Message -----
From: "Vince Bond" <k7na@adelphia.net>
To: <tentec@contesting.com>
Sent: Sunday, October 01, 2006 9:44 AM
Subject: [TenTec] O2 Sidetone...RST 599C
I have noted a somewhat similar sidetone issue with the original Orion
using 2.059d. I've successfully loaded and used 2.059d three times and each
time I eventually start experiencing clicks and a somewhat less than pure
sounding sidetone. I finally tracked down the cause, at least in my
circumstance.
I always have VFO A assigned to my main receiver and VFO B to the
sub-receiver. I usually employ the sub-receiver for SWL broadcast
listening and tend to use LSB or USB with a wider bandwidth for near
synchronous-detector quality fade-free listening. If my sub-receiver is in
the LSB or USB mode, the sidetone problem will exist. If the sub-receiver
is in a CW mode or AM, the sidetone is pure with no clicks, raspy sound or
other oddities. Of course, a well known bug is the fact that allowing the
sub-receiver to be in the AM mode and pressing the tune button will mute
the main receiver and will not recover until the sub-receiver is placed
into a mode other than AM. So, my work around, even though I mostly use my
sub-receiver for SWL broadcast listening, is to make sure it is in the LCW
or UCW mode while working CW on the main receiver.
Not sure if this will be an issue with the O2, but thought I would
share it. Perhaps this bug is common knowledge or just an odd occurance
here but I have not seen any reference to it being caused by the
sub-receiver being in the LSB/USB modes. Just a thought.
Vince K7NA
Original message:
Date: Sun, 01 Oct 2006 02:00:32 +0000
From: "John B. Egger" <john_egger@comcast.net>
Subject: [TenTec] O2 sidetone... RST 599C
To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Message-ID: <451F2140.9050504@comcast.net>
Content-Type: text/plain; charset=us-ascii; format=flowed
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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