[TenTec] New Orion

[Richard Detweiler]

Hope this gives an idea.

When I first set up my orion, I found the display to change on me during 
operation

Traced it down to the power supply delivering low voltage.

anything below 12.7 volts will cause the display to change.

On transmit it would drop to 12.6,

The rig still operates, just the contrast changes.

Adjusted my supply voltage up and all was fine.

Try measureing the power supply voltage over time,  check the connector to 
the rig and power supply,  etc.. etc..

Thanks
Rich
K5SF


>From: "skip" <k3cc at fast.net>
>Reply-To: tentec at contesting.com
>To: <tentec at contesting.com>
>Subject: [TenTec] New Orion
>Date: Wed, 8 Sep 2004 22:09:39 -0400
>
>I have contacted Ten Tec sales department and e-mailed them about the
>problems when I opened the box.  I have not received any reply from them.
>The sales department was sort of indifferent or maybe this is par for Ten
>Tec.
>
>Many years ago I used the 509 Argonaut and loved it.
>
>Yes, I have found the front key input where I put my bug  the question of
>mic's well I have as many as I use.  As for the Orion I use a Heil boom
>setup.
>
>The display problem still bothers me.  If you set the contrast and leave 
>the
>radio on for a few hours it's fine.  The next day when you turn it back on
>it needs to be adjusted agn.
>Is this normal.
>Oh, as for color, B/W is fine if it's stable.
>
>The Orion is a very simple radio to use with a well laid out panel.  Once
>you have set all the controls you don't need to go back and reset them
>unless conditions change drastically.
>I guess I have a newer manual, it tells me enough, however it's very poor
>for a newer ham or older ones with very little DSP experience.  I don't
>remember if you get a schematic ?????
>
>I use Carl's software, it's very helpful because you can set multi controls
>using the slide pots on screen.
>
>I'm amazed at the antenna tuner.  The noise, sounds like relays clicking in
>and out rather then an inductor tuning. It works very well over a wide 
>range
>of impedances. Although slow.
>
>Roofing filters:  I'm going with the Inrad filters.  I did get a 500hz Ten
>Tec filter installed from the factory to start with.
>
>The receive performance has been excellent in cw use.  I have not heard any
>AGC pumping as with the Icom 756 ProII among strong stations.  Weak 
>stations
>pop out of the noise with the Noise reduction with no distortion or pinging
>caused by the DSP.
>My only issue was with higher speed CW and the agc set to fast.  I have to
>practice to get it the way I like it.  That's the beauty of the rig with
>it's many states of tuning.
>
>SSB has been fun.  I have a very low voice and I had to adjust the controls
>for my voice.  It sounds very natural and looks nice on my scope, an old
>Yaesu YO 100.
>
>Another question, the mode doesn't change all the time when I switch bands.
>If I'm working CW on 80 and change to the 20 mtr cw band the mode goes to
>SSB.  Is this normal ?????  Has anyone noticed this ????  Also, if I tune
>from the SSB portion to the CW portion pf the same band it stays in the SSB
>mode.
>
>Well, that's my 2 weeks worth.
>
>de Skip    K3CC
>
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