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[Towertalk] Yaesu indicator

To: <>
Subject: [Towertalk] Yaesu indicator
From: (Gary Stilwell)
Date: Tue, 4 Jun 2002 17:30:12 -0700
I thank all who had suggestions in regard to the control box tracking for a
Yaesu 2800 rotator.  After several discussions with Yaesu, it turns out that
there is a sensitive adjustment procedure for 'fine tuning' the indicator.
The Manual devotes 1 full page to final adjustments to the various stops the
rotator performs.  There is an adjustment pot and switch on the back of the
control box.

I am still adjusting and 'fine tuning' but the first two adjustments seems
to have cured the problem.

Gary,  KI6T

----- Original Message -----
From: <>
To: <>; <>
Sent: Tuesday, March 05, 2002 9:04 AM
Subject: [Towertalk] Yaesu indicator

>Greetings, TowerTalkians --
>    I've got a question on the NEW Yaesu rotators. About a year ago or so
>they changed some of the rotator design to include DC motors and they went
>from a 5-wire control to 6-wire. My question has to do with the NEW
set-up -
>not the old one.
>    Observing a 2800 rotator, everything looks normal. It starts, stops,
>goes in the desired direction when you ask it. The problem is that the
>control box acts kind of weird. Sometimes the indicator when started will
>back-up in the opposite direction before heading in the right one.
>the indicator will keep going and overshoot the actual heading when it
>Sometimes the rotator heading and the indicator don't match but toggling
>rotation switch will get it to catch-up to the correct heading. Is this
>"normal" for the new configuration? Or is there a control box/indicator
>problem? The indicator and rotator headings can be up to 45 degrees off.
>I said, the rotator actually appears to be operating just as you'd expect.
>The rotator is less than six months old. Any ideas?
>Steve    K7LXC
>Tower Tech
>Towertalk mailing list

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