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[Towertalk] Yaesu indicator

To: <towertalk@contesting.com>
Subject: [Towertalk] Yaesu indicator
From: UpTheTower@aol.com (UpTheTower@aol.com)
Date: Tue, 5 Mar 2002 11:04:10 EST
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, and 
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. Sometimes 
the indicator will keep going and overshoot the actual heading when it stops. 
Sometimes the rotator heading and the indicator don't match but toggling the 
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. Like 
I said, the rotator actually appears to be operating just as you'd expect. 
The rotator is less than six months old. Any ideas?

Cheers,
Steve    K7LXC
Tower Tech 

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