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Old 15-01-2010, 06:46   #1
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ST4000+ Memory Loss

In addition to my SSB question, I have a question about the ST4000+ wheel pilot. Mine looses it's settings everytime I remove power. Everytime I power it up I have to re-enter the rudder gain and response curve. Of course Raymarine is more then happy to collect a couple hundred dollars from me to repair. I imagine this is probably just changing out an internal battery but I don't know for sure.

Anybody have any experience or thoughts?


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Old 15-01-2010, 07:52   #2
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I took out my ST5000 for the same reason, I could be under sail and for some reason the unit would go nuts and every time I would turn the unit on I had to reprogram it.

Maybe I should add that the ST5000 is a below deck hydrolic unit.

Not something I trusted at all.


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Old 15-01-2010, 10:46   #3

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I've never opened up a 4000+ but I'd bet you're exactly right.
I used to have an Autohelm LCD radar which wouldn't hold any settings, and that's what it was. You should probably look for a silver disc about the size of a quarter, and it's probably 3 volts. Most likely, it has tabs which are soldered to the board.
If you find it, try for a replacement.
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Old 16-01-2010, 07:48   #4
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ST4000 Manual
C:\newcnc\technical\autohelmst4000\autohelmst4000. wpd
Gord May
"If you didn't have the time or money to do it right in the first place, when will you get the time/$ to fix it?"

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