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compass - deviation to account for speaker interference

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nonagon
(@nonagon)
New Member
Joined: 8 months ago
Posts: 1
Topic starter  

I have an Aviara AV32 and the Ilmor heading sensor has been inaccurate ever since I took delivery last year. It can be off by as much as 90 degrees depending on where the boat is actually pointed, and the error is somewhat variable.

Aviara said there were issues with the heading sensor's cable being routed too close to a speaker. I tried removing the speaker and the errors were significantly reduced, although it still wasn't perfect. Aviara said they used a "pre-programmed deviation" to account for the speaker.

I'm wondering if that makes sense - from reading about this, I thought the only way to fix a cable routed next to a speaker is to re-route the cable. So I was hoping someone could help me sanity-check what I'm hearing from the dealer and manufacturer.

Thanks!
Jeremy


   
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Jason Philbrook
(@jasonphilbrook)
Eminent Member
Joined: 5 years ago
Posts: 22
 

This exact situation is why the Furuno SCX20/21 sat compass is selling like hotcakes. Essentially perfect heading information at all times with no chance of magnetic interference. It's literally the cost of a magnetic heading sensor and a few hours of included billable frustration/tinkering.


   
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