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Old 21 June 2004, 02:26   #1
Country: UK - England
Town: Cowes
Boat name: April Blue
Make: Humber 6.5 Extreme
Length: 6m +
Engine: Suzuki 140hp
Join Date: Jan 2004
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Setting up Chart Plotter

I am not sure if to set my chart plotter up to Magnetic North of True North.

If it is Magnetic North it would match the compass on the boat???????

Advice welcome


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Old 21 June 2004, 02:51   #2
Pete7's Avatar
Country: UK - England
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Make: Moody 31
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Join Date: Aug 2001
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Roy, I suggest magnetic north, however be aware that if you have a compass as well there will be differences caused by all the other junk we all seem to need to mount on a dash but by setting it magnetic you ought to be able to see any major changes to either very quickly.


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Old 21 June 2004, 06:37   #3
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Country: UK - England
Town: Brighton
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Posts: 6,681

It doesn't matter that much either way. It won't make any real difference when you're using it other than the display being rotated by a few degrees.

If you select true north then the screen will be the same as you'd see on a paper chart. If you select magnetic then there's a chance that it will match what your compass says, but it's a slim chance!

The real choice is north up or course up.

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