How to align the compass rose direction?

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Aligning the Wind Direction:
It states to align the compass rose direction with compass or GPS.  I am not understanding on what it is asking for me to do?  How do I know where to point it?
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Scott Leither

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Posted 4 days ago

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George D. Nincehelser

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Assuming you are in the northern hemisphere, the 5n1 unit should be aligned to true (not magnetic) north.

The end with the wind cups should be pointing to true north.  The solar panel(s) will end up facing south.

Misalignment can cause two problems... wind direction may be off, and the solar panels may not always power the solar aspiration fan as it should.