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General Diving Forum Anything which is diving related but not covered by the other forums. Want to make an announcement, found a cool diving video, need to blow of steam, whatever - it's open to you.
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December 27th, 2007, 09:37 PM
| #1 (permalink) |
| New Member  Join Date: Oct 2007 Location: Plymouth
Posts: 30
 | Nightime Navigation Hey guys Here is a question with probably a very obvious answer... Whilst diving at night, with a light on your left hand and compass on your left arm, how do you view the compass. (With enough light to be able to read it) Cheers, Joe |
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December 27th, 2007, 10:14 PM
| #2 (permalink) |
| Instructor candidate  Join Date: Jan 2006 Location: London, E11
Posts: 421
 | Move the light to your right hand, illuminate the compass, move the light back to your left hand and look at the compass. If it's a decent compass and you're shining a decent primary light at it, the compass will then glow sufficiently to be usable for several minutes. It's no big deal if you need to look at the compass/light as you point the light at the compass, but you'll find that the amount of light reflected back off the compass is quite significant and you may struggle to see normally for a couple of seconds if you do. David |
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December 28th, 2007, 02:24 PM
| #3 (permalink) |
| New Member  Join Date: Nov 2005 Location: Mo i rana - Norway
Posts: 48
 | Make sure the HIDballast doesn`t interfere the magnetic compass deviation. http://us.share.geocities.com/buzono..._compass02.MOV
__________________ Wiggo Andrč Larsen  |
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