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whoamiifnotmyself Occasional Visitor
Joined: Apr 10, 2005 Posts: 4
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Posted: Sun Apr 10, 2005 5:05 pm Post subject: Reluctant GPS fix |
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Hi all,
New to this GPS malarky and in need of some advice. My Navman 650 works OK most of the time, but on the odd occassion when I power on it takes an age to get a GPS fix, 5 - 10 minutes and then its fine, the worst was midnight Saturday when it took nearly 30 minutes to get a fix, again it was fine once fixed on.
So any clues or is this normal GPS downtime??? or have I got another Navman faulty unit? |
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robertn Frequent Visitor
Joined: Feb 06, 2005 Posts: 564
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Posted: Sun Apr 10, 2005 10:39 pm Post subject: |
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You don't say if you were moving or not. If you are moving the GPS will generally have more trouble getting a fix. The otehr thing I have noticed is that windsheild wipers can cause a problem getting a fix - was it raining?
An external antenna will normally improve fix times and is worth considering. |
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whoamiifnotmyself Occasional Visitor
Joined: Apr 10, 2005 Posts: 4
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Posted: Mon Apr 11, 2005 11:03 am Post subject: |
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Thanks for that robertn, yes I was on the move and no to the wipers. I have tried it stationary and it seems to get a fix much quicker, think I will order an external antenna as suggested, but £40 (GBP) is a bit steep for what it is! Any cheaper sources anyone? |
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limebear Occasional Visitor
Joined: Oct 14, 2005 Posts: 17 Location: Southampton
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Posted: Fri Oct 14, 2005 6:44 pm Post subject: |
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A couple of times my 630 got its GPS firmware corrupted and was working but only just, with poor sensitivity and ages to get a fix.
Solution is to power up while holding the OK button, then select GPS menu and do a cold GPS restart. After first fix it's fine again. |
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