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Garmin 2547 LM slow to locate GPS signal :(
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eddieo
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PostPosted: Thu May 01, 2014 1:29 pm    Post subject: Garmin 2547 LM slow to locate GPS signal :( Reply with quote

Seems to take forever to locate a signal before it calculates......much longer then my old 775:?

secondly how can I get rid of the "you are going through an environmental zone" every time I want to go somewhere! I live in London for heaven's sake! that said I like the new unit and glad that the annoying "recalculating" message has been removed, but this just as annoying Wink
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sussamb
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PostPosted: Thu May 01, 2014 1:53 pm    Post subject: Reply with quote

Settings, Navigation, Environmental zones ... select Allow. That should do it Confused

As for satellite lock on, my 2508 is pretty instant and faster than my older 1490. Ensure you remain stationary until you get a lock ... if you're moving, especially at speed in a vehicle, lock on time is significantly increased.
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eddieo
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PostPosted: Thu May 01, 2014 4:33 pm    Post subject: Reply with quote

Thanks! will try that..
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Kremmen
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PostPosted: Fri May 02, 2014 5:43 am    Post subject: Reply with quote

Also, check whether your car has one of those 'thermic windscreens' like Ford that has some form of metallic elements that partially block the GPS signal.
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eddieo
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PostPosted: Fri May 02, 2014 8:53 am    Post subject: Reply with quote

it even takes forever standing in the garden! i dont think it is working right.....
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sussamb
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PostPosted: Fri May 02, 2014 9:14 am    Post subject: Reply with quote

Am I right in thinking this is a new satnav? If so leave it sitting there for a while with a clear view of the sky. It needs to build up the Almanac and Ephemeris data it needs, info on that is here

http://forums.gpsreview.net/categories/garmin-handheld-gps-and-fitness-gps-forum

Once it's done so it should lock on very quickly. If it still doesn't then I'd return it, explain the problem and ask for a new one.
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eddieo
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PostPosted: Fri May 02, 2014 11:34 am    Post subject: Reply with quote

yese brand new......only used a few times.

Ok so leave in the garden in a plastic bag maybe?


Last edited by eddieo on Fri May 02, 2014 10:50 pm; edited 1 time in total
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sussamb
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PostPosted: Fri May 02, 2014 11:46 am    Post subject: Reply with quote

I wouldn't put it out in the rain Smile

Should only need 20 to 30 minutes.
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Kremmen
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PostPosted: Sat May 03, 2014 5:32 am    Post subject: Reply with quote

A windowsill will do just fine Smile
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M8TJT
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PostPosted: Sat May 03, 2014 8:59 am    Post subject: Reply with quote

sussamb wrote:
It needs to build up the Almanac and Ephemeris data it needs. Once it's done so it should lock on very quickly.

If it still doesn't then I'd return it, explain the problem and ask for a new one.
But the OP has had it working so it will have the almanac data which should remain valid for several days at least unless you move a great distance. However, I do agree with your last statement.
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sussamb
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PostPosted: Sat May 03, 2014 9:11 am    Post subject: Reply with quote

Just trying to cover all bases Wink

My suspicion is that the unit is faulty, but will wait and see.
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eddieo
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PostPosted: Tue May 06, 2014 10:45 am    Post subject: Reply with quote

It seems to be working OK now after leaving it outside for a bit...Smile

but the routing is annoying, taking me down totally inappropriate roads for a camper Sad

is there a way of setting it up not to take short cuts and stick to main roads?
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sussamb
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PostPosted: Tue May 06, 2014 12:28 pm    Post subject: Reply with quote

No.

If you want navigation specific for a camper you really need something like this


http://www.amazon.co.uk/Garmin-760LMT-D-Satellite-Navigation-Motorhomes/dp/B00EY3ZSII/ref=sr_1_1?ie=UTF8&qid=1399375781&sr=8-1&keywords=garmin+760lmt-d
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eddieo
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PostPosted: Tue May 06, 2014 12:53 pm    Post subject: Reply with quote

but its more than 3 times the price Smile

so theres no way of stopping the routing taking me down single track roads? Don't remember the 775 being as bad as this.....
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sussamb
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PostPosted: Tue May 06, 2014 1:01 pm    Post subject: Reply with quote

Do you have routing set to 'fastest'? Even with that though it's possible you'll be routed down inappropraite roads for a camper. Unfortunately there isn't an 'avoid narrow roads' setting.

You could try plotting routes on Garmin's Basecamp program ... it has an RV routing profile that includes an 'avoid narrow roads' setting.
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