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I have had a look at the img files using gmaptool. The Brecon Beacons and Peak District report FID 400. Discoverer 50K All reports a FID of 2043. I dont think a FID clash is the problem (as I mentioned, I had tried just the Lake District map at one point). When I look at the Lake District img, it reports the following:
.Reading file C:/Data/Garmin Discoverer Lake District 25k UNLOCKED/GMAPSUPP.IMG.
Wrong header (DSKIMG GARMIN), file C:/Data/Garmin Discoverer Lake District 25k UNLOCKED/GMAPSUPP.IMG.
File: C:/Data/Garmin Discoverer Lake District 25k UNLOCKED/GMAPSUPP.IMG, length 415948800
File format errors (3)
There were errors, result is faulty.
End
I think I have had two problems.
1) The locked img files were not being unlocked by Fast Image Unlocker. This was resolved by using Garmin Unlocker Alternative.
2) The Lake District img appears to be corrupt. I have tried downloading it again, but I get the same error.
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1st February 2011, 07:54 PM #1Member
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Last edited by campbela; 1st February 2011 at 07:57 PM.
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1st February 2011, 09:10 PM #2Member
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If the image was corrupt it would be corrupt for everyone not just you. Other people have used it without any problems.
Originally Posted by campbela
If anyone else feels like sharing any GB Discoverer 1:25k maps that would be nice
Last edited by Mordorf; 1st February 2011 at 09:13 PM.
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12th February 2011, 11:41 AM #3Junior Member
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That would be very nice in deed
Originally Posted by Mordorf
If the image was corrupt it would be corrupt for everyone not just you. Other people have used it without any problems.
If anyone else feels like sharing any GB Discoverer 1:25k maps that would be nice
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1st February 2011, 10:00 PM #4Important User
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I've checked the Lake district img in GmapTool, you'r right, the map is damaged-Some parts are ok and these are probably the parts I could see in my 62st (the posted screens ).Gps reads what it can. Originally Posted by campbela
GmapTool log
Code:Please Login or Register to see the links
The other 2 maps are ok and i could unlock them both with Fast Img Unlocker
You have to navigate to get to the good.
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2nd February 2011, 01:18 AM #5Junior Member
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Hi All
First Post so excuse me if I'm being dense and go easy on me
The Lake District Map appears to work on my Edge 800. In my test I've disabled Base Map in the device and loaded an SD card with just the Lakes as a GMAPSUPP.IMG.
It shows up OK in Map list.
Thing is, this looks like a 1:50K OS map to me rather than the 1:25K that it suggests it is on page 1 of the post. I'm comparing with my paper Explorer Maps (Old Skool) and also with both a Memory Map 1:50K & 1:25K electronic version of the Lake District National Park and this sure looks like 1:50K to me.
Am I doing something wrong or has anyone else noticed this?
Also the map although of the Lakes seems to have Road Mapping for the whole of the UK (which looks like a nice bonus) Does this mean that there's no need to load City Navigator as well or is there less detail in the "Road Supplement" on the Discoverer maps?
Cheers
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