Likes: 
During weekend I have tried some even more hard approach to the matter. I’m not fluent in software changes, so that was my way to try to do something.
I simply erased all the files, formatted the nuvi and load all the content back.
Might be it was my mistake that I have started from 3790 SW and after format and copying the files from 3490, because after copying the files the updater refused to update with 3490 7.10SW, but asked for some 3790 SW. I’ll be glad someone more experienced to share his background why that happened.
Anyway – no improvement in accuracy.
Tomorrow I’ll test it on long distance road in different city conditions and will report.
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4th March 2013, 10:02 AM #1VIP Master
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6th March 2013, 09:31 AM #2VIP Master
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The effect was
Originally Posted by isg
.gif ":bleah:")
.
The same old bad accuracy. It seems to me that the accuracy does not depend on environmental conditions only. Even not moving there are some significant drop downs in satellite bars resulting in bad accuracy. For yesterday trip average accuracy was more than 25-30 m. which means bad bad bad positioning.
More or less I should agree with Kanopus that there should be and hardware reason for the bad accuracy. It is true that even with original 3790 SW in the very beggining of the model there are accuracy problems. But at that time 3790 was best of the best, so at that time it seems to me normal….
Because of yesterday experiments I have decided to buy 3597 immediately when available and to close the case.
Till that moment, I’m opened for any tests suggestions with the unit, as I’m not “in love” in it any more.Last edited by isg; 6th March 2013 at 09:51 AM.
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