Navman 4400 positional inaccuracy

[Cipher]

Hi Dave



Excellent review of the 4400. On reading it I have now happily exchanged my Navman 3450 for the 4400 and I am delighted with it.



However, I am experiencing a slight positional inaccuracy and I'm seeking your advice on a possible correction:-



whilst the voice command remains accurate the problem is that when I approach a left/right turn, roundabout etc.. my position on the map is about 80 to 100 foot out of sync with my actual position. Consequently I turn the corner before the map shows that I have.



I did not experience this kind of problem with the 3450 and wondered if it has anything to do with the bluetooth data transfer, though I did note what you said about baud rates in a previous post.



I use the 4400 with my h5450 with Pocket PC 2002 (Rom version 1.11.19 as patched from HP.com)



I shall be grateful for any advice that you can provide.

[gambitgander]

I had the same problem. The problem relates to the GPS update time. I believe it is 2 seconds on the GPS 4400 and 1 second on the GPS 3450. I'm not too bothered though. The 4400 is a great piece of kit, and gets me to where I want to go every time.
_________________
Who's Your Daddy?

[Cipher]

Wow I am actually going to answer my own link!



I've just received an email response to my query from Navman UK and was told that the problem is:



"related to the GPS update period. Unfortunately this cannot be changed......but it is done....so that the GPS

signal is more reliable."



I explained that I did not notice such a problem when using the 3450 and this alerted me to the issue with 4400. Perhaps I was mistaken.



Does anyone else experience a map positional difference?

[Cipher]

Hi gambitgander



Thanks for your reply, I just posted the reply to my own post and before I noticed yours.



In fact your explanation is clearer than Navman's! Also, I agree the 4400 is a great piece of kit.

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