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thebinman
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Joined: Mar 04, 2006
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 Posted: Sat May 19, 2007 11:57 am Post subject: One Regional V2/V4 |
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| I know the V4 Euro version has the 1Gb internal drive but what's the difference between a One Regional V2 & the new One Regional V4? |
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paulc1976
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Joined: Aug 27, 2004
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| Posted: Sat May 19, 2007 3:18 pm Post subject: |
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The Only difference is the GPS chipset; V2 has Sirf 3, V4 has Globallocate Hammerhead. I've tested them side by side Hammerhead gives a better signal and quicker fix although there isn't a huge difference it is slightly better.
Mine (V4) shipped with v6.60 maps but got a free upgrade to 6.75 |
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thebinman
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| Posted: Sat May 19, 2007 3:44 pm Post subject: |
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| paulc1976 wrote: | The Only difference is the GPS chipset; V2 has Sirf 3, V4 has Globallocate Hammerhead. I've tested them side by side Hammerhead gives a better signal and quicker fix although there isn't a huge difference it is slightly better.
Mine (V4) shipped with v6.60 maps but got a free upgrade to 6.75 |
thanks mate. |
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thebinman
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| Posted: Sun May 20, 2007 3:04 pm Post subject: |
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| crazylegs wrote: | | What do you mean by a better signal ? |
Slightly quicker fix & lock on I think |
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paulc1976
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| Posted: Sun May 20, 2007 4:08 pm Post subject: |
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Quicker lock on to satellites, and stronger signal ie. taller blue bars than Sirf 3, there isn't a big difference but it is noticeable, it locks on slightly quicker after coming out of tunnels too. Sirf 3 is still a very good chipset though and for general car use is fine.
A comparison of the 2 units (V2 & V4) can be found here http://www.gpspassion.com/fr/articles.asp?id=216 |
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