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Newbie, question re difference between 7200 and 7500 units

 
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Chris_Wilson
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Joined: Jun 18, 2009
Posts: 6

PostPosted: Thu Jun 18, 2009 10:39 pm    Post subject: Newbie, question re difference between 7200 and 7500 units Reply with quote

I am looking for a quality large screen format sat nav for use in my HGV race car transporter.

I am new to GPS stuff, and apart from some links on the Garmin web site not working at all, I am unclear as to the exact differences between the 7200 and 7500 units offered. Can anyone explain in beginners terms just what this is please?

Do they work off 24 volts? It's not a big issue, the truck has a fairly high amperage 12 volt voltage converter fitted for the radio / CD player i can plug into.

I also see re-furbished 7200 units offered from USA based Ebay Power Sellers for a LOT less than buying from the UK, even with insured carriage. Am I safe buying a US sourced 7200? Or should I buy from a UK reseller? Are there any other 7 inch plus screen sat navs I should consider?
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PaulB2005
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Joined: Jan 04, 2006
Posts: 9323
Location: Durham, UK

PostPosted: Thu Jun 18, 2009 10:48 pm    Post subject: Reply with quote

Hi and welcome to the forum.

From this page on the Garmin website.

Quote:
Get big-time mapping and advanced navigation features for your RV, van or truck with the StreetPilot 7200 and 7500. You won't miss a thing, whether you choose the StreetPilot 7200 with preloaded maps and a huge 7-inch touch screen display or the 7500 with all that plus dead-reckoning.


So it looks like the main difference between the 2 is the 7500 has Dead Reckoning (the ability to calculate your position when you enter a tunnel or area of low signal).

From this PDF

Quote:
To keep you on track in areas where buildings or tunnels can block GPS
reception, the StreetPilot 7500 adds gyro-based dead reckoning capabilities.**

**Professional installation required for dead reckoning capabilities.



Quote:
Do they work off 24 volts?


From the PDF

Quote:
Power
Input: 12v DC
Usage: 12w max. @ 13.8v DC
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Chris_Wilson
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Joined: Jun 18, 2009
Posts: 6

PostPosted: Fri Jun 19, 2009 3:06 pm    Post subject: Reply with quote

That's perfect, thanks for pointing out all that info, much appreciated. Are there any other big screen sat-navs I should consider?
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