Rating: 
Summary: Good GPS system but some slight issues
Review: I purchased this about 6 months ago. I have had mixed feelings about it. When it works it's great (which is most of the time). Others when it fails to function is most always around loosing GPS connections. The software has improved drastically. When I purchased it initially it came with the old software which has the same version # as the new software so it was a bit confusing. If you purchase this unit verify that you do have the latest version of software. It's maps are more up to date and you can tilt the viewing angle of the map. But it hangs more often than the previous version.
Rating:
Summary: Good product - Could be improved
Review: I'm just coming back from vacations in Europe where I used the GPS a lot with my old iPaq H3660.
It worked quite well with the European maps I bough on the web.
Routing is Ok but not always perfect. The so-called fastest route in not always the one suggested by the system.
The addition of way-points would be great for long trips.
Conclusion: Good, affordable and complete (12v power cable + mounting bracket) navigation system. Let's hope the next software upgrade will fix the current routing problems.
Rating: 
Summary: BAD BUY!
Review: Routing - very poor. It told me to get off a major toll road in the middle of my jouney. What because there was some dirt track which was shorter? Another thing it did was tell me to turn right, make a u-turn and turn right again instead of just continuing on the same road. That's just mad!
No way points - It would make sense to plan a long journey in advance on a PC and put in a few way points. No chance with this Navman.
Unstable software. - requires frequent rebooting.
Destinations - Ahhh this makes me mad. I even struggled to find Miami International airport. If you don't know the zip code finding a street is very difficult and frustrating.
Rating: 
Summary: Not so good
Review: Positive - its cheap
Negatives-
-Bad at routing-so far it has told me (1) to turn from a bridge onto a road 20 feet below me; (2) turn the wrong way onto a 1-way street; (3) make a u-turn on a 1-way street
-On winding roads, it tells me to make turns when I actuall just staying on the road
Rating:
Summary: It's OK given the relatively low price
Review: The docs for the 3450 are confusing. The box says iPaq 36xx and PocketPC 2000 (aka Windows CE 3.0). The internal paperwork says iPaq 37xx and above, PocketPC 2002 minimum. Application itself is odd. Click on "Exit Application" does not shut the app down, I have to kill it via Task Switcher. It attempts to be smart about taking the street/area you're typing in and auto-completing...which usually results in the cursor moving and you have to retype or delete letters. The 3450 does not support WAAS, so accuracy suffers. I find that on freeways which have frontage roads or long parallel interchange ramps the location jumps back and forth; I'm on the freeway, I'm not on the freeway... For some unknown reason when I put the iPaq 3630 into the GPS sled it drops the volume way down. This was not the way it operated when I first setup and tried the unit, it just started today. I do a soft reset on the iPaq, sound is maxed and *loud*. iPaq into sled, sound goes way down. Sound *stays* down if I remove the sled, and until I soft reset. Finally, injury to insult: the box claims that the kit comes with a 12v lighter adaptor for power. Not. Navman customer service is apparently split across two different divisions. The one that handles the 3450 has a phone number that's always busy.
Rating:
Summary: Outside the USA
Review: It works fantastic. I live outside the USA, so the supplied software is not usefull for me here (Caribbean), however I have the GPS Tuner for pocket pc installed and they work perfectly together.
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