Plug-and-play mobile navigation system with built-in mapping database
Automatic navigation with turn-by-turn directions and multilingual voice guidance
Street-level detail map features 48 contiguous U.S. states, Hawaii, and major Canada metro areas
6 million points of interest; compatible with Cobra's real-time traffic receiver and antenna
5-inch, sunlight-readable, color display; 14 map zoom levels; 1-year warranty
This review is from: Cobra GPSM 4000 Nav One 5-Inch Portable GPS NavigatorI purchased the 4000 NAV One after extensive research and pondering which route to take. My prerequisites were about the same as all are looking for; Good size screen, preloaded maps, voice prompts that tell you street name, re-route calculations, quick acquisition time, easy software upgrades and numerous POI's. I must say I was skeptical at first with the only brands being on my mind were Garmin and Magellan. I even considered the Pioneer AVIC-N2 in dash navigation unit but quickly shot it down when I found out you have to load the navigation DVD to plot routes, start out on your route and have to pop the DVD back in if you want to bring up another destination or even a simple POI! This is unacceptable for a close to $2000 system (Pioneer is offering a $300 rebate at this time) when most of us will be listening to a CD, or MP3's on it. Oh by the way, the passenger can't even watch DVD's while the car is moving. I narrowed my choices down to the Garmin Street Pilot 2720 and the Cobra 4000 NAV One and weighed the two side by side. I chose the Cobra due to its screen being twice the size and it being a sturdier unit. It has very quick response time, a large color touch screen, customizable in every way. The unit has all that I expected and more, not to mention $100 less than the Street Pilot 2720 but I have to be fair that the 2720 does give you a remote to operate the system....
This review is from: Cobra GPSM 4000 Nav One 5-Inch Portable GPS NavigatorAfter a disasterous experience with a Sony NavU70 unit and after considering the Garmin system owned by a friend, and after doing extensive research and demoing some products at the local Circuit City, I finally selected the Cobra GPSM4000 sight unseen and bought it through Amazon. Frankly I wasn't expecting too much, and the appearance of the unit struck me as a little retro (too much chrome for my taste, as though this unit had been designed as an add-on for old GM vehicles). But when I put it in my 4x4 I was impressed. Although the manual warns you that it can take up to 20 minutes for a brand-new unit to orient itself based on the signals received from the orbiting satellites, the Cobra 4000 oriented itself within 60 seconds of being turned on. It was so quick that I found myself wondering if the people at the factory had somehow pre-programmed my location.The screen is nice and bright, the touch-screen functionality is just the right degree of sensitivity, and all the key parameters are tunable through the menu options so you can customize the unit to perform according to your own preferences. New locations are simple to store (which makes waypointing easy) and the system provides breadcrumbs which is essential for off-roading. The Sony unit referred to earlier in this review was an ergonomic disaster and didn't support breadcrumbs nor simple location storage. It was pretty, though.As real-time traffic data comes on-stream in the USA the real-time traffic option will become more worthwhile. I didn't purchase this option with my unit because it's not really available yet in my region and besides, there's no alternative when the local freeway is jammed. There is no route work-around possible, so it wouldn't help me much on a day-to-day basis. But one day, when the service is cheap and there are alternative routes to be found, it will be a worthwhile addition to the repertoire of all in-car navigation systems.I really like the larger screen size, though while it is technically 5 inches in diameter the actual map size is about 4.5 inches because the borders are occupied with soft keys. Still, that beats the 3 inch and 3.5 inch screens found on other units like Garmin and Magellan and TomTomGo.Voice prompting is nice & crisp, but the on-screen direction arrow with distance indicator is a little small, for those situations when you want to check whether it's the next turn or the one 50 feet after that. Some GPS units scroll smoothly as you travel, keeping the cursor in the center of the map. The system in my Acura does that and I've become used to it. The Cobra unit works the other way: the cursor representing your vehicle travels across the screen and then, just as it reaches the edge of the screen, the entire map "jumps" to a new page and the process starts all over again. While my preference is for the Honda/Acura approach, the "jumping page" is something I can live with and isn't too distracting in practice. I care more about the accuracy ...
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