Navman F20

CNET editors' rating: 3.5 stars Very good
Detailed editors' rating
Design: 8.0
Features: 7.0
Performance: 8.0
Overall score: 7.7 (3.5 stars)
• Average user rating: 2.5 stars out of 22 reviews
• See all user reviews

Product summary

CNET editors' review

• Reviewed by: Bonnie Cha
• Reviewed on: 10/26/2006

Navman's last portable navigation system, the Navman iCN 750, wowed the market with its built-in camera. Yet this type of innovation (not to mention its high price tag) is better suited to the driver-cum-gadget hound crowd. What if you just want an affordable system to get you from point A to point B? Enter the Navman F20. This compact unit offers basic navigation tools and a simple, attractive interface that first-time users will appreciate. More importantly, it provides accurate directions. While there are some downsides, such as an outdated points-of-interest (POI) database and a weak speaker, we think the Navman F20 is a very solid, entry-level GPS device. And at $379.95, it's one of the most affordable systems we've seen to date.

The Navman F20 is well designed and attractive, with a charcoal-gray case. The unit is easily swapped between cars, as it's a compact 3.1 inches high by 4.5 inches wide by 0.9 inch thick, and weighs just 7.1 ounces. Navman kept external controls simple: to the right of the screen sits a Main Menu button and a navigation key that, when pressed repeatedly, cycles through various screens--3D map view, next turn, turn-by-turn directions, and route summary. We also liked the Gas and Parking buttons, which retrieve a list of the closest gas stations and parking garages. The power button is located on the top of the unit, with volume controls on the unit's right side--a touch we always appreciate, as external buttons save us the trouble of digging through multiple screen menus. Oddly, these buttons looked a bit crooked on our review unit, but they still worked fine.

You can access other functions and enter addresses through the Navman F20's 3.5-inch touch screen. The responsive screen is bright and features an anti-glare coating, but we still had some problems reading the display in direct sunlight. Unlike some other portable navigation systems, such as the Delphi NAV200, the Navman F20's menu interface is simple and intuitive, and map screens are easy to understand.

A Secure Digital card slot and a mini USB port are located on the unit's left spine; a reset hole is found at the bottom of the unit. The Navman F20 comes with just the essentials: an SD card, preloaded with U.S. maps; a vehicle mount (for the dash or windshield); a car charger; and reference material. Like with the Navman 750, we worry about the durability of the windshield mount, as the plastic brackets that secure the bottom of the unit seem like they could easily snap off.

There are no tricks or gimmicks with the Navman F20--the company set out to create a basic, easy-to-use navigation system, and that's what it is. The SiRFstarIII GPS receiver is integrated into the device, and all maps are preloaded on the unit's 2GB Secure Digital card--so all you have to do is insert it into the Navman F20's expansion slot and you're ready to go. When you first turn on the Navman F20, you'll answer a number of setup questions, such as selecting a regional map and whether you want the unit to display miles or kilometers. This process is straightforward and fairly quick.

If you don't need directions, you can choose the Free Driving option and the Navman F20 will simply track your location as you're driving. To enter a specific destination, there are several options. You can input a street address, an intersection, or search for an address by zip code or city/area. The on-screen keyboard is small, which might be tough to use for larger hands. You can select locations from the Favorites or Recent Address list, or navigate home by hitting the My Home icon. The Navman F20 calculates routes by fastest time or shortest distance. Yet if you want to get information on toll roads, unpaved roads, or ferry crossings, the Navman F20 offers the option under the Preferences menu. The unit can adjust a route if you get off track, offers route demos, and shows speed alerts. The only downside we could find is the unit's lack of multi-destination route planning.

The Navman F20 offers 2D- and 3D-map views, as well as day and night modes. In the 3D screen mode, the Navman F20 displays information such as: the current street and the name of the next street on your chosen route; direction and distance to the next turn; GPS status; a zoom button; and an information icon. When you press this button, the unit launches a page that displays the remaining distance to the destination, estimated time of arrival, the current time, your current speed, direction, and the unit's remaining battery life. The Navman F20 also can display text-based instructions, and has screens dedicated to showing the route's next turn and the route summary. Of course, all of this information is supplemented by voice prompts. The Navman F20 does not support text-to-speech functionality, however, so you'll only get generic instructions (for example, turn left in 100 feet) rather than specific street names.

The Navman F20 includes a comprehensive points-of-interest database that contains all the basics (gas stations, hotels, ATMs) as well as more specialized categories (amusement parks, concert halls, monuments). Some of the listings were out of date, however. For example, we searched for restaurants and bars in a San Francisco neighborhood, and discovered several listings had gone out of business.

We tested the Navman F20 in San Francisco. From a cold start, it took the unit about 3 minutes to acquire a GPS fix; subsequent starts were much faster. The Navman F20 accurately tracked our position as we drove around the city. We also entered a specific destination, and the Navman F20 quickly returned with a suggested route. We found the directions accurate, and the unit was quick to recalculate our route when we veered off track. That said, we had a hard time hearing the voice prompts, even with the volume up to its highest level. The F20 is rated for up to 3.5 hours of battery life.

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User reviews

• Average user rating: 2.5 stars out of 22 reviews
• My rating: 0 stars Write review

• Showing 5 of 22 user reviewsSee all 22 user reviews

• 0.5 stars

  11 out of 11 people found this review helpful

  "False advertising on box; no use if you want to customize POIs"

  by migboy on December 6, 2006

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• 4.5 stars

  4 out of 4 people found this review helpful

  "Awesome GPS system and very reliable."

  by nstuart25 on November 4, 2006

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• 4.5 stars

  3 out of 3 people found this review helpful

  "Really nice, works perfect, fast, easy setup"

  by fmklem on November 1, 2006

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• 4.5 stars

  2 out of 2 people found this review helpful

  "Compared it to a NUVI"

  by florence32596 on December 3, 2006

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• 0.5 stars

  1 out of 1 people found this review helpful

  "If this is one of the 'best' I'd hate to see the worst"

  by TC Rider on May 22, 2007

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• See all 22 user reviews Write review

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