GPS Gets Even Easier to Use

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Terry Costlow, Contributing Editor -- Design News, February 4, 2008

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The GPS system is so widely known, it’s an acronym that doesn’t need to be spelled out, but that doesn’t mean products aren’t advancing. Garmin International Inc.’s handheld Colorado devices employ the Rock ’n Roller wheel, which lets outdoor, marine and fitness enthusiasts find their way with just one hand, usually with just their thumb.

It also adds a game called Whereigo, which adds a new dimension to geocaching. The 7.3 oz unit also permits wireless exchange of geocaches, waypoints and tracks between units.

The color 3-inch screen provides 3-D elevation perspective, including preloaded U.S. topographic maps, shoreline details, depth contours and boat ramps for inland lakes and navigable rivers in the U.S.