GARMIN GPSMAP 431Garmin GPSMAP 421 Chartplotter - Available in Two Configurations - The GPSMAP 431 is a compact chartplotter that features an ultra-bright 4” QVGA color display along with an improved high-speed digital design for increased map drawing and panning speeds. It’s ready to go with a built-in, satellite-enhanced basemap preloaded with U.S. Inland Lakes and an easy-to-use interface designed to help you navigate the open waters with ease. The GPSMAP 431 also accepts BlueChart® g2 Vision cards for added features and functionality such as high-resolution satellite imagery, 3-D views and Auto Guidance technology.

Navigate the Lake - The GPSMAP 431 comes ready to go with preloaded U.S. Inland Lake map data. For areas outside the U.S., the GPSMAP 431 has a worldwide basemap with satellite images in place of more traditional maps. The GPSMAP 431 also comes standard with a high-sensitivity GPS receiver for superior satellite tracking and quicker acquisition times. And with an SD card slot, it’s easy to add additional maps without connecting to a computer.

Add Sonar - Where applicable, the sounder version, GPSMAP 431s, comes with a powerful dual-beam transducer that clearly illustrates depth contours, fish targets and structure whether you’re fishing in freshwater or off the coast. The GPSMAP 431 and GPSMAP 431s are also NMEA 0183-certified for easy connectivity with sensors, instruments and future marine offerings.
Add Extras with Inland Lakes Vision - With the optional Inland Lakes Vision SD card, you can add a whole new dimension of exceptional features to your chartplotter.

* MarinerEye view and FishEye view provide you a 3-dimensional perspective of map information, both above and below the waterline.

* High-resolution satellite images to help you orient yourself in unfamiliar areas.

* Auto Guidance technology searches through all relevant charts to create a route you can actually follow — one that avoids obstacles, shallow water, buoys and other obstructions.

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