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4607 Fish Finder GPS marine navigation system unit: Navman is a manufacturer of
marine electronics and Global Positioning System (GPS) technology based on New Zealand.
Navman 4607 is a fish finder GPS marine navigation system unit. The features of Navman Fish
4607 fishfinder are 6.4” color TFT screen with 640 x 480 pixels, sonar performance with
depth readings to 2000 ft, 200/50 kHz frequency operation, zoom function, adjustable
split screen, standard with transom mount dual frequency transducer with speed and temperature
built in and 33 ft, built-in fuel computer software, indicators - low battery, too shallow,
too deep, water temperature and temperature rate of change, engine hours counter, waterproof,
and operates in both 12 v and 24 v systems.
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