| Marketing Information | The GPSMAP 178 Marine Navigator has everything you need in one space-saving package, GPS navigation, marine chartplotting, and powerful sonar. This combination chartplotter/sounder includes user-friendly interface and sports a high-resolution monochrome display and a price that's within any mariner's budget. The GPSMAP 178 Marine Navigator packs a built-in worldwide marine basemap, state-of-the art processor with lightening-fast map redraw, and crisp, space-saving console, perfect for large crafts and small runabouts alike. Users can enhance basemap detail on the GPSMAP 178 Marine Navigator by simply plugging in data cards preprogrammed with BlueChart or Fishing Hot Spots detail or downloading data from optional MapSource CDs to an optional Garmin data card.
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