Home » GPS » GPS Navigation Systems   Product ID: 010-00340-01 Garmin GPSMAP-178C Sounder GPS ChartPlotter and Marine Sonar In Stock: 6 200 MHz processor for quick data acquisition, panning and zooming Single frequency 200 kHz transducer for inland lake use See-Thru® separates fish from thermoclines and structures Depth Control Gain for detailed images of structure and bottom densities User waypoints automatically tagged with date, time, water temperature and depth Stores 10,000 active and 700 saved PC-transferable track points Built-in marine basemap 320 x 320 CSTN 4 1/2" color screen with adjustable CCFL backlight TracBack™ mode guides to points along route Alarms for shallow-water, deep-water, fish-by-size, low battery, anchor-drag, off-course, proximity waypoints and clock 4 7/8" W x 6 5/16" H x 13/16" D Includes power/data cable and adjustable tilt/swivel mount Email Friend Price: $472.99   « Previous | Next »