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GPSmap 178c Sounder with External Antenna

6.3" × 4.9" × 3.7". See-Thru technology and Depth Control Gain. 10, 000 active track points and 700 saved track points. Database information can be stored on removable data cards. TracBack mode helps guide you back to points along a route. Tracklines can be color-coded for trolling or cruising applications. New digital display technology offers an easy-to-read digital readout. 500-watt RMS 4000-watt PTP output with dual-frequency transducer. 320 × 320-pixel, 256-color CSTN screen with adjustable CCFL backlight. Sends, receives, and displays positioning data with DSC equipped VHF radios. 400-watt RMS 3200-watt PTP output with single-frequency transducer. 200 MHz processor for quick data acquisition, panning, and zooming. Temperature log maintains a graphical record of temperature data. Water temperature and fish ID with depth alarms. Adjustable range, gain, zoom, and bottom lock. Wide variety of alarms. GPSmap 178c Sounder with External Antenna. Outdoors Camping, Camping Gear and Equipment Navigation and Survival GPS Systems GPS Units, Sports Outdoors, GPS Units, Garmin

GPS Systems, Sports & Outdoors