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• GPSMAP 178C Sounder with built-in Worldwide Marine basemap
• Remote antenna with 30’ cable or integrated GPS sensor
• Power/data cable
• 1-knob, adjustable tilt and swivel mount
• User’s manual
• Quick-start guide

Garmin GPSMap 178Ci

• GPSMAP 178C Sounder with built-in Worldwide Marine basemap


• Remote antenna with 30’ cable or integrated GPS sensor


• Power/data cable


• 1-knob, adjustable tilt and swivel mount


• User’s manual


• Quick-start guide

• 320 x 320-pixel, 256-color CSTN screen with adjustable CCFL backlight


• 3.2" H x 3.2" W (4.5" diagonal) viewing area


• 4.9”H x 6.3”W x 2.8”D unit dimensions


• State-of-the-art 200 MHz processor makes data acquisition, panning, and zooming virtually instantaneous


• Choose either a dual-frequency 50/200 kHz transducer for offshore boating or a single-frequency 200 kHz transducer for inland lakes and bays


• See-Thru® technology (which separates fish from thermoclines and structure) and Depth Control Gain (DCG®) for detailed images of structure and bottom densities


• New digital display technology offers an easy-to-read, semi-transparent digital readout that allows users to see sonar images "behind" the data


• User waypoints are automatically tagged with the date and time of creation, as well as water temperature and depth—vital information for serious anglers


• 10,000 active track points and 700 saved track points; database information can be stored on removable data cards and transferred to a PC or another unit


• Sends, receives, and displays positioning data with DSC equipped VHF radios


• TracBack™ mode helps guide you back to points along a route


• Tracklines can be color-coded for trolling or cruising applications


• 500-watt (RMS) 4000-watt (PTP) output with dual-frequency transducer


• 400-watt (RMS) 3200-watt (PTP) output with single-frequency transducer


• Adjustable range, gain, zoom, and bottom lock


• Temperature log maintains a graphical record of temperature data


• Shallow-water, deep-water, fish-by-size, timer, low-battery-voltage, anchor-drag, arrival, off-course, proximity-waypoint, and clock alarms


• Water temperature and fish ID with depth alarms

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