GPSMAP 178C Sounder features

320 x 320-pixel, 256-color CSTN screen with adjustable CCFL backlight 3.2" W x 3.2" H (4.5" diagonal) viewing area 6.3" x 4.9" x 3.7" (W x H x 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 Additional Specifications

Note: This item has been discontinued. We have none in stock and it is no longer available to us.