The Raymarine C120 Chartplotter/FishFinder/Radar is multifunctional. These features include: Configure any C-Series display as single function stand-alone chartplotter, digital fishfinder or radar Create a combination chart-plotter,radar,or echo sounder Build a powerful all-in-one chart/radar/sounder system Intuitive The intuitive C-Series interface puts you in command. Simply “Page” through your choice of displays Create custom windows of any combination of chartplotter,radar or sonar. Twist N’ Click™ rotary control provides easy alphanumeric waypoint storage Advanced Display Technology Direct Sunlight Viewable 256 color displays Excellent contrast and a wide viewing angle Prismatic light enhancing screens with integrated anti-glare filters C-Series GPS Chartplotter Connect an optional Raystar GPS Satellite Differential (WAAS/EGNOS) Sensor and choose Navionics Gold charts to transform any C-Series display into accurate and detailed GPS charting system. Support for professional quality Navionics Gold vector charts on Compact Flash cards 256 color high resolution display and Navionics gold provides paper chart like clarity True Motion and Relative Motion modes Auto Range mode intelligently maintains your vessel and your waypoint on the best chart scale while underway Quick and easy alphanumeric waypoint storage using the Twist n’ Click™ rotary control Loran TD positioning On screen VHF DSC position reports (with compatible DSC VHF via NMEA) Unlimited waypoint, route and track storage using compact flash cards C-Series Digital Fishfinder Transform a C-Series display into the ultimate fishfinder with High Definition Fish Imaging™ technology using an optional Raymarine Digital Sounder Module. Patented Digital Raymarine HDFI echo sounder technology Fully adaptive transmitter receiver adjust up to 220 sonar parameters per second Enhanced high resolution 256 color discrimination 600 or 1000-Watt transmit power Fishing Waypoints: Pause the screen and save a waypoint at an exact location on the bottom graph 2, 3, 4x and user programmable Zoom scales C-Series Radar Choose an optional Pathfinder radome or open array antenna and a C-Series display becomes a powerful Pathfinder radar system. Radar/chart overlay MARPA (Mini-Automatic-Radar-Plotting-Aid) target tracking Waypoint navigation and multiple waypoint overlay Low receiver noise figure (less than 5 dB) Auto GST™ fully automatic gain,sea clutter and tune control for real hands off operation. Advanced microprocessor controlled transmitter-receiver features 8 pulse width/PRF settings, providing enhanced target returns through every range scale