RD-30

• Organizes operation of GPS, VideoPlotter, radar, echo sounder, etc. for user's preference
• NMEA 0183 or IEC 61162-1 digital interface
• Positive display of own ship position, speed, course, water temperature, depth, speed and direction of current and wind
• AIRMAR Smart SensorTM providing water temperature, water depth and speed relative to water
• Audible alarms for course error, ship speed, cross track error, temperature, depth, arrival
• High contrast 4.5" Silver Bright LCD display
• night and day light viewable