Detailed Product Description Boat Radar1. 4KW output, 36nm range river radar2. Rugged dle-cast, waterproof housing3. 3 NEMA 0183 ports4. User-programmable function keys5. Automatic optimization of radar picture6. Newly enhanced short range performance7. Cursor position and radar system data output8. Head-up, Course-up, North-up and True Motion9. Economy Mode, Guard Zone Alarm and Watch Mode10. ...