... AIS DisplayMODEL: KR-1338 FEATURE:1. 4KW output, 36nm range radar for all kinds of boats2. Rugged dle-cast, waterproof housing ... 4. Echo TrailInterval: 15s, 30s, 1min, 3min, 6min, 15min, 30min, or Continuous 5. Interface (NEMA 0183 format) --: any talker (menu selection ... ARP-10 (Built-in option)Acquistion: 5 auto + 5 manual, or 10 manualTracking: AutoDisplay: Speed, Course, Range/bearing and CPA/TCPA ...