... Track back feature stores waypoints at user defined intervals for early trace-back cruise8) Waypoint & Route upload/download ... provider furnishes GPS signal corrections to SBAS users, for even better position accuracy, typically better than three meters ... route 6. AlarmsArrival, Anchor watch, XTE, Speed, Time, Trip, Odometer 7. LanguageEnglish, Spanish, French, German, Dutch, Italian, Portuguese, ...