Navigation from stage-to-point can be achieved by making use of waypoints. Line of sight navigation is additionally attainable by just pointing the unit at a geographical aspect or in a particular course and going toward it. Theo ?ánh giá, lo?i thi?t b? này ???c trang b? nhi?u tính n?ng hi?n ??i ??m b?o ?áp ?ng nhu c?u s? d?ng. ?? làm ch? ??