"Range Ring" in "Chart" Setup will enable a plotted range ring of user selectable radius."Sea Surface" in "Chart" Setup will enable display of Sea Surface annotations (Navionics charts).Support for native NMEA 2000 data via the Chetco Digital Instruments SeaSmart marine network."Fuel" in the "Units" "Preferences" can be set to "Gallons" or "Liters".In addition to "Cancel Goto" on the "Waypoints" view, an active waypoint may be cancelled by tapping twice on it on the Chart view and selecting "Cancel Goto".Hilton's I-18 Colombia North Charts.
