5-34 GPS 175/GNX 375 Pilot’s Guide 190-02207-02 Rev. BHazard Awareness5.16 Terrain Display1 Ownship IconDepicts current aircraft position.2 GSL AltitudeDisplays current GPS height above mean sea level.3 North IndicatorIndicates True north.4Page Orientation Label• Track Up orients page to current aircraft GPS track• Heading Up orients page to current aircraft heading(requires heading data source interface)Heading Up takes priority over Track Up when both orientation inputsare available.5LegendShows color designations for terrain and obstacle relative altituderanges.6 Terrain Overlay IconIndicates power line or obstacle presence at the current zoom scale.Terrain, obstacle, and wire data display as overlays on thededicated Terrain page and as overlays on Map.Terrain Page234561
