Garmin GTN 650 Pilot's Guide - Page 182
to the position and altitude of the aircraft. In this manner, Terrain Proximity can
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Terrain Proximity utilizes terrain and obstacle databases that are referenced Foreword to mean sea level (MSL). Using the GPS position and GSL altitude, Terrain Getting Proximity displays a 2-D picture of the surrounding terrain and obstacles relative Started to the position and altitude of the aircraft. In this manner, Terrain Proximity can Xpdr Ctrl provide advanced alerts of predicted dangerous terrain conditions. Terrain Proximity requires the following to operate properly: Com/Nav • The system must have a valid 3-D GPS position solution. FPL • The system must have a valid terrain/obstacle database. Direct-To Proc Wpt Info Map Traffic Terrain Weather View Layers 360 Arc Flight Plan Legend Figure 10-1 Terrain Proximity Page Functional Diagram Nearest Music Utilities System Messages Symbols Appendix Index 10-2 Garmin GTN 625/635/650 Pilot's Guide 190-01004-03 Rev. B