11-2
Garmin GTN 725/750 Pilot’s Guide
190-01007-03 Rev. B
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Charts
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Music
Utilities
System
Messages
Symbols
Appendix
Index
Terrain utilizes terrain and obstacle databases that are referenced to mean
sea level (MSL). Using the GPS position and GSL altitude, Terrain displays a
2-D picture of the surrounding terrain and obstacles relative to the position and
altitude of the aircraft. In this manner, Terrain Proximity can provide advanced
alerts of predicted dangerous terrain conditions.
Terrain requires the following to operate properly:
• The system must have a valid 3-D GPS position solution.
• The system must have a valid terrain/obstacle database
.
360
Arc
View
Flight Plan
Legend
Layers
Figure 11-1 Terrain Proximity Page Functional Diagram
Содержание GTN 750
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