400/500 Series Garmin Optional Displays

iv
Introduction
Table of Contents
Displaying Wind Data .......................................................................................................... 24
Section 6: Troubleshooting ............................................................................................25
Monitoring the Data Link .................................................................................................... 25
GDL 49 Datalink Status ........................................................................................................ 26
GDL 69/69A Datalink Status ................................................................................................. 27
PART THREETERRAIN INTERFACE 29
Section 1: Introduction ..................................................................................................29
Overview .............................................................................................................................. 29
Operating Criteria ................................................................................................................. 29
GPS Position and GPS-MSL Altitude ..................................................................................... 29
TERRAIN Alerting using the GPS Position/GPS-MSL Altitude ............................................... 30
Baro-Corrected Altitude verses GPS-MSL Altitude ................................................................ 30
Premature Descent Alerting (PDA) using GPS-MSL Altitude ................................................. 30
Limitations ........................................................................................................................... 31
Section 2: TERRAIN Operation .......................................................................................32
Power Up ............................................................................................................................. 32
TERRAIN Page ..................................................................................................................... 32
Inhibit Mode ........................................................................................................................ 33
TERRAIN Symbols ................................................................................................................ 34
Color Interpretation .............................................................................................................. 34
General Database Information .............................................................................................. 35
Database Versions ................................................................................................................. 35
Database Updates ................................................................................................................. 35
Terrain/Obstacle Database Areas of Coverage ....................................................................... 36
Navigation Database ............................................................................................................. 36