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G3X Installation Manual – Software, Configuration, Databases, and XM Activation Page 7-13
190-01115-01 Revision A
5. When the update process is complete, the screen updates the database status
6. Once the database(s) have been updated, the SD card can be removed from the unit.
7. The unit must be restarted by pressing the Restart softkey.
8. Repeat steps 1-7 for each installed GDU 37X.
7.5.2 Available Databases
Jeppesen® Aviation Data (NavData™)
The Jeppesen database contains the general aviation data (NavData) used by pilots (Airports, VORs,
NDBs, SUAs, etc.) and is updated on a 28-day cycle.
Terrain
The terrain database contains the elevation data which represents the topography of the earth. This
database is updated on an irregular basis.
Basemap
The basemap contains data for the topography and land features, such as rivers, lakes, and towns. It is
updated only periodically, with no set schedule. There is no expiration date.
Obstacle
The obstacle basemap contains data for obstacles, such as towers, that pose a potential hazard to aircraft.
Obstacles 200 feet and higher are included in the obstacle database. It is very important to note that not