Garmin Appliance Data User's Guide Page 59

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Part Four: Section 3
HTAWS Alerts
Terrain Database Information
To function properly HTAWS requires the use of
databases specific to helicopters and HTAWS. The databases
required are:
6 arc-second Terrain Database
Helicopter Obstacle Database
Helicopter Aviation Database including Heliports
Database Updates
Terrain/obstacle databases are updated periodically
with the latest terrain and obstacle data. Visit the Garmin
website to check for newer versions of terrain/obstacle
databases. Compare database cycle numbers to determine
if a newer version is available.
The database update process includes either
reprogramming or replacing the database card and
inserting the updated card in the right card slot on
the unit front panel. The terrain/obstacle database
may be downloaded via the internet and the card
reprogrammed using a USB programmer available
from Garmin. Contact Garmin at 800-800-1020 or at
www.garmin.com for more information.
To update your terrain/obstacle databases:
1. Acquire a new terrain data card from Garmin.
2. Turn off the power to the unit.
3. Remove the old terrain data card and insert the
new card into the right-most slot of the unit.
4. Turn on the unit and verify that the HTAWS
system passes self-test.
190-00356-30 Rev L
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