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4-3190-01182-00 Rev. A
Garmin GTR 225/225A/225B Pilot’s Guide
4.2 Updating the Frequency Database
The GTR 225 uses a standard USB memory device to load the frequency
database into the GTR 225. The memory device is not provided by Garmin. The
Frequency database is stored internally and the USB memory device is only used
to transfer the database into the unit.
The Garmin databases can be updated by following the instructions on
https://fly.garmin.com/fly-garmin.
The following equipment is required to perform the update:
•Windows-compatiblePCcomputer(Windows2000,XP,Vista,orWindows
7 recommended)
•USB2.0compatibleUSBashdrive
•ExternalUSBcable
•UpdateddatabaseobtainedfromtheGarminwebsite
NOTE: The data contained in the frequency database comes from
government agencies. Garmin accurately processes and cross-validates the
data, but cannot guarantee the accuracy and completeness of the data.
4.2.1 Downloading the Frequency Database
The Frequency database is updated on a 28-day cycle. Frequency database
updates are provided by Garmin and may be downloaded from the Garmin web
site https://fly.garmin.com/fly-garmin.
4.2.2 Updating the GTR 225 Frequency Database
See Section 3.4.5 for details on updating the database.