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1.2.9FUNC (Function) Key
The FUNC (Function) key accesses function categories for the following: the Com Radio, ICS Configuration, System Configuration, and Timer. Pressing the FUNC key once displays the Function mode. Pressing the FUNC key a second time exits the Function mode.
1.2.10MON (Monitor) Key
The MON (Monitor) key will engage the monitor function where the Standby frequency may be monitored while still listening to the Active frequency.
1.3USB Port
The USB port is used to update the frequency database in the GTR 225.
NOTE: Garmin recommends the use of a USB 2.0 compatible USB flash drive for updating the database.
Garmin GTR 225/225A/225B Pilot’s Guide |