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1-1190-01182-00 Rev. A
Garmin GTR 225/225A/225B Pilot’s Guide
1 GETTING STARTED
1.1 Product Description
The GTR 225 Com Radio series provides a powerful VHF communications
transceiver in a small footprint at a very affordable price. Besides traditional Com
features, the GTR 225 series also incorporates workload-reducing functions
such as most-used frequency storage in memory.
The GTR 225 series has the ability to monitor the standby Com frequencies.
The GTR 225 (10 watt) Com radio operates in the aviation voice band, from
118.000 to 136.975 MHz, in 25 kHz steps (default). For European operations,
the additional Com radio configuration of 8.33 kHz steps is provided with the
GTR 225A (10 watt) and GTR 225B (16 watt).
Power On/Off,
Com Volume,
Squelch On/Off
Photo Sensor
USB Port
Locking
Screw
LARGE and
SMALL Knobs
(Frequency
Adjust)
Frequency
Monitor Key
Frequency Transfer
(FLIP/FLOP) Key
Press To Return To
Com Display
Press To View Recent or User Freq
Press To Select Intercom Function
Enter Key
Clear Data Key
Function Selection
Figure 1-1 GTR 225 Front Panel Description