Garmin GTR 225A - User Manual

46 pages

Save Page as PDF

To Next Page

GTR 225/225A/225B

Pilot’s Guide

Main Page

Other manuals for Garmin GTR 225A

Specifications2 pages

Questions and Answers

A
Arthur ZimmermanSep 8, 2025
What does it mean if my Garmin GTR 225A display shows “COM Radio Needs Service” at start-up?
- A
  allison27Sep 8, 2025
  This message indicates corrupted system calibration parameters. Contact factory.
M
mfloydSep 12, 2025
What to do if Garmin Transceiver shows 'REMOTE KEY STUCK - COM remote frequency increment key is stuck'?
- W
  Whitney MillerSep 12, 2025
  This message indicates that the remote COM frequency increment (COM CHAN UP) key/switch has been in the pressed position for at least 30 seconds. Verify the COM CHAN UP key/switch is not stuck. Contact dealer for service if this message persists.
M
markfoxSep 12, 2025
What does it mean when my Garmin Transceiver displays 'REMOTE KEY STUCK - COM remote frequency decrement key is stuck'?
- C
  cmaySep 13, 2025
  This message means that the remote COM frequency decrement (COM CHAN DN) key/switch has been in the pressed position for at least 30 seconds. Verify the COM CHAN DN key/switch is not stuck. Contact dealer for service if this message persists.
B
Brandon FergusonSep 14, 2025
What to do if Garmin GTR 225A displays 'DISPLAY - Display board needs service'?
- P
  Peter LynchSep 14, 2025
  This message indicates that the display board needs service. Contact dealer for service.
B
brendalangSep 16, 2025
What does it mean when my Garmin GTR 225A Transceiver displays 'POWER ALERT - Unit will shut down if power switch is not restored immediately'?
- K
  Kyle AndersonSep 17, 2025
  This message indicates that power has been removed from the unit. Re-apply power to the unit.

Garmin GTR 225A Specifications

General

Frequency Range	118.000 to 136.975 MHz
Power Output	10W
Type	VHF Transceiver
Channel Spacing	25 kHz
Channels	760
Operating Voltage	11.5 - 33.0 VDC
Voltage Range	11.5 - 33.0 VDC
Operating Temperature	-20 to +55 °C