What to do if my Garmin G300 GPS airspeed or altitude shows a Red-X condition?
If your Garmin GPS airspeed and/or altitude shows a Red-X condition, inspect the GSU 73 pitot/static plumbing integrity and the pitot/static ports and associated equipment. If the problem continues, replace the GSU 73 with a known good unit.
What to do if TAS and/or OAT indications are dashed out on my Garmin GPS?
If TAS (True Airspeed) and/or OAT (Outside Air Temperature) indications are dashed out on your Garmin GPS, check the GTP 59 OAT probe wiring and connection for faults. Also, check the GSU 73 configuration module wiring for damage and replace it if necessary. If the issue remains, replace the GTP 59 OAT probe. If the problem persists, replace the GSU 73 with a known good unit.
Why am I getting Red-X failures on the heading of my Garmin GPS?
If you are experiencing Red-X failures on the heading of your Garmin GPS, check the following while the aircraft is on the ground. When taxiing without reliable GPS information, heading performance is susceptible to the presence of magnetic anomalies. Check for any newly installed equipment on the aircraft. Inspect wiring/connector issues between the GSU 73 and GMU 44 before replacing either unit.
How to fix Crosstalk Error on Garmin G300 (Dual or Three Screen Systems)?
To resolve the Crosstalk Error on your Garmin GPS dual or three screen systems, ensure both displays are running the same software version to clear the issue.
General| Category | GPS |
|---|---|
| Manufacturer | Garmin |
| Water Resistance | Yes |
| Water Rating | IPX7 |
| Connectivity | Bluetooth |
| Receiver | High-sensitivity GPS |
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