Why Garmin sidetone level is too low or too high?
If the sidetone level is too low or too high, it could be due to the wrong type of headsets, or the level simply needs adjustment. If necessary, adjust the sidetone level on the COM Setup page.
How to fix a Garmin GPS 400W Series unit that does not power on?
If your Garmin GPS 400W Series unit isn't powering on, the issue might be a lack of power to the main connector P4001. Ensure power is connected to the main 78-pin connector P4001, pins 19 and 20, and ground to P4001, pins 77 and 78. Also, check the circuit breakers and the main avionics switch.
Why Garmin GNS 430W GPS 400W Series unit does not power on?
If your Garmin 400W Series unit isn't powering on, the issue might be that the unit isn't getting power to the main connector P4001. Ensure power is connected to the main 78-pin connector P4001, pins 19 and 20, and ground to P4001, pins 77 and 78. Also, check the circuit breakers and main avionics switch.
Why won’t my Garmin GPS OBS resolver calibrate?
If the OBS resolver won’t calibrate, it could be due to an incompatible resolver or an improper connection. Check the resolver specifications and wiring.
What to do if Garmin OBS Resolver won’t calibrate?
If the OBS Resolver won’t calibrate, it might be due to an incompatible resolver or improper connection. Check the resolver specifications and wiring.
What does basemap database integrity error mean for Garmin GNS 430W GPS?
This error indicates that the 400W Series unit has detected a failure in the built-in basemap (land data) database. To resolve this, reload the basemap database.
What does Garmin basemap database integrity error mean and how to fix it?
A “Basemap database integrity error” message on your 400W Series unit indicates a failure in the built-in basemap (land data) database. To resolve this, reload the basemap database.
Why Garmin 400W Series GPS unit is not receiving heading from compass system?
If your 400W Series unit isn't receiving heading from the compass system (when using ARINC 429 heading input), it might be due to: * Incorrect ARINC 429 input port speed: Check the ARINC 429 input port speed setting for the port that the device is connected to and verify that the speed is correct for that device. * Wiring: Check wiring.
Why does my Garmin GNS 430W GPS say 'Do not use for navigation'?
The 400W Series unit is in Demo Mode and must not be used for actual navigation. Check that the DEMO MODE SELECT pin is not connected.
What to do if Garmin GNS 430W signal levels drop when avionics are turned on?
If the GPS signal levels drop when you turn on your avionics, it's likely due to noise interference from other avionics. To resolve this, turn off all avionics and then turn them on one at a time to identify the source of the interference. Also, try routing the GPS cable and positioning the GPS antenna away from potential interference sources.
General| WAAS | Yes |
|---|---|
| VHF Output Power | 10 Watts |
| COM Ports | 1 |
| GPS Channels | 12 |
| Database Update Interval | 28 days |
| Type | GPS/NAV/COM |
| Display | Color |
| Frequency Range | 118.00 MHz to 136.975 MHz (COM); 108.00 MHz to 117.95 MHz (NAV) |
| Voltage Range | 11 to 33 VDC |
| Channels | 200 (NAV) |
| GPS Receiver | WAAS |
| Approaches | ILS, VOR |
| Database | Jeppesen |
| Certification | TSO-C146a |
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