Garmin G5 Installation Manual page 204

NOTE
The calibration procedure in Section 6.3.7.1 must be completed prior to performing this
procedure.
NOTE
A magnetometer calibration failure is indicated by a "Magnetometer not Calibrated" message on
the G5 on power up. In the event of a failure, verify that the installation passes the magnetometer
interference test in Section 6.3.8.3. If necessary, move the aircraft to a different location and
attempt the magnetic calibration again.
1. Start the aircraft engine in accordance with the aircraft AFM or POH.
2. After aircraft engine startup, taxi the aircraft to a properly calibrated compass rose.
3. At the compass rose, align the aircraft to a heading of magnetic north (+/- 10°).
4. Restart the G5 in configuration mode.
5. If the G5 installation being calibrated does not utilize a GPS input, go to the "GPS" page group
and "Enable" the Internal GPS Receiver.
6. Go to the "Magnetometer" page Group on the G5 unit.
7. Select the "Calibrate Magnetometer..." page.
8. The G5 will display instructions. Follow the on-screen instructions and select "Next" to cycle
through each page of instructions.
9. On the final page, select "Start" to begin the calibration.
10. The G5 display advises the operator when to turn the aircraft, when to stop, and when to turn
again.
11. Upon instruction to turn, taxi the aircraft in a right turn. After approximately 25° to 30° of turn
from the last heading, the G5 display advises the operator when to stop the aircraft.
NOTE
If smooth accurate turns are not made, the G5 may incorrectly interpret a station and instruct to
"Hold current position..." prior to or after completion of the heading change. If this scenario is
encountered, it is best for the operator to temporarily ignore the "Hold current position..."
command and instead use compass rose references to complete the heading change. Dwelling at
these 30° increments for the time recommended by the G5 should result in successful calibration.
12. The G5 instructs the operator to dwell at multiple headings around a complete circle.
13. Repeat the turn-and-stop process until the G5 advises that a successful calibration is complete and
"Calibration: Success" is displayed on the G5.
14. Select "Done" on the G5 to conclude this procedure
15. If the Internal GPS receiver was "Enabled" above for G5 installations that do not utilize a GPS
input "Disable" the Internal GPS receiver before exiting configuration mode.
16. Exit configuration mode.
Garmin G5 Electronic Flight Instrument Part 23 AML STC Installation Manual
Page 204
190-01112-10
Rev. 21