
Page 7-34 G1000 System Maintenance Manual – Diamond DA40/40F
Revision G 190-00545-01
Table 7-6. Magnetometer Interference Test Sequence (Example, Cont).
Elapsed Time
since Start of
Test
(min:secs)
Action
0:40 Flaps down
0:50 Flaps up
1:00 Landing gear up
1:20 Landing gear down
1:40 Speed brake up
1:50 Speed brake down
2:00 Navigation lights on
2:10 Navigation lights off
2:20 Landing lights on
2:30 Landing lights off
2:40 Taxi lights on
2:50 Taxi lights off
3:00 Landing + Taxi lights on
3:10 Landing + Taxi lights off
3:20 Strobes on
3:30 Strobes off
3:40 Recognition lights on
3:50 Recognition lights off
4:00 Turn on all wing-tip lights simultaneously
(typically will include navigation lights,
recognition lights and strobe)
4:10 Turn off all wing-tip lights
simultaneously
4:20 Beacon on
4:30 Beacon off
4:40 Pitot heat on
4:50 Pitot heat off
5:00 End of test
6. When the CALIBRATE field is blinking, press the ENT key to begin the procedure, and have a
stopwatch ready to begin recording the elapsed time.
NOTE
It is important that the “time equals zero” moment corresponds with the moment
the PFD first displays the blinking TEST COMPLETE message. The operator
should carry out the actions called for in the prepared test sequence.
7. It is important that all actions are carried out in the order and at the precise elapsed time as
specified in the prepared test sequence. When the operator has completed the actions specified in
the test sequence, press the ENTER button to indicate that the process is complete. When this is
done, the TEST COMPLETE field stops blinking. The PFD informs the operator if the
installation has passed or failed the magnetometer interference test. If the test passes, no further
action is required for this test.
8. If the test fails, the installation should be considered unreliable until the source of magnetic
interference is identified and remedied. When the magnetometer interference test fails, record the
three magnetometer maximum deviation values and their corresponding timestamps. Any
maximum deviation value greater than 2.5 milliGauss indicates a problem that must be resolved.
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