Garmin G1000 Maintenance Manual page 147

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8. Activate the cursor and highlight the SELECT PROCEDURE window and select
MAGNETOMETER.
9. Press the ENT button.
10. Use the cursor to highlight the BEFORE CALIBRATION window.
11. Follow the checklist items displayed on the PFD and press the ENT key as each one is
completed or confirmed. When the CALIBRATE field is blinking, press the ENT key to begin
the procedure.
12. The PFD display advises the operator when to turn the aircraft, when to stop, and when to
turn again.
13. Upon instruction to turn, taxi the aircraft in a right turn. After approximately 25° to 30° of turn
from the last heading, the PFD display advises the operator to stop the aircraft.
Due to the difficulties in executing smooth, accurate turns the PFD may
incorrectly interpret a station and instruct to "HOLD POSITION" prior to full
completion of a 30° turn.
operator to ignore the "HOLD POSITION" command and instead use outside
references to complete the approximate 30° turn. Instead of using the PFD
instruction to turn as a real-time indication of when to turn, simply judge the 30°
(±5°) turn increments of the aircraft by using the compass rose radials. Dwelling
at these 30° increments for the time recommended by the PFD should result in
successful calibration.
14. The PFD guides the operator to dwell at multiple headings around a complete circle.
G1000 System Maintenance Manual
190-00907-00
NOTE
If this scenario is encountered, it is best for the
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