Page 7-30
G1000/DA40 System Maintenance Manual
Revision 6
190-00303-03
7.7.5 Procedure B: GRS/GMU Magnetic Calibration
CALIBRATION PROCEDURE B MUST BE CARRIED OUT ON A COMPASS ROSE IN ORDER TO
GUARANTEE MEASUREMENTS FREE OF ENVIRONMENTAL MAGNETIC DISTURBANCES.
ATTEMPTING TO CARRY OUT THIS MANEUVER ON A TYPICAL RAMP AREA MAY NOT
YIELD A SUCCESSFUL CALIBRATION. THE ACCURACY OF THE AHRS CANNOT BE
GUARANTEED IF THIS CALIBRATION IS NOT PERFORMED ON A MAGNETICALLY CLEAN
COMPASS ROSE OR EQUIVALENT.
1.
Start both displays in normal mode.
2.
Start the aircraft engine following the procedures in the G1000/DA40 Airplane Flight Manual
Supplement.
3.
After aircraft engine startup, taxi the aircraft to a properly calibrated compass rose. At the
compass rose, align the aircraft to a heading of magnetic north (
±
5°).
4.
Restart the PFD and MFD in configuration mode.
5.
On the MFD, select the GEA page group. The technician may monitor engine performance at the
Engine Data page during the procedure:
6.
Go to the GRS Page Group on the PFD.
7.
Select the GRS/GMU Calibration page and enter the following softkey password:
a)
9
b)
10
c)
11
d)
12 (Far Right softkey)
CAUTION
Summary of Contents for Diamond DA40
Page 1: ...190 00303 03 January 2007 Revision 6 G1000 System Maintenance Manual Diamond DA 40...
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Page 137: ...G1000 DA40 System Maintenance Manual Page A 3 190 00303 03 Revision 6 A 4 Parts List...
Page 138: ...G1000 DA40 System Maintenance Manual Revision 6 190 00303 03 Page A 4...
