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PARAGRAPH
PAGE
5
POST INSTALLATION CONFIGURATION AND CHECKOUT PROCEDURE .........................5-1
5.1 Function Selector Switches and Display ...........................................................................................5-1
5.2 Post-Installation Calibration Procedures............................................................................................5-1
5.3 Calibration Procedure A-1: Pitch/Roll Offset Compensation by Aircraft Leveling ..........................5-4
5.4 Calibration Procedure A-2: Zero Pitch/Roll Offsets by Manual Entry..............................................5-5
5.5 Calibration Procedure B: Magnetometer Calibration ........................................................................5-7
5.6 Calibration Procedure C: Heading Offset Compensation ................................................................5-10
5.7 Calibration Procedure D: Engine Run-Up Vibration Test ...............................................................5-11
5.8 Calibration Procedure E: Magnetometer Interference Test .............................................................5-13
5.9 Site Evaluation of Magnetic Disturbances for Magnetometer Calibration Procedure.....................5-17
APPENDIX B INTERCONNECT DRAWINGS
Page iv
GRS 77/GMU 44 Installation Manual
Revision L
190-00303-10
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