G300 Installation Manual – Post Installation Checkout and Calibration Procedures
Page 9-11
190-00921-01
Revision A
3.
Unlock the GSU Page by pressing softkeys 2, 3, 4 in order (if needed).
4.
Ensure that all three status boxes indicate a positive state (green check marks). The GMU 44
and GSU 73 units must be communicating with the GDU 37X, and the GPS antenna must
have clear view of the sky or a GPS repeater to produce positive status indications.
5.
On the GSU Status Page, use the FMS Joystick to select MAGNETOMER.
6.
Use the FMS Joystick to highlight the Calibrate button, press the ENT Key.