For the same reason the gyro compass was not working.
It contains a spinning gyro that, when activated by your trusty handheld control, spins off in a totally different direction !
Gyro sensors detect unwanted vibrations, triggering the corresponding movement of a correcting lens group perpendicular to the optical axis.
As a result Swift continued to maneuver based on the attitude provided by the inertial gyro system.
The relative weighting between gyro data and magnetic data can be adjusted.
Check CCA radar equipment, gyro repeaters, wind speed/direction indicators, and NAVAIDs for proper operation.
He devoted himself to the war effort, carrying out research on bombs, gyro sights, guns and ammunition.
Star trackers, horizon sensors, gyroscopes the laser gyro, accelerometers.
Repeater Compasses The indications of the master gyro compass can be transmitted to almost any number of repeater compasses.