Seakeeper 18 Operation Manual (90673-1); S/N 18-214-1000 to 18-233-2474
2.6 Inertia Measurement Unit
The motion sensor suite in the Inertia Measurement Unit (IMU) measures the angular movements of the vessel and the vertical and lateral boat movement. These signals are communicated to the ECM through the Seakeeper’s wiring harness.