Advanced Navigation Motus Reference Manual page 3

10.4 Power Supply................................................................................................... 34
10.5 Odometer........................................................................................................ 35
10.5.1 Factory VSS Signal.................................................................................... 35
10.5.2 OBDII Odometer Interface........................................................................35
10.5.3 Aftermarket Wheel Speed Sensor.............................................................36
10.5.4 Radar Speed Sensor................................................................................. 36
10.6 Magnetics........................................................................................................ 37
10.7 Vibration.......................................................................................................... 37
11 INS and AHRS Operation......................................................................................... 38
11.1 Initialisation..................................................................................................... 38
11.1.1 Orientation Initialisation...........................................................................38
11.1.2 Navigation Initialisation............................................................................ 38
11.1.3 Heading Initialisation................................................................................39
11.1.4 Time Initialisation..................................................................................... 39
11.2 Hot Start.......................................................................................................... 39
11.3 Time................................................................................................................ 39
11.4 Heading Source............................................................................................... 40
11.4.1 Magnetic Heading..................................................................................... 40
11.4.2 Velocity Heading....................................................................................... 40
11.4.3 External Heading...................................................................................... 40
11.5 Magnetics........................................................................................................ 40
11.5.1 2D Magnetic Calibration...........................................................................41
11.5.1.1 Using the Motus Manager Software...................................................41
11.5.1.2 Using the Packet Protocol..................................................................41
11.5.2 3D Magnetic Calibration...........................................................................42
11.5.2.1 Using the Motus Manager Software...................................................42
11.5.2.2 Using the Packet Protocol..................................................................42
11.5.3 Automatic Magnetic Calibration...............................................................42
11.5.4 Disabling Magnetometers.........................................................................43
11.6 Data Anti Aliasing............................................................................................ 43
11.7 Vehicle Profiles................................................................................................ 43
11.8 Odometer Pulse Length................................................................................... 43
11.8.1 Odometer Automatic Pulse Length Calibration Procedure........................43
11.9 Reversing Detection........................................................................................ 44
11.10 Motion Analysis.............................................................................................. 44
11.11 Heave............................................................................................................ 44
11.12 Environmental Exposure................................................................................44
11.12.1 Temperature........................................................................................... 45
11.12.2 Water...................................................................................................... 45
11.12.3 Salt......................................................................................................... 45
11.12.4 Dirt and Dust.......................................................................................... 45
11.12.5 PH Level.................................................................................................. 45
11.12.6 Shocks.................................................................................................... 45
12 Motus Manager....................................................................................................... 46
12.1 Software Changelog........................................................................................ 47
12.2 System Requirements...................................................................................... 47
12.3 Installation....................................................................................................... 47
12.4 Troubleshooting............................................................................................... 47
12.4.1 All Platforms............................................................................................. 47
12.4.2 Windows................................................................................................... 47
Motus Reference Manual
Page 2 of 146
Version 1.1
29/11/2019