Contents
1.0 Introduction.................................................................................................................................3
2.0 Specification................................................................................................................................4
2.1 Overview .........................................................................................................................4
2.2 Dimensions.......................................................................................................................4
2.2.1 Forward Looking Housing.....................................................................................4
2.2.2 Right Angle Housing..............................................................................................4
2.3 Acoustic, Heading, Attitude & Temperature....................................................................5
2.4 Communications, Power & Physical...............................................................................5
3.0 Installation .............................................................................................................................6
3.1 Electrical Installation.......................................................................................................6
3.1.1 Connector Pin Out................................................................................................6
3.1.2 Power....................................................................................................................7
3.1.3 Serial Interface.....................................................................................................7
3.1.4 RS232 Wiring.......................................................................................................7
3.1.5 RS485 Wiring.......................................................................................................8
3.1.6 Analogue Out and TTL Trigger............................................................................9
3.1.7 Establishing Communications............................................................................10
3.1.8 Connector Mating...............................................................................................10
3.1.9 Connector Cleaning............................................................................................11
3.2 Location...........................................................................................................................11
3.2.1 Acoustics (Altitude Measurement Performance)................................................11
3.2.2 Magnetic Disturbers (Heading Performance).....................................................11
3.2.3 Alignment with Vehicle (Pitch/Roll Accuracy)..................................................12
3.2.4 Heat Sources (Temperature Accuracy)...............................................................13
3.3 Mounting .......................................................................................................................13
4.0 Operation ..................................................................................................................................14
4.1 Use with seaView software............................................................................................14
4.2 Integration with systems................................................................................................15
4.3 Understanding advanced features..................................................................................15
5.0 Servicing....................................................................................................................................17
6.0 ASCII Output Strings ..............................................................................................................18
6.1 Altitude ..........................................................................................................................18
6.2 AHRS.............................................................................................................................24
7.0 Theory Of Operation.................................................................................................................26
7.1 Altitude - Basic Principles..............................................................................................26
7.2 The Sonar Equation........................................................................................................28
7.2.1 Source Level (SL)............................................................................................28
7.2.2 Transmission Loss (TL)....................................................................................29
7.2.3 Noise Level (NL)..............................................................................................29
7.2.4 Directional Index (DI)......................................................................................30
7.2.5 Detection Threshold (DT)................................................................................30
7.3 Heading, Pitch & Roll....................................................................................................31
7.4 Temperature....................................................................................................................31
8.0 Warranty....................................................................................................................................32
9.0 Technical Support .....................................................................................................................33
