Preface vii
5.5 Wheel drive (wheel pilots only) ..............................................70
Installation stages .................................................................... 70
Drilling the spoke clamp holes ................................................71
Securing the wheel drive to the wheel .....................................74
Attaching the pedestal bracket ................................................75
Connecting to the control unit ................................................. 79
5.6 Rudder position sensor (wheel pilot option) ........................... 81
Ensuring correct alignment ..................................................... 81
Securing the sensor to the boat ................................................ 83
Attaching the sensor to the tiller arm ....................................... 83
Checking alignment ................................................................84
Connecting to the control unit ................................................. 84
Chapter 6: Setting-up the ST4000+ ........................................85
6.1 Functional test ......................................................................... 86
Switch on ................................................................................86
Autopilot steering direction ....................................................86
Checking connections ............................................................. 88
6.2 Check rudder sensor operation (if fitted) ................................ 90
6.3 Initial sea trial ..........................................................................91
Overview ................................................................................91
Correcting the compass deviation ..........................................92
Adjusting the heading alignment ............................................ 95
Checking autopilot operation .................................................. 95
Checking the rudder gain ........................................................ 96
6.4 Autopilot calibration techniques .............................................98
Step 1 - Switch on ancillary equipment ................................... 98
Step 2 - Apply initial settings .................................................. 98
Step 3 - Adjust the rudder damping .........................................99
Step 4 - Adjust the rudder gain ................................................ 99
Step 5 - Adjust the AutoTrim setting .......................................99
Step 6 - Further adjustments .................................................... 99
Chapter 7: Customizing the ST4000+ ..................................101
7.1 User setup ..............................................................................102
Compass deviation correction (SWING COMPASS) ..........102
Deviation display (DEVIATION) ........................................102
Heading alignment (ALIGN HDG) ......................................102
Heading mode (HDG MAG/TRU) .......................................102
Bar selection (RUDD BAR/STEER BAR/NO BAR) .......... 104
Data pages 1-7 (DATA PAGE) .............................................. 104