Preface vii3.3 Adjusting autopilot performance .............................. 26Changing the response level (AutoSeastate) ............. 26Changing the rudder gain .......................................... 273.4 Alarms ....................................................................... 27Chapter 4: CodeLock ............................................................ 314.1 CodeLock modes ...................................................... 314.2 Setting up CodeLock ................................................. 31Initial setup ................................................................ 31Changing the code or master unit .............................. 334.3 Entering your code (Manual mode only) .................. 334.4 Code number problems ............................................. 34Chapter 5: Customising the ST4000 Plus ........................... 355.1 User Setup ................................................................. 35Compass deviation correction ................................... 37Deviation display ....................................................... 37Heading alignment .................................................... 37Heading mode ........................................................... 37Bar selection .............................................................. 37Dockside rudder cal ................................................... 38Data pages ................................................................. 385.2 Dealer Setup .............................................................. 40Calibration lock ......................................................... 42Pilot type ................................................................... 42Rudder gain ............................................................... 43Response ................................................................... 43Turn limit ................................................................... 43Align rudder (Rudder Offset) .................................... 43Off course alarm ........................................................ 43AutoTack angle ......................................................... 44