4 | AP28 Manual
4.2 Acknowledging an alarm ....................... 100
4.3 Viewing active alarms........................... 100
4.4 Alarm codes ........................................ 100
5 Troubleshooting...................................... 103
5.1 SimNet status...................................... 103
5.2 System data........................................ 103
5.3 Resets................................................ 104
5.4 Alarms ............................................... 105
6 Maintenance ........................................... 109
6.1 General .............................................. 109
6.2 Control unit......................................... 109
6.3 Autopilot Computer .............................. 109
6.4 Rudder Feedback ................................. 109
6.5 Compass............................................. 110
6.6 Drive unit ........................................... 110
6.7 Exchange of software program............... 110
7 Optional equipment ................................ 111
7.1 R3000X Remote Control (NFU)............... 111
7.2 S35 Steering Lever (NFU)...................... 112
7.3 JS10 Joystick (NFU).............................. 112
7.4 AP28 with MSD50 Stern Drive unit.......... 112
8 Glossary.................................................. 115
9 Index...................................................... 119