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14 ST4000+ Wheel & Tiller Autopilots: Owner’s Handbook
2 Basic Operation
2.4 Autopilot alarms
Responding to alarms
The ST4000+ activates the alarms listed on the following pages:
• Unless otherwise stated, you should deal with alarms by pressing
standby to clear the alarm and return to hand steering.
• In some situations, the autopilot will raise more than one alarm.
When you have dealt with the first alarm, the autopilot will
display the next alarm.
SeaTalk Failure alarm (STLK FAIL)
The ST4000+ displays the SeaTalk failure message if there is a wiring
fault in the SeaTalk connection.
Off Course alarm (OFFCOURSE)
The ST4000+ activates this alarm when the boat has been off course
from the locked heading by more than the specified angle* for longer
than 20seconds. It shows whether the deviation is to port or starboard.
Note: * You can adjust this specified alarm angle in Dealer setup
(see page 109).
1. To cancel the off course alarm, press
standby to return to hand
steering.
2. Check whether your boat is carrying too much sail, or whether the
sails are badly balanced. You can usually significantly improve
course keeping by improving the sail balance.
Note: The ST4000+ also clears the alarm if the heading recovers, if
you change the course, or if you change the operating mode.
D3315-2
= deviation to port
= deviation to starboard