Off Course Alarm - Raymarine ST1000 Plus Tiller Pilots Owner's Handbook Manual

Chapter 2: Using the Tiller Pilot
Returning to the previous heading
1. Press auto for 1 second: the previous heading will flash for
2. To accept the previous heading, press auto again while the
Note: If you do not press auto while the display is flashing, the
autopilot will maintain the current heading.

Off course alarm

The off course alarm sounds if the locked autopilot heading and the
boat's current heading differ by more than the value set in
calibration level 6 (see page 64) for 20 seconds.
Cancelling the off course alarm
To cancel the off course alarm, press standby to return to manual
steering.
Note: If the off course alarm sounds, this is usually an indication that
the boat is carrying too much sail, or that the sails are badly
balanced. In these conditions, you can usually obtain significant
improvements in course keeping by improving the sail balance.
10 seconds.
previous heading is flashing.
SECOND
Resumed
course
Dodge
11
Obstacle
Original
course
D191-2