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Chapter 2: Using the Tiller Pilot 19
2 Using the Tiller Pilot
Waypoint arrival and advance
IMPORTANT NOTE:
Waypoint advance will only operate if the tiller pilot receives
valid bearing to waypoint and waypoint name information.
The tiller pilot can only decode the first FOUR characters of a
waypoint name. It will not be able to decode names longer than
four characters, which will stop the waypoint advance feature
from working.
If your navigator transmits valid waypoint name and bearing to
waypoint data, you can advance from one waypoint to the next
by pressing
-10 and +10 together.
Arrival
As the boat passes the target waypoint, the navigator manually or
automatically selects the next target waypoint. The pilot will then:
• detect the new target waypoint name
• sound the waypoint advance alarm
• display the new bearing to waypoint and the direction the boat
will turn to acquire it
Advance
When the waypoint advance alarm is sounding, the tiller pilot will
suspend Track mode and maintain the current heading:
• check that it is safe to turn onto the new track
• press the
-10 and +10 keys together: this will cancel the waypoint
arrival alarm and turn the boat towards the next waypoint
Unless you accept the waypoint advance in this way, the alarm will
continue to sound and the tiller pilot will maintain the current course.
Dodges in Track mode
In Track mode, you still have full control from the keypad:
• to make a dodge maneuver: use the
-1, +1, -10 or +10 keys
• after you have avoided the hazard, reverse the course change
selected for the dodge maneuver by selecting an equal course
change in the opposite direction
• if the boat remains within 0.1 nm of track, there is no need to steer
back towards the track
81130_3.book Page 19 Wednesday, July 25, 2001 11:57 AM