JRC JMR-7282-S - Page 344

Section 12 Automatic Sailing (Option) 12-16
Cause Conditions to raise Automatic sailing Countermeasure
Early Course
Change warning
3-6 minutes before the
wheel-over time.
If Early course change
warning is not
acknowledged for 30
seconds, the warning
escalates to Early course
change alarm.
Can be continued -
Early course
change alarm
An early course change
warning was not
acknowledged for 30
seconds. If the alarm is
not acknowledged for an
extra period of 30
seconds, Back-up
Navigator Call is
transferred to BNWAS.
Actual Course
Change warning
30 s before the
wheel-over time.
If Actual course change
warning is not
acknowledged for 30
seconds, the warning
escalates to Wheel-over
Time alarm.
Can be continued -
Wheel Over Line
alarm
An actual course change
warning was not
acknowledged for 30
seconds. If the alarm is
not acknowledged for an
extra period of 30
seconds, Back-up
Navigator Call is
transferred to BNWAS.
Change Autopilot
steering mode
warning
Position or speed sensor
data is lost or invalid,
causing the following
errors:
POSN(Sensor Failure)
alarm
STW(Sensor Failure)
alarm
Even if the warning is
acknowledged, this
warning will be repeated
every 2 minutes during
dead reckoning.
Performs dead
reckoning for 10
minutes and stops
automatic sailing.
Switch the steering mode of
AUTO PILOT to AUTO or
HAND. Otherwise, the
current course is retained for
AUTO PILOT (for details,
refer to the AUTO PILOT
instruction manual).
Performs dead
reckoning using
the last received
speed value.