Lost Differential Position - Furuno FEA-2107 Operator's Manual

28.9.7

Lost differential position

Goto track steering mode
Associated alarms (generated
at ECDIS)
•
Alarm "4027...4031: Lost
DGPS" or "4012...4016:
Position equipment error."
•
Within 90
Alarm "2010 Filter: Pos
seconds
source changed."
•
Within 30
Alarm "2492 Route: Needs
seconds
diff pos."
•
After 2
Alarm "2505 Route: Use
minutes and
Goto WP."
then every 4
minutes
•
After 4
Alarm "2492 Route: Needs
minutes and
diff pos."
then every 4
minutes
•
Within 10
Alarm "2489 Route:
minutes
Changed to Goto WP."
Program track steering mode
Associated alarms (generated
at ECDIS)
•
Alarm "4027...4031: Lost
DGPS" or "4012...4016:
Position equipment error."
•
Within 90
Alarm "2010 Filter: Pos
seconds
source changed."
•
Within 30
Alarm "2495 Progtrack:
seconds
Needs diff pos."
•
After 2
Alarm "2504 Progtrack:
minutes and
Use Radius Ctrl."
then every 4
minutes
•
After 4
Alarm "2503 ProgTrack:
minutes and
Needs diff pos."
then every 2
minutes
•
Within 10
Alarm "2496 ProgTrack:
minutes
Stop-Sensor fail."
Expected system performance
•
Goto Track requires
differential position.
•
Guidance for navigator
•
Reminder
•
Automatic change of steering
mode to Goto WP mode.
Expected system performance
•
Program Track mode requires
differential position.
•
Guidance for navigator
•
Reminder
•
Automatic change of steering
mode to Radius Control mode.
•
If ship is in linear part, actual
heading is used as set heading.
If ship is in turn, last-set
heading and radius remain.
28. Trackpilot
What end user should do
•
Acknowledge alarms.
•
Study situation.
•
Acknowledge alarms.
•
Study situation.
•
Acknowledge alarms.
•
Study situation.
•
Change to Goto WP
steering mode.
•
Acknowledge alarm.
•
Acknowledge alarms.
•
Study situation.
•
Acknowledge alarms.
•
Study situation.
What end user should do
•
Acknowledge alarms.
•
Study situation.
•
Acknowledge alarms.
•
Study situation.
•
Acknowledge alarms.
•
Study situation.
•
Change immediately
to local autopilot
control.
•
Acknowledge alarm.
•
Acknowledge alarms.
•
Study situation.
•
Acknowledge alarms.
•
Study situation.
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