Furuno FEA-2107-BB - Low Speed; Lost SOG;COG Reference

30. Steering With TOKYO KEIKI Autopilot PR-6000
30-30
30.9.4 Low speed
Associated alarms (generated
at ECDIS)
Expected system performance What end operator
should do
• Alarm "2008 Filter: Speed
below xx."
• Acknowledge alarms.
• Study situation.
Within 90
seconds
• Alarm "2010 Filter: Pos
source change".
• Acknowledge alarms.
• Study situation.
Within 30
seconds
• Alarm "2501 Route: Needs
higher Speed".
• Acknowledge alarms.
• Study situation.
After 2
minutes
then every 4
minutes
• Alarm "2506 Route: Use
AUTO control".
• Guidance for navigator • Change immediately to
local autopilot control.
• Acknowledge alarms.
After 4
minutes
then every 2
minutes
• Alarm "2501 Route: Needs
higher Speed".
• Reminder • Acknowledge alarms.
• Study situation.
Within 10
minutes
• Alarm "2497 Route Stop-
Sensor fail".
. • Acknowledge alarms.
• Study situation.
After Alarm
"2497 Route
Stop-Sensor
fail."
• Alarm "2471 RC/NAV-TC
STOP - Use AUTO" in
ECDIS is generated. Warning
lamp RC turns on and
steering mode indicator lamp
RC start flashing in Autopilot
control panel.
• If ship is in linear part, actual
heading is used as set course.
• If ship is turning, last set course
and radius are used to complete
the turn..
• Acknowledge alarms
• Study situation.
• Change steering mode
to "AUTO".
30.9.5 Lost SOG/COG reference
Goto AW steering mode
Associated alarms (generated
at ECDIS)
Expected system performance What end operator
should do
• Alarm "2507 Route: Need
sog/cog ref."
• Acknowledge alarms.
• Study situation.
After 2
minutes
then every 4
minutes
• Alarm "2505 Route: Use
Goto OS."
• Instruction for navigator • Change to Goto OS
steering mode.
• Acknowledge alarms.
After 4
minutes
then every 4
minutes
• Alarm "2507 Route: Need
sog/cog ref."
• Reminder • Acknowledge alarms.
• Study situation.
Within 10
minutes
• Alarm "2489 Route: Changed
to Goto OS"
• Automatic change of steering
mode to Goto OS mode.
• Acknowledge alarms.
• Study situation.