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(3) Nav. Alarm
Category*1
Message*2
Safety
Crossing Safety Contour
contour
Alarm
Dangerous
Approaching Obstruction
Alarm
Approaching Under
water rock
Approaching Wreck
Dangerous Symbol
Approaching Buoy/Light
Route
Arrived at WPT
Monitoring
Alarm
Actual course change
Off Course
XTD
Arrived at LAST WPT
Automatic sailing failed
Call-back navigator
Target Alarm
CPA/TCPA
Lost
LAT. Limit
LAT. Limit Over
Over Alarm
Anchor
Dragging anchor
Alarm
Timer Alarm
Timer
Chart Alarm
Loaded different datum
chart
Loaded unknown datum
chart
Chart image is Zoom out
ARCS Alarm
Security failed
Not up to date
Area Alarm
Traffic separation zone
Traffic Crossing
Traffic roundabout
Traffic precautionary
Two way traffic
Alarm
Alarm Type*3
Buzzer Type*4
Colour*3
Alarm
Navigation
Red
Alarm - Mid
Alarm
Navigation
Red
Alarm - Mid
Alarm
Red
Navigation
Alarm - Mid
Alarm
Navigation
Red
Alarm - Mid
Alarm
Red
Navigation
Alarm - Mid
Alarm
Navigation
Red
Alarm - Mid
Alarm
Red
Navigation
Alarm - Mid
Alarm
Navigation
Red
Alarm - Mid
Alarm
Red
Navigation
Alarm - Mid
Alarm
Navigation
Red
Alarm - Mid
Alarm
Navigation
Red
Alarm - Mid
Alarm
Navigation
Red
Alarm - Mid
Alarm
Navigation
Red
Alarm - High
Alarm
Red
Navigation
Alarm - Low
Alarm
Navigation
Red
Alarm - Low
Alarm
Red
Navigation
Alarm - Mid
Alarm
Red
Navigation
Alarm - Mid
Alarm
Red
Navigation
Alarm - Low
Alarm
Navigation
Red
Alarm - Low
Alarm
Red
Navigation
Alarm - Low
Alarm
Navigation
Red
Alarm - Low
Alarm
Red
Navigation
Alarm - Low
Alarm
Navigation
Red
Alarm - Low
Alarm
Red
Navigation
Alarm - Mid
Alarm
Navigation
Red
Alarm - Mid
Alarm
Red
Navigation
Alarm - Mid
Alarm
Navigation
Red
Alarm - Mid
Alarm
Red
Navigation
Alarm - Mid
9-3
Meaning*5
[V] Crossing Safety Contour within
set time.
[S] Approaching obstruction
[S] Approaching under-water rock
[S] Approaching wreck
[S] Approaching wreck
Approaching Buoy/Light
Arrived at the WPT.
[A] Necessary to change in the
course. (It occurs before by 30
seconds which arrive at WOL.)
The difference between the course
and bearing exceeds the limit.
The amount of the cross track error
exceeds the limit.
Arrived at the last WPT on the sailing
final leg.
Automatic sailing cannot be
continued.
By one of the following causes:
• POSN1 error
• GYRO error
• Route error
[A] Outputs a callback navigator
alarm.
By one of the following causes:
• ARR alarm does not occur even
after 30 seconds.
• Route alarm does not occur even
after 30 seconds.
[AIS/TT] CPA(Closet Point of
Approach) or TCPA(Time to CPA)
[AIS/TT] Target is lost.
Limit Over Latitude on own ship.
83 00.000'N
83 00.000'S
Crossing anchor circle
Time out
Different datum chart is loaded.
[ARCS] Unknown datum chart is
loaded.
[ARCS] Low-resolution chart is
displayed.
[ARCS] An alarm related to ARCS
security occurred.
[ARCS] An alarm related to ARCS
updated.
[V] Crossing Traffic Separation Zone
within set time.
[V] Crossing Traffic Crossing within
set time.
[V] Crossing Traffic Roundabout
within set time.
[V] Crossing Traffic Precautionary
within set time.
[V] Crossing Two Way Traffic within
set time.
9 Reference
Condition*6
Vector = ON
(User setting)
Sector=ON
(User setting)
During Normal
route navigation
During TCS route
navigation
During route
navigation and
Alarm Setting =
ON
(User setting)
During automatic
sailing
AIS/TT display =
ON
Always
ECDIS
Anchor
circle=ON
Timer=ON
(User setting)
Always
Chat type =
ARCS
See 10.2.1
"Alarm Informa-
tion of ARCS
Chart".
Vector=ON
(User setting)
Alarm item=ON
(User setting)
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