Appendix A Alert and Maintenance INFO List A-2
The list of alert messages by alert type is shown below.
Each item in the “Subject” column indicates the following.
TCS: Alert relating to the TCS function
HCS: Alert relating to the HCS function
INS: Alert relating to the INS function
ECDIS: Alert relating to the ECDIS function
RADAR/AIS: Alert relating to the RADAR/AIS function
S-JOY: Alert relating to the S-JOY function
MJS-9000: Alert relating to the MJS-9000 function
Control unit: Alert relating to the control unit
Display unit: Alert relating to the display unit
Operation unit: Alert relating to the operation unit
Power supply: Alert relating to power supply
AIS: Alert relating to the AIS function
Maintenance: Alert relating to maintenance
Others: Other alert
Types of alert categories is shown below.
Category A: Alert about grounding, collision
Category B: All alerts except category A
A.1 Alarms
Message Subject Explanation Category
Actual course change TCS Arrival at Wheel Over Line Alarm 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.
A
Cross Track (Dev EX) ECDIS The off-track distance from the planned route
exceeded the limit.
A
Crossing a User defined
Alarm Object
ECDIS Crossing a User defined Alarm Object A
Crossing Safety
Contour
ECDIS Crossing the safety contour A
Depth below keel INS Alarm on the depth below the keel A
Dragging anchor ECDIS Own ship exited from the dragging anchor
monitoring area
If Dragging anchor warning is not acknowledge for 2
minutes, the warning escalates to alarm.
A
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