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Appendix A
INFO and Permanent
information
A.1 Alert
When an alert occurs, alert information is displayed in the alert notification area.
Alarm button
The numbers displayed in the buttons indicate the number of such alerts that have occurred.
Memo
The alert button of a category that has not occurred will not be displayed.
The display colors of alert messages are defined as follows according to the type and seriousness of
alerts.
Alert Type
Alarms
(An alert indicating a state asking
sailors to pay immediate attention
and take immediate action.)
Warnings
(An alert indicating that the state
has changed, which although is
not immediately dangerous, but
may become so in the near future
if no action is taken. Warnings are
alerts displayed for preventing
possible future hazardous states.)
Cautions
(Although these are neither alarms
nor warnings, these alerts indicate
that it is necessary to pay more
than normal attention to cautions,
statuses, or to the supplied
information.)
No Alarm
Alert, Maintenance
Warning button Caution button
Alert Class
(Seriousness)
Alarms
Warnings
Cautions
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A-1
Appendix A Alert, Maintenance INFO and Permanent information
Alert message
Display
Alert Display Status
Color
Before alarm
acknowledgement:
Blinking
Red
After alarm
acknowledgement:
Lighting
Before warning
acknowledgement:
Blinking
Orange
After warning
acknowledgement:
Lighting
Yellow
Lighting
Green
-
１
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Alert Sound
17
18
3 short
audible
19
signals
(repetitive)
20
21
2 short
22
audible
signals
(repetitive)
APP A
23
24
25
No sound
-
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