Simrad NSO, Operation Manual

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Alarm system | 105
18 The alarm system
The NSO system will continuously check for dangerous situations and system faults while
the system is running. When an alarm situation occurs, an alarm message will pop up on
the screen.
If you have enabled the siren, the alarm message will be followed by an audible alarm.
The alarm is recorded in the alarm listing so that you can see the details and take the
appropriate corrective action.
Type of messages
The messages are classified according to how the reported situation will affect your
vessel. The following color codes are used:
COLOR IMPORTANCE
Red Vital
Orange Important
Yellow Standard
Blue Warning
Green Light warning
Single alarms
A single alarm is displayed with the name of the alarm as the title, and
with details for the alarm.
Multiple alarms
If more than one alarm is activated simultaneously, the alarm message
will display a list of up to 3 alarms. The alarms are listed in the order
they occur with the alarm activated first at the top. The remaining
alarms are available in the Alarm listing. Refer to
The Pages section.
Acknowledging a message
The following options are available in the alarm dialog for acknowledging a message:
OPTION RESULT
OK Sets the alarm state to acknowledged, meaning that you are aware
of the alarm condition. The siren / buzzer will stop and the alarm
dialog will be removed.
The alarm will however remain active in the alarm listing until the
reason for the alarm has been removed.
Disable Disables the current alarm setting. The alarm will not show again
unless you turn it back on in the Alarm settings dialog.
There is no time-out on the alarm message or siren. These remain until you acknowledge
it or until the reason for the alarm is removed.