ECDIS User manual
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to the critical point when the key point on the route is less than the value set by the user.
After accessing the AIS, the AIS will issue an AIS alarm when the AIS close to setting time
and distance.
ECDIS automatically issues a sensor signal loss alarm when the connected sensor signal
is lost.
ECDIS automatically issues different reference alarms when the reference system of the
positioning system is different from the reference used by the chart.
ECDIS automatically issues an alarm near the special area when it is close to the
prohibited area or a geographical area with special conditions.
ECDIS automatically issues a safety deep contour warning when crossing the vessel 's
safety contour in advance observation time.
Anchor alarm.
2.13.2 Alarm prompts and responses
After the alarm occurs, the alarm information will be displayed at the alarm prompt and
flash, and an alarm sound will be sounded. The alarm prompt window is as shown:
The alarm includes the alarm time, the type of alarm, and the content of the alarm.
If the user does not need the alarm sound, you can select the silence.
When there are many alarms,you can view the alarm contents of the next and previous
ones by cursor ope and - buttons.
When you click the confirmation button, the alarm will be invalid until the alarm condition is
released ,and the alarm would be valid again when the alarm re-triggered to re-alert again.
When you click Confirm All to confirm that all current alarms are confirmed.
When the alarm is all confirmed or the alarm is not generated, the +, -, confirmation, and
all confirmation buttons cannot be clicked.
2.13.3 Alarm Record
The alarm related information will be recorded in the alarm record after the alarm occurs.