Alarms
63
The icon of the vessel which caused the alarm to activate will turn red,
indicating an alarm condition still exists. Fig. 7.2.
WARNING
It is the responsibility of the vessel’s captain to determine
what action to take in this situation in order to avoid a
collision.
Once action has been taken, and the calculated values increase beyond the
limits as set in the “Collision Alarm” menu, the vessel’s icon will return
to its normal state.
7.3 Collision Alarm – Lost Vessel
This is a Level 1 alarm and will sound whether the Lost Vessel alarm as
described in Section 5.5.2, has been set by the user or not.
If a vessel activates a CPA/TCPA or Guard Zone alarm, and the AIS
transmissions from that vessel are lost; regardless of what screen the AI50
is in, an audible alarm will sound and a “Lost Vessel Collision Alert”
window will open, displaying the last received information
.
To confirm and clear this alarm, press ◄, this will close the window and
return you to current display.
The icon of the vessel which caused the alarm to activate will change to a
“Lost Vessel” icon, (refer to section 6.2). It will retain its previous colour
and bold outlines, and flash at a rate of once every second, indicating that
this condition still exists.
The icon will remain on the display in this state for 10 minutes before
Fig. 7.2 – Collision Alarm view
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