Alarms
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AI50 circuitry, or the unit has been repaired.
If the unit is powered down with a BIIT fault still active, the fault type will
be saved to memory and displayed the next time the AI50 is turned on.
7.6 Lost Vessel Alarm
This is a Level 3 alarm, and will be activated when the AIS reception from
a vessel is lost.
An audible alarm will sound and a “Lost Vessel Alarm” 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). If the text display is active, the
text line for that vessel’s data will be greyed out.
If reception from the lost vessel’s AIS is re-established, then the icon will
return to its previous state.
7.7 Favourites Alarm
This is a Level 3 alarm, and will only display if the option has been
activated in the “Alarm Setup Menu”. If a vessel entered on your favourites
list comes within your VHF range the following window will open and the
alarm will sound. Fig. 7.4.
To confirm and clear this alarm, press ◄, this will close the window and
return you to current display.
Fig. 7.4 - Favourite ship alert
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