Navico SIMRAD AI50, Manual For Use

Page: 42 / 84

42 Menu Mode
From the main menu highlight “Alarm Setup” and select it.
A sub menu opens displaying the various types of alarms.
Figure 6.10 – Alarm list
Highlight the Alarm type you wish to activate or change
and select it.
Collision alarms
The AI50 has three types of alarms to help prevent a
collision at sea, they are
CPA/TCPA
Guard Zone
Lost Vessel Alarm
From the “Alarm Setup” menu highlight “Collision Alarm”
and select it. A window open showing the activation
status and values. The default is “Not Active “.
Figure 6.11 – Collision Alarms
CPA/TCPA - When you activate the CPA/TCPA Alarm
from within the Alarm Setup Menu, the CPA/TCPA will be
calculated for all AIS equipped vessels in your VHF range.
CPA – Closest Point of Approach is the calculated distance
of how close a vessel will pass.
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