Important note: “ALL” is the only alarm
setting that operates without GPS input.
CPA alarm
Triggers a CPA alarm for any target which
will come this distance or closer to your
vessel (in nautical miles).
An alarm will not be triggered if the target
doesn't also meet the specifications of the
other CPA alarm settings described below.
Selecting “
OFF
” disables the CPA alarm.
CPA alarm - Time
This value specifies the maximum amount of
time (in minutes) that a target's CPA must
occur for it to trigger an alarm. If a target has
a CPA which is “too close” but the TCPA is
greater than this value, no alarm will be
triggered.
This allows you to indicate that you only
want alarms for targets which pose a risk of
collision in the “near future”.
Selecting “
OFF
” allows a CPA alarm to be
triggered regardless of the time until CPA if
it also meets the specifications of the other
CPA alarm settings.
This setting is only available if the “CPA
alarm” setting is not set to “
OFF
”.
CPA alarm - Target
Speed
This value specifies the minimum SOG (in
knots) that a target must be moving for it to
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