Raymarine a75 Operation Instructions

8.3Alarmoptions
SafetyAlarms
MenuitemDescriptionOptions
Waypointarrival
Ifenabled,whenyouarriveatawaypoint,analarmis
triggered.Thissettingallowsyoutospecifytheradius
ofthewaypointarrivalcircle.Thewaypointarrival
circleisanimaginarycirclearoundthedestination
waypoint.Whenyourvesselcrossesthiscirclethe
WaypointArrivalalarmistriggered.
Note:Thewaypointarrivalalarmisalwaysenabled
ifyoursystemincludesaRaymarineautopilot.
Enable:
•Enabled(Ticked)(default)
•Disabled(Un-ticked)
Waypointarrivalradius
Defaultvalues:
•19m—appliestokmandnm&munits
ofmeasure.
•61ft—appliestoNauticalMilesandStatue
Milesunitsofmeasure.
Radius/distancerange:
•19to18,520m
•61to60,761ft
•0.01to10nm
•0.012to11.508sm
•0.019to18.52km
Offtrack
Whenenabled,duringactivenavigationanalarmis
triggeredwhenyourvesselsteersoff-trackmorethan
thevalueyouspecifyfortheOffTrackXTEsetting.
Enable:
•Enabled(Ticked)
•Disabled(Un-ticked)(default)
OffTrackXTE
Defaultvalues:
•556m—appliestokmunitsofmeasure.
•0.300nm—appliestonmandnm&m
unitsofmeasure.
•0.345sm—appliestosmunitsofmeasure.
Radius/distancerange:
•19to18,520m
•61to60,761ft
•0.01to10nm
•0.012to11.508sm
•0.019to18.52km
Safezone(MARPA&
AIStargets)
Alarmsaretriggeredwhentargetsbecomedangerous.
AISandMARPAtargetsaredeemeddangerouswhen
theyarewithinthespecied:
•Distance/Radius—ClosestPointofApproach
(CPA),or
•Time—TimetoClosestPointofApproach(TCPA)
totheSafezone
MARPAtargetalarmscannotbedisabled.Seebelow
fordisablingandenablingAIStargetalarms.
Safezoneradius
•0.1nm/0.1sm/0.2km
•0.2nm/0.2sm/0.5km
•0.5nm/0.5sm/1km(default)
•1nm/1sm/2km
•2nm/2sm/5km
TimetoSafezone
•3min(default)
•6min
•12min
•24min
Alarmmanagement
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Raymarine a75 Specifications

General

Brand	Raymarine
Model	a75
Category	Marine Equipment
Language	English