Raymarine LIGHTHOUSE 3 - Alarm settings; Dangerous Radar targets; Lost Radar targets; Dangerous AIS targets

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TheHomescreenAlarmsiconwilldisplaythenumberofactivealarms.
Alarmsettings
DependingonconnectedperipheralhardwareandMFDconfigurationthealarmslistedbelowcanbe
enabledanddisabledandwhereapplicablealarmthresholdscanbesetorchanged.
Note:
Alarmsareonlytriggeredwhenrelevanthardware(e .g.:sensors)isconnectedandreportingthe
datarequiredforthealarm.
• DangerousR adartargets—Ifenabled,analarmistriggeredwhenRadartargetsbecome
dangerous.Radartargetsaredeemeddangerouswhentheyhavethepotentialto
crossyourpathwithinaspecifieddistanceandtime.Foralarmparametersreferto:
p.280—Dangeroustargetsalarm
•L ostRadartargets—Ifenabled,analarmistriggeredwhendangerousRadartargetsbecomelost
(i.e.:noRadarreturnfromthetargethasbeenreceivedfor20seconds).
•DangerousAIStargets—Ifenabled,analarmistriggeredwhenAIStargetsbecomedangerous.
AIStargetsaredeemeddangerouswhentheyhavethepotentialtocrossyourpathwithina
specifieddistanceandtime .Foralarmparametersreferto:p.152—Dangeroustargetsalarm
•
Guardzone1—Ifenabled,analarmistriggeredwhenR adarreturnsaredetectedwithinguard
zone1.
•Guardzone2—Ifenabled,analarmistriggeredwhenR adarreturnsaredetectedwithinguard
zone2.
•W aypointarrival—Ifenabled,whenyouarriveatawaypoint,analarmistriggered.Thissetting
allowsyoutospecifyaradiussizeforthreetypesofarrivalalarm.Whenyourvesselcrossesthe
specifiedradius,theWaypointArrivalalarmistriggered.ThefollowingWaypointarrivalalarmsare
available:
– Arrivalradius—UsedwhentheMFDisNOTinpilotintegrationmodeandtheAutopilotis
inTrackmode.
–
Pilottrackmoderadius—UsedwhentheMFDisintegratedwithanAutopilotandtheAutopilot
isinTrackmode.
– Searchroutearrivalradius—UsedwhentheMFDisfollowingaSARpattern.Alsohelpfulwhen
racesailingandusingLaylines,orwhenfishing,asthisalarmsettingprovidesasmallerradiusto
ensureyoudon'tgetalertedtoofarawayfromthetargetwaypoint.
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