Raymarine a95 Operation Instructions

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D12 2 19-1
ItemDescription
1
Safetarget
2Losttarget
3Dangeroustarget
4Targetbeingacquired
Safetynotices
MARPAcanimprovecollisionavoidancewhenused
wisely.Itisyourresponsibilitytoexercisecommon
prudenceandnavigationaljudgement.
Thereareconditionswhereacquiringatargetmay
becomedifcult.Thesesameconditionsmaybea
factorinsuccessfullytrackingatarget.Someofthe
conditionsare:
•Thetargetechoisweak.Thetargetisveryclose
toland,buoysorotherlargetargets.
•Thetargetoryourownvesselismakingrapid
manoeuvres.
•Choppyseastateconditionsexistandthetargetis
buriedinexcessiveseaclutterorindeepswells.
•Choppyseastateconditionsexistyieldingpoor
stability;ownvessel’sheadingdataisvery
unstable.
•Inadequateheadingdata.
Symptomsofsuchconditionsinclude:
•targetacquisitionisdifcultandtheMARPA
vectorsareunstable;
•thesymbolwandersawayfromthetarget,locks-on
toanothertarget,orchangestoalostsymbol
target.
Inthesecircumstances,targetacquisitionand
trackingmayneedtobere-initiatedandinsome
casesmightbeimpossibletomaintain.Betterquality
headingdatamightimproveperformanceinthese
circumstances.
HowaMARPAriskisassessed
Eachtargetismonitoredtoascertainwhetheritwill
bewithinacertaindistancefromyourvesselwithin
acertaintime.Ifso,thetargetisdesignatedas
dangerous,andanaudiblewarningissoundedand
awarningdisplayed.Thetargetsymbolchangesto
thedangeroustargetsymbolandashestoindicate
thatitisadangeroustarget.Acknowledgingthe
alarmwillremovethewarning.
Ifatargetislost,eitherbecausetheMARPAsoftware
haslostcontactwithit,orbecauseithasmoved
outofrange,anaudiblealarmissoundedandan
on-screenwarningappears.Theon-screensymbol
willchangetothetargetlostsymbol.Acknowledging
thewarningwillsilencethealarmandremovethe
on-screenwarningandthetargetlostsymbol.
EffectiverangeforMARPAtargets
MARPAtargetacquisitionisonlyavailableatradar
rangescalesofupto12nm,althoughtracking
continuesatallranges.
Ifyouchangetoasmallerrangescale,targetsmay
bebeyondtherangeofyourradarscannerand
willbelost.Insuchcases,anon-screenwarning
indicatesthatthetargetisoff-screen.
MARPAcontextmenu
TheMARPAfunctionincludesacontextmenuwhich
providespositionaldataandmenuitems.
Thecontextmenuprovidesthefollowingtarget
information:
•CPA
•TCPA
•COG
•SOG
Thecontextmenualsoprovidethefollowingmenu
items:
•Canceltarget
•CPAGraphic
•MARPAData
•Slewthermalcamera(Onlyavailablewhen
thermalcameraisconnectedandoperating.)
Accessingthecontextmenu
1.Non-touchscreenandHybridTouchdisplays:
i.Movethecursorovertheareaorobjectand
pressingtheOkbutton.
2.HybridT ouchandT ouchonlydisplays:
i.Selectandholdonanareaorobject,or
ii.WiththeChartCall-outdisplayedselectthe
Call-outbox.
Conguringtargetoptions
Fromtheradarapplication:
1.SelectMenu.
2.SelectTargets.
3.SelectTargetOptions.
4.SelectVectorLength.
Radarapplication
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Raymarine a95 Specifications

General

Brand	Raymarine
Model	a95
Category	Monitor
Language	English