Raymarine c97 Installation And Operation Handbook

1.Selecttheguardzone.
Theguardzonecontextmenuisdisplayed.
2.SelectAdjustZone.
TheAdjustguardzonemenuisdisplayed.
3.SelectZoneshapetoswitchbetweenSectororCircle.
4.SelectAdjustOuter.
i.Selectthelocationonscreenyouwishtheouterguardzone
tobeplaced.
5.SelectAdjustInner.
i.Selectthelocationonscreenyouwishtheinnerguardzone
tobeplaced.
6.SelectAdjustWidth.
i.Selectthelocationonscreenyouwishtheguardzonewidth
tobesetto.
7.SelectAdjustBearing.
i.Selectthelocationonscreenyouwishtheguardzone
bearingtobesetto.
Note:Guardzonewidthandbearingcanonlybeadjustedwhen
theZoneShapeissettoSector.
Adjustingguardzonesensitivity
Youcanadjustthethresholdatwhichthealarmistriggeredbya
targetenteringtheguardzone.
1.SelectMenu.
2.SelectTrackTargets.
3.SelectGuardZoneSet-up.
4.SelectSensitivity.
5.UsingtheRotaryControladjustthethresholdtotherequired
percentage.
6.PressOktosavethechanges.
Theguardzonesensitivitysettingcanalsobeaccessedfromthe
Alarmsmenu:homescreen>Set-up>Alarms>GuardZone
>Sensitivity.
MARPAoverview
MARPAisusedfortargettrackingandriskanalysisintheradar
application.
Withanaccurateheadingsensorconnectedtoyourmultifunction
display,youcanusetheMiniAutomaticRadarPlottingAid(MARPA)
functionsfortargettrackingandriskanalysis.MARPAimproves
collisionavoidancebycalculatinginformationfortrackedtargets,
andprovidescontinuous,accurate,andrapidsituationevaluation.
Thenumberoftargetsthatyoucantrackatanyonetimeis
dependentonthemodelofradarscannerthatyouareusing.
MARPAtracksacquiredtargets,andcalculatesthetarget’sspeed
andcourse.
Eachtargettrackedcanbedisplayedwithagraphicindicatingthe
ClosestPointofApproach(CPA),andTimetoClosestPointof
Approach(TCPA).Thecalculatedtargetdatacanalsobeshownon
yourscreen.Eachtargetiscontinuallyassessedandanaudible
alarmissoundedifatargetbecomesdangerous,orislost.
ForeffectiveMARPAoperation,yourmultifunctiondisplaymust
haveaccurateheadingandspeeddataforyourvessel.Thebetter
thequalityoftheheadingandspeeddata,thebetterMARPAwill
perform.Forthebestheadingdata,aRaymarineSMARTheading
sensororagyro-stabilizedautopilotisrequired.
InTrueMotionmode,SpeedOverGround(SOG)andCourseOver
Ground(COG)informationisrequiredtoshowtruetargetcourse
andspeed.
InRelativeMotionmode,headingandspeedinformationisrequired.
1
3
2 4
D12 2 19 -1
ItemDescription
1
Safetarget
2Losttarget
3Dangeroustarget
4Targetbeingacquired
Safetynotices
MARPAcanimprovecollisionavoidancewhenusedwisely.Itis
yourresponsibilitytoexercisecommonprudenceandnavigational
judgement.
Thereareconditionswhereacquiringatargetmaybecomedifcult.
Thesesameconditionsmaybeafactorinsuccessfullytrackinga
target.Someoftheconditionsare:
•Thetargetechoisweak.Thetargetisveryclosetoland,buoys
orotherlargetargets.
•Thetargetoryourownvesselismakingrapidmanoeuvres.
•Choppyseastateconditionsexistandthetargetisburiedin
excessiveseaclutterorindeepswells.
•Choppyseastateconditionsexistyieldingpoorstability;own
vessel’sheadingdataisveryunstable.
•Inadequateheadingdata.
Symptomsofsuchconditionsinclude:
•targetacquisitionisdifcultandtheMARPAvectorsareunstable;
•thesymbolwandersawayfromthetarget,locks-ontoanother
target,orchangestoalostsymboltarget.
Inthesecircumstances,targetacquisitionandtrackingmayneedto
bere-initiatedandinsomecasesmightbeimpossibletomaintain.
Betterqualityheadingdatamightimproveperformanceinthese
circumstances.
HowaMARPAriskisassessed
Eachtargetismonitoredtoascertainwhetheritwillbewithina
certaindistancefromyourvesselwithinacertaintime.Ifso,the
targetisdesignatedasdangerous,andanaudiblewarningis
soundedandawarningdisplayed.Thetargetsymbolchangesto
thedangeroustargetsymbolandashestoindicatethatitisa
dangeroustarget.Acknowledgingthealarmwillremovethewarning.
Ifatargetislost,eitherbecausetheMARPAsoftwarehaslost
contactwithit,orbecauseithasmovedoutofrange,anaudible
alarmissoundedandanon-screenwarningappears.Theon-screen
symbolwillchangetothetargetlostsymbol.Acknowledgingthe
warningwillsilencethealarmandremovetheon-screenwarning
andthetargetlostsymbol.
EffectiverangeforMARPAtargets
MARPAtargetacquisitionisonlyavailableatradarrangescalesof
upto12nm,althoughtrackingcontinuesatallranges.
Ifyouchangetoasmallerrangescale,targetsmaybebeyondthe
rangeofyourradarscannerandwillbelost.Insuchcases,an
on-screenwarningindicatesthatthetargetisoff-screen.
Usingradar
141

Raymarine c97 Specifications

General

Brand	Raymarine
Model	c97
Category	Marine GPS System
Language	English