Lighthouse a65 - Page 301

CancellingaMARPAtargetusingthemenu
1.SelectMenu.
2.SelectTargets.
3.SelectViewTargetLists.
4.SelectViewMARPAList.
5.SelecttherelevantMARPAtargetfromthelist.
6.SelectCancelTargetorCancelAllTargets.
Vesselvectors(CPAgraphics)overview
CPAgraphicsshowvectorsforyourvesselanda
selectedtarget.
Avectorisalineon-screenshowingthepredicted
coursesofyourvesselandtheselectedtargetifyou
bothremainonyourpresentcourse.Thesevectors
varyinlengthduetovesselspeedandvectorlength
setintheMARPASet-upmenu.
0.556nm
00h30m09s
143°T
28.0kt
1
2
D9008-2
ItemDescription
1Targetvector
2
CPAgraphic
Truemotion
Withthedisplaysetintruemotionmode,thevectors
ofyourvesselandthetargetareshownextended
totheirintersectionpoint.TheCPAisshownas
alinethatisplacedonyourvessel’svectoratthe
pointoftheCPA.Thelengthanddirectionoftheline
indicatesthedistanceandbearingofthetargetat
CPA.ThetextindicatesCPAandTCPA.Thetext
nexttothetargetsymbolindicatesitstruecourse
andspeed.
Relativemotion
Withthedisplaysetinrelativemotionmode,no
vectorextensionofyourvesselisshown.TheCPA
lineemergesfromyourownvessel,withthetarget
vectorextensionbeingshownasrelative,nottrue.
Thetextnexttothetargetindicatesitscourseand
speed.
DisplayingMARPAtargetdata
1.Selectthetarget.
TheMARPAcontextmenuisdisplayedwhich
providesthefollowingdata:
•ClosestPointofApproach(CPA).
•TimetoClosestPointofApproach(TCPA).
•COG(ifavailable).
•SOG(ifavailable).
2.TodisplayCPAgraphicsselectCPAGraphic
fromthecontextmenu:
i.SelectAutotodisplaytheCPAgraphicwhen
thetargetisselected.
ii.SelectOntodisplaytheCPAgraphicwhile
thetargetisbeingtracked.
iii.SelectOfftohidetheCPAgraphic.
3.Todisplaycourseandbearinginformation
alongsidetothetargetselectMARPADataso
thatShowishighlighted.
i.SelectingMARPADatawillswitchbetween
ShowandHide.
ViewingfullMARPAtargetinformation
Fromtheradarapplication:
1.SelectMenu.
2.SelectTargets.
3.SelectViewTargetLists.
4.SelectViewMARPAList.
5.Selecttherelevanttarget.
6.SelectViewFullTargetData.
Radarapplication
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