16.10Vesselvectors(CPAgraphics)
overview
CPAgraphicsshowvectorsforyourvesselanda
selectedtarget.
Avectorisalineon-screenshowingthepredicted
coursesofyourvesselandtheselectedtargetifyou
bothremainonyourpresentcourse.Thesevectors
varyinlengthduetovesselspeedandvectorlength
setintheMARPASet-upmenu.
0.556nm
00h30m09s
143°T
28.0kt
1
2
D90 0 8-2
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.
DisplayingCPAgraphicsforMARPAtargets
1.Selectthetarget.
TheMARPAcontextmenuisdisplayed.
2.SelectCPAGraphic.
i.SelectAutotodisplaytheCPAgraphicwhen
thetargetisselected.
ii.SelectOntodisplaytheCPAgraphicwhile
thetargetisbeingtracked.
iii.SelectOfftohidetheCPAgraphic.
3.T odisplaycourseandbearinginformation
alongsidetothetargetselectTargetDatasothat
Showishighlighted.
16.11SettingupaGuardZoneAlarm
AGuardZonecanbesetupintheRadarapplication
toalertyouifanyRadarreturnsaredetectedwithin
aspeciedzone.TheRadarGuardZoneisspecic
totheRadarscannerinuse.
2typesofGuardZoneareavailable:
•Sector—ASectorofaspeciedsizeandposition
•Circle/Ring—ACircle/Ringcentredaroundyour
vessel,withaspeciedouterandinnerperimeter.
FromtheRadarapplicationmenu:
1.SelectCollisionAvoidance.
TheGuardZoneAlarmpageisdisplayed.
2.EnabletheGuardZoneusingthetoggleswitch
atthetopofthepage.
3.SelecteithertheSectororCircle/Ringgraphicto
determinetheshapeoftheGuardZone.
ThecurrentGuardZonesettingwillbedisplayed
onthepage.
4.SelectAdjustZone.
5.AdjusttheGuardZonesettingstochangethe
sizeandpositionoftheGuardZoneasrequired.
Guardzonewidthandbearingcanonlybe
adjustedwhentheGuardZoneshapeissetto
Sector.
6.AdjusttheSensitivitysettingstotherequired
value.
TheSensitivitysettingdeterminesthesizeat
whichobjectswillbeidentiedastargets,alower
settingwillidentifylesstargets.
7.SelectBackorClosetoclosetheGuardZone
Adjustmentmenu.
GuardZonecontextmenu
WhentheGuardZoneisselectedthecontextmenu
providesthefollowingmenuoptions.
•AcquireTarget.
•AdjustZone
•HideGuardZone/ShowGuardZone
Accessingthecontextmenu
1.Non-touchscreenandHybridT ouchdisplays:
i.Movethecursorovertheareaorobjectand
pressingtheOkbutton.
2.HybridT ouchandTouchonlydisplays:
i.Selectandholdonanareaorobject,or
ii.WiththeChartCall-outdisplayedselectthe
Call-outbox.
Radarapplication
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