Raymarine LIGHTHOUSE 3 User Manual

[Ifyouwouldprefernottodefinethesearchrectangledimensionsusingthemajorandminoraxis,
therectanglecanbedefinedbysettingthecoordinatesofeachcornerpointinstead]:
i.Enterthecoordinatesofeachcornerpoint1–4.
Note:
•Thecornercoordinatesneedtoformarectangle
.Ifthecoordinatesarenotsuitablethenyou
willnotbeabletocreatethesearchroute.
•TheCSPmustbeononeofthesidesofthesearchpattern.
•ForaCreepingLinesearchpatterntheCSPmustbelocatedalongoneofthelongersides.
•ForaParallelLinesearchpatterntheCSPmustbelocatedalongoneoftheshortersides.
•TheCSPmustbeonabearingofbetween85°to95°(i.e.rightangle±5°)fromthepreviousside.
•TheCSPshouldbehalfatrackwidthfromthecornerpoint.
8. 13Laylines
Laylinesareusedinsailingtoshowhowfarthevesselmustsailonthecurrenttackinordertomake
atargetwaypointaftertacking,givenpresentwindconditions.
Whenalaylineisusedtocalculatetheroutetoawaypoint,itwilltakeintoaccountanumberoffactors
toprovideabetteralternativecourse,comparedtosimplynavigatinginastraightlinetoawaypoint.
Thereasonwhylaylinesareamoreefficientwaytosailtoaspecificpointisbecausethey’re
basedonTrueWindDirection(TWD)andeither:a)fixedupwind/downwindsailingangles,orb)
theuseofpolarstoreflecttheperformanceofyourparticularvessel.Inthisrespect,sailingalong
laylinesmaximizesyourVelocityMadeGood(VMG)towindward.Anotherreasonwhylaylines
aremoreaccurateisbecausetheycanalsobeconfiguredtoaccountfortidalcurrent,aswellas
theleewayofyourvessel.
Toensurethelaylinecalculationsareasaccurateaspossible,it’simportanttoensurethatthe
followingsettingsarecorrectlyconfigured:
•Boatdetails(specificallythoserelatingtosailing): Homescreen>Settings>Boatdetails
•Laylinessettings: Chartapp>Menu>Settings>Laylines
Formoreinformationonthesesettings,referto:p.85—Boatdetails
andp.186—Laylinessettings
184

Raymarine LIGHTHOUSE 3 Specifications

General

Operating System	LightHouse 3
Networking	RayNet (Ethernet), NMEA2000
Display	High-resolution touchscreen
User Interface	Touchscreen with intuitive interface
Navigation	Advanced navigation features
Radar Support	Yes
Sonar Support	Yes
Connectivity	Wi-Fi, Bluetooth, NMEA 2000
Integration	Engine data, autopilot control, digital switching, entertainment systems
GPS	Built-in GPS receiver
Cartography	Supports Navionics and LightHouse charts
AIS Compatibility	Yes
Compatible Displays	Raymarine Axiom, Axiom Pro, Axiom XL
Chart Support	Navionics, C-MAP, LightHouse charts
Radar Compatibility	Raymarine Quantum
Sonar Compatibility	Raymarine CP370, CP470, CP570 sonar modules
Software Updates	Via Wi-Fi or microSD card