WhenusingR
ealBathy™,newcontourlinesaredrawninrealtimeonthe
screenbasedonyourtransducer’sdepthreadings.Colorshadingisusedto
reflectdepth,withdarkestshadesignifyingtheshallowestarea.Thesonar
dataisrecordedtotheinsertedmemorycard.
SettingupandcreatingRealBathycontours
ToenablecreationofRealBathy™bathymetriccontoursinrealtimefollow
thestepsbelow:
Important:
•Y ouwillneedtoknowthedistanceabovethebottomfaceofyour
transducertothewaterline.
•FortidalenvironmentsLightHouse™NC2cartographyisrequiredthat
includestidestationinformationforyourlocation.
FromtheChartapp .
1.InsertyourLightHouse™NC2chartcardintothedisplay’scardreader.
2.SelectyourLightHouse™chartcardasyourcartographyfortheChartapp.
Fordetailsonchoosingyourcartographyreferto:Selectingachartcard
3.Enterthedistanceabovethebottomfaceofyourtransducertothe
waterlineinthe[Waterlinetotdcr:]settingfield.
4.Enablethe[RealBathy;]toggleswitch,locatedinthe[Depths]menu:
[Menu>Depths]
5.Selecttherelevant[Heightcorrection]option:
•[None]—Nocorrectionsaremade.
•[Tidal]—Usesnearbytidestationdatatocorrectheight.When[Tidal]
isselectedatidalstationsearchisperformedandalistofavailable
stationsisdisplayed.Selecttheclosesttidestationtoyourlocation.
•[Lakelevel]—Userspecifiedvalueusingthewaterlevelmarkerfor
yourlocation.
Note:
Toensureaccuratecontourdepthsitisrecommendedthat:
•intidalenvironments(e.g.:seasandoceans)youuseLightHouse™NC2
cartographythatincludestidestationinformationandselectthetide
stationclosesttoyourlocation,or
•infreshwaterenvironments(e.g.:lakes)select[Lakelevel]inthe[Height
correction:]fieldandthenenterthecurrentreadingfromthewaterlevel
markerforyourlocationintothefieldlocatedundertheheightcorrection
option.
6.Adjustthe[Visibility:]settingtothedesiredtransparency.
100%providesfullvisibilityoftheRealBathycontours,asthepercentage
decreasesthechartdetailbehindtheRealBathycontoursbecomesmore
visible.
7.Selecttherequired[Density:]setting.
Steepdrop-offscanresultinoverlappingcontourlines,loweringthe
densityinthesesituationsprovidesaclearerview.
7.7Reedsalmanac
TheReedsalmanacisavailableonforsupportedregionsofRaymarine
LightHousecharts.
TheReedssymbolsaredisplayedintheChartappwhenthe[Streets&POI]
layerisenabled:[Chartapp>Menu>Settings>Layers>Street&POI].
Chartapp
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