Raymarine LIGHTHOUSE 4 User Manual

Blanksectorscanbeenabled/disabledontheradaroverlayintheChart
app:[Chartapp>Settingsmenu>R
adarsettings]
FormoreinformationrefertoRadarsettings
20 .15Radarsensitivitycontrols
Optimumperformanceisusuallyachievedusingthedefaultsettings.Y ou
canadjusttheimageusingtheSensitivitycontrolstoimprovethedisplayed
image.
Sensitivitysettingscanbeaccessedusingtheonscreen
[Imageadjustment]icon,ortheAdjustsensitivitymenu
option:[Menu>Adjustsensitivity].
TheSensitivitycontrolsavailablearedependantupontheR adarscannerin
use.
ControlNameDescription
[‘
G’Gain]
Thecontroldeterminesthesignal
strengthatwhichtargetreturnsare
shownonscreen.
TheGaincontrolcanbesetto[Auto]or
[Manual].
Ahighervalueproducesmoretarget
returnsandnoiseonscreen.
[‘R
’Rain]
PrecipitationappearsontheRadar
screenaslotsofsmallechoeswhich
continuouslychangesize,intensityand
position.TheRaincontrolsuppresses
theseechoesmakingiteasiertoidentify
realobject.
ThehighertheRaincontrolissetthe
moreechoeswillbesuppressed.
[‘S’Sea]Radarechoesfromwavescanclutter
theRadarscreen.TheSeacontrol
suppressestheseechoes(forupto5
nmdependingonconditions)makingit
easiertoidentifyrealobjects.
ThehighertheSeacontrolissetthe
moreechoeswillbesuppressed.
[‘CG’ColorGain]Thecontrolsetsthelowerlimitforthe
colorusedforthestrongesttarget
returns.Alltargetreturnsabovethis
valuearedisplayedinthestrongest
color.Thosewithaweakervalueare
dividedequallybetweentheremaining
colors.
Thecontrolcanbesetto[Auto]or
[Manual].
[AlltoAuto]SetsallSensitivitysettingsto[Auto]with
0%offset.
R adarapp
299

Raymarine LIGHTHOUSE 4 Specifications

General

Operating System	LightHouse 4
Touchscreen	Yes
Connectivity	NMEA2000, Ethernet, Wi-Fi
Chart Compatibility	Navionics, C-MAP
Display Size	Varies by model (e.g., 7", 9", 12", 16")
Display Resolution	Varies by model
Networking	Ethernet, Wi-Fi
GPS	Built-in
Radar Support	Yes, compatible with Raymarine radars
Sonar Support	Yes
Autopilot Integration	Yes, compatible with Raymarine autopilot systems
Weather Data	Yes, via internet
Software Updates	Via Wi-Fi