Raymarine LIGHTHOUSE 3 - 12.13 Radar sensitivity controls

12. 13Radarsensitivitycontrols
Optimumperformanceisusuallyachievedusingthedefaultsettings.Y oucanadjusttheimageusing
theSensitivitycontrolstoimprovethedisplayedimage.
Sensitivitysettingscanbeaccessedusingtheonscreen Imageadjustment
icon,ortheAdjustsensitivitymenuoption:Menu>Adjustsensitivity.
TheSensitivitycontrolsavailablearedependantupontheR adarscannerinuse.
ControlNameDescription
‘G’Gain
Thecontroldeterminesthesignalstrengthatwhich
targetreturnsareshownonscreen.
TheGaincontrolcanbesetto
Autoor Manual.
Ahighervalueproducesmoretargetreturnsand
noiseonscreen.
‘R’Rain
PrecipitationappearsontheRadarscreenaslots
ofsmallechoeswhichcontinuouslychangesize,
intensityandposition.TheRaincontrolsuppresses
theseechoesmakingiteasiertoidentifyrealobject.
ThehighertheRaincontrolissetthemoreechoes
willbesuppressed.
284