Raymarine e7 - 9.9 Radar adjustments: non-HD digital radomes

9.9Radaradjustments:non-HDdigitalradomes
Youcanusethegainpresetsandotherfunctionstoimprovethequalityoftheradarpicture.
Thefollowingsettingsapplytonon-HDdigitalradomesandare
availablefromtheRadarmenu:
MenuItemDescriptionOptions
Rain
Theradarscannerdetectsechoesfromrainor
snow.Theseechoesappearonscreenascountless
smallechoescontinuouslychangingsize,intensity
andposition.TurningtherainclutterfunctionOn
suppressesthebulkeffectofrainreturnsfromaround
yourvessel,makingiteasiertorecognizeother
objects.Youcanadjusttheintensityofthissetting
between0and100%.
•On—enablestheRainfunctionandallowsyouto
adjustthesettingbetween0and100%.
•Off—disablestheRainfunction.Thisisthe
default.
AdjustGainEnablesyoutoadjustthesensitivityoftheradar
reception.Insomesituations,adjustingthesensitivity
mayimprovetheclarityoftheradarpicture.The
followingsettingsareavailable:
•Gain
•FTC—Enablesyoutoremoveareasofclutterat
adistancefromyourvessel.Italsohelpsyouto
distinguishbetweentwoverycloseechoesonthe
samebearing,whichmayotherwisemergeand
appearasoneecho.Youcanadjusttheintensity
oftheFTCfunctionbetween0and100%:
–Ahighersettingshowsonlytheleadingedgeof
large(rainclutter)echoes,whiletheeffecton
smaller(ship)echoesisonlyslight.
–Alowersettingreducesbackgroundnoiseand
ll-inreturnsfromlandandotherlargetargets.
•Sea—Enableyoutoquicklyselectpre-congured
settingstoachievethebestpictureindifferent
Gain
•Auto—thepresetoperatesinautomaticmode.
Thisisthedefault.
•Man—allowsyoutomanuallyadjusttheintensity
ofthegain,from0to100%.
FTC
•On—enablestheFTCfunctionandallowsyouto
adjustthesettingbetween0and100%.
•Off—disablestheFTCfunction.Thisisthe
default.
Sea
•Auto—thepresetoperatesinautomaticmode.
Thisisthedefault.
•Man—allowsyoutomanuallyadjusttheintensity
oftheseagain,from0to100%.
AutoSeaMode
Usingradar
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