Raymarine E90W - Page 128

TuningmethodRelatedoptionsDescription
–AntennaBoost:scalestheeffectiveantenna
size.Atzero,theeffectiveantennasizematches
itsactualsize.At95%,theeffectiveantenna
sizeisdoubled.Increasingtheeffectiveantenna
sizeseparatestargetsthatappearmergedat
lowersettings.
–PowerBoost:adjustseffectivetransmitpower.
Atzero,theradaroperatesatitsstandardpower
(4kWor12kW).At90,theeffectivepoweris
increasedbyafactorofatleasttwo.Increasing
thepowermakestargetsmoredistinctfrom
noise.Formaximumbenet,reducepower
boosttopreventsaturationofstrongtargets.
EnhanceEchoesfunctions:
•Interferencerejection—thisfunctionminimizes
theeffectofinterferencefromotherradar-eqipped
vessels.
•Expansion—enablesyoutooverridethedefault
radarpulselength,providinglargertargetreturns.
•Wakes—enablesyoutoseethedirectionand
speedofmovingtargetsrelativetoyourvessel.
INT.REJECTION:
•ON—minimizestheeffectofinterferencefrom
otherradar-equippedvessels.
•OFF—allowsyoutodetectthepresenceofother
radarsinthevicinity.
EXPANSION:
•ON—increasesthepulselength.Thisprovides
largertargetreturns,makingthemeasiertosee.
However,largerreturnsmaydecreasetarget
resolution,andmergeonthedisplay.
•OFF—thisisthedefaultsetting.Itprovidesbetter
rangeresolution,givingyoumoredened(but
smaller)targetreturns.
WAKES:
•ON—showsthedirectionandspeedofmoving
targetsrelativetoyourvessel.Targetsare
Theenhanceechoesfunctionsenableyoutominimize
thenegativeeffectsofechoesontheradardisplay.
128E-SeriesWidescreenUserreference