300
406273/C
•BottomDetection
LocatingthebottomisimportantfortheES80.ThepurposeoftheBottomDetection
parametersaretodenetheupperandlowerdepthlimitsmostlikelytobeused
duringtheES80operation.YoucanalsomodifythesettingforBottomBackstepto
changethebottomdetectionrelativetothebottomecho.
BottomDetectiondialogbox,page430
•InformationPaneOptions
TheES80offersseveralinformationpanestoprovideadditionalanddetaileddata
fromtheES80presentation.Theinformationpanesareopenedandclosedusingthe
buttonsonthetopbar.SeveraloftheinformationpanesarettedwithaSetupbutton.
SelectSetuptoopentheInformationPaneOptionsdialogbox.TheInformationPane
Optionsdialogboxallowsyoutochangetheoperationalparametersusedtopresent
thedataintheinformationpanes.
InformationPaneOptionsdialogbox,page433
Thefollowingpagesareprovided.
–BottomDetection
LocatingthebottomisimportantfortheES80.ThepurposeoftheBottom
Detectionparametersaretodenetheupperandlowerdepthlimitsmostlikelyto
beusedduringtheES80operation.YoucanalsomodifythesettingforBottom
Backsteptochangethebottomdetectionrelativetothebottomecho.
BottomDetectiondialogbox,page430
–CalculationInterval
TheCalculationIntervalsettingsdenetheparametersthatareusedtocalculatethe
biomassandthesizedistribution.Youcanbasethecalculationsonsaileddistance,
elapsedtime,oraportionoftheechogramview.
TheCalculationIntervalparameterscanaccessedfromtwoplacesintheES80
userinterface.
CalculationIntervaldialogbox,page344
–ColourScale
ThecolourscalesusedbytheES80aredesignedtoreectthehowstrongthe
echoesare.Theechostrengthismeasuredindecibels(dB).Inthebasiccolour
scalewith12colours,eachcolourrepresentsa3dBstep.Thismeansthatthe
entirescalecovers36dB.ThedynamicrangeoftheES80ismuchlarger.The
ColourScaleparametersallowyoutochangethelowerlimitofcolourscalerange
tomatchthecurrentechoes.
ColourScalepage,page434
SimradES80ReferenceManual