Simrad EK15 - Page 104

SimradEK15
4SetuptheEK15tostoretherawdatarecordedduringthecalibrationprocess.
Rawdatastorageisstrictlynotneeded,butitisagoodroutinetostorethem,and
theycanalsousedforlatercalibration.
→Savingechogramsequences(rawdata)onpage54
5Adjustthepositionofthecalibrationspheresothatislocatedascloseaspossibleto
thecentreoftheacousticbeam.
6ClicktheFishPositionicon.
TheiconislocatedontheTitleBar.ItisusedtoopentheFishPosition
informationpane.
TheFishPositioninformationpaneshowsthepositionwithinthebeam
ofthedetectedsingleechoesforthecurrentping.Theviewis“fromabove”.The
colourindicatestheechostrength.
→FishPositioninformationpaneonpage127
7Placethemousepointerinthe“bullseye”.
8Readthetargetstrength(TS)valueofthesphere,andwritedownthemaximum
valueafteraperiodofminimumoneminute.
9ClicktheActiveicon.
ThisiconislocatedundertheMainmenu.ItisusedtoopentheActive
menu.
→Activemenuonpage139
10ClicktheCalibrationbuttontoopentheCalibrationdialogbox.
ThepurposeoftheCalibrationdialogboxistoacceptthereferencetargetand
measuredtargetresultsfromthesystemcalibration.
→Calibrationdialogboxonpage220
11Typeinthereferencetargetstrength(TS)forthecalibrationsphereinuse.
Thisisaknownvaluetakenfromthedocumentationprovidedwiththesphere.
12Typeinthemeasuredtargetstrength(TS)fromyournotes.
13ClickOKtosavethecurrentsettingsandclosethedialogbox.
14SettheEK15toInactivemode,andthenbacktoNormal.
Thisisnecessaryforthecalibrationvaluestotakeeffect.
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