2.Highlightandselecteachcalibrationspeedtodisplaythe
calibrationoptionsmenu,whichwillshowthefollowingoptions:
•AddusingSOG—T oaddaspeedvaluetothelistof
calibrationspeeds.
•Add—Toaddaspeedvaluetothelistofcalibrationspeeds
withoutusingSOG.
•Deletepoint—Toremoveaspeedvaluefromthelistof
calibrationspeeds.
•Edit—T oeditaspeedvalueinthelistofcalibrationspeeds.
•Reset—Toresetthecalibrationtoitsfactorydefault.
3.AddusingSOG.
Whenaddingapointyouwillseethefollowing:
•Currentvesselspeedoverground(SOG).
•DSTFrequency(providedforinformationonly).
i.AdjustyourvesselspeeduntiltheSOGisatthedesired
calibrationspeed.
ii.PressOKtoconrmthecalibrationspeedentry.
iii.Repeatthisforeachcalibrationspeedappropriateforyour
vessel.
4.Add
i.UsetheUPandDOWNbuttonstosetthepaddlewheel
frequencyatwhichtoaddacalibrationpoint.
ii.PressNEXT.
iii.UsetheUPandDOWNbuttonstosetthecorrectvessel
speedatthepaddlewheelfrequencychosen.
iv.PressOK.
5.Deletepoint
i.PressYEStoconrmanddeletetheselectedspeed.
ii.PressNOtoignoreanychangesandreturntothelistof
calibrationspeeds.
6.Edit.
i.UsetheUPandDOWNbuttonstoadjustthecurrentspeed
value.
ii.PressSELECTtoconrmchangeandreturntothelistof
calibrationspeeds.
7.Reset
i.InordertoresettheDSTtofactorydefaultsettingspress
theYESkey.
ii.Toreturntothepreviousscreenwithoutresettingpressthe
NO.
Note:Resettingtofactorydefaultswillremoveanysavedcustom
settings.
8.Whenyouhavecompletedthespeedcalibration,pressBACKto
returntherelevanttransducerpage
Calibratingspeedmanually
YouonlyneedtocarryoutamanualspeedcalibrationifSOGdata
isnotavailable.Ifyouhavesuccessfullycalibratedyoursystem
usingSOGdata,ignorethismanualprocedure.
1.FromtheTransducersfoundpagehighlightandselectthe
relevantconventionalorsmarttransducer.
2.HighlightandselectSpeedCalibration.
Youwillseevariouscalibrationspeedsprovidedbythesystem
(upto5forconventionaltransducersandupto8forsmart
transducers).
3.Youwillneedtocalibrateeachcalibrationspeed,startingwith
thelowest,highlightthecalibrationspeedandpressSELECT.
4.Incalmconditionswithzerotideandzerocurrent,runyour
vesselatasteadyspeed,approximatelythatoftheselected
calibrationspeed,overameasureddistance,makinganoteof:
•Thecurrentspeedvalue.
•Thetimeittakestocoverthemeasureddistance.
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i70InstrumentdisplayInstallationinstructions
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