Installation manual

Operationalprocedures
Duringspecialoperationswhereextremerangeisrequired,andtheinterference
sourcesareminor,theparametermaybesetto8.Ifinterferenceispresent,the
parametercanbyincreaseduptomaximum14.
•15to20:Byincreasingtheparametervalue,thethresholdlevelisdecreased.
ThisisthemainparameterrangetobeusedwiththePI50.
Thedefaultvalueforthedetectionthresholdis17.
4ClickOKtosavethecurrentsettingsandclosethedialog.
Howtoghtinterference
Interferenceisnormallyidentiedinthesensorviewsbyreadings“jumping”upand
down,anddeviatingfromtheirexpectedvalues.Sometimesyoumayevenbeprovided
withsteadyreadingsthatareobviouslywrong.
Toghtthisdisturbance,youcanadjusttheDetectionThreshold(DT)parameterprovided
bytheReceiverdialog.
1ClicktheSetupiconundertheMainmenutoopentheSetupmenu.
→Setupmenuonpage112
2ClickReceivertoopentheReceiverdialog.
3AdjusttheleveloftheDetectionThreshold(DT).
aMakesurethattheInterferenceFilterisswitchedoff.
bFornormalrangesuptoapproximately1500meters:
Ifyouexperiencepoorreceptionwiththesensorsinthesea,trytoincrease
thedetectionthresholduntilthedatareceptionappearscompletelyrandom.
Then,decreasetheparameteruntilyouhavestabledatareception.Ifyouhave
interferenceproblemswhilenosensorshavebeendeployed,trytodecreasethe
detectionthresholduntilyouhaveastabledatareception.
cForlongrangesaboveapproximately1500meters:
Initially,usethesamestrategyasfornormalrange.However,ifthoseactions
arenotenoughtoprovidestablereadings,trytosetthedetectionthreshold
to8.Ifyourvessel’sselfnoiseandinterferenceislowerthannormal,you
mayachievearangeenhancementbyusingthisvalue.Ifinterferencecause
problems,trytoincreasethedetectionthresholdvalueuntiltheinterference
disappears,whilestillabletoreceivedatafromthesensors.
4ClickOKtosavethecurrentsettingsandclosethedialog.
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