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454200/A
MeasuringtheoutputvoltagesfromthePX
MultiSensorCharger
Adefectivechargercandamagethesensorcausingitsbadperformance.Werecommend
thatyouuseonededicatedchargerforeachsensor.
TheoperationofthePXMultiSensorChargercanbeveriedbymeansofastandard
multimeter.
Procedure
1ConnectthechargertotheACmainspower.
2Useamultimetertochecktheoutputvoltage.
3Verifythevalueyougetisthesameastheoneshownontheproductslabel(around
15Vdc).
Relatedtopics
Troubleshooting,page36
Useandmaintenance,page23
Investigatingnoiseproblems
Whennoiseappearsinthesamefrequencyrangeasthesensorsareusingfortheir
communication,theresultinginformationmaybeunstableorunreadable.
Prerequisites
TheTV80hasbeensetupwithitshardwareunitsconnectedasspeciedbytherelevant
installationinstructions.
Context
TheTV80offersaspectrumanalyserthatshowsthesignalsfromeachhydrophone.The
graphintheSpectrumdialogboxprovidesyouwithinformationaboutthebackground
noiseandthesignalstrengthintheselectedfrequencyband.Withthisinformationyou
canidentifynoiseandndthe"cleanest"frequencies.Onthetopandbottompartsof
thegraph,thechannelidentierscorrespondtotherelevantreceiverchannel.Withthe
channelidentiersyoucaneasilyseeinwhichchannelsyouhavesignalsandnoise.
Thegraphplotsdatausinga16colourpalette.Redcolourcorrespondstothemaximum
valuedened,whileblueistheminimum.
•Theupperscale(PI)identiesthechannelsforthePIFamilyreceivers.
•Thebottomscale(SR)identiesthechannelsfortheSRFamilyreceivers.
SimradPXMultiSensorMk2InstructionManual