Simrad PI HBU - REV A User manual

Instruction manual
Simrad PI HBU
Hydrophone Booster Unit
TECHNOLOGY FOR SUSTAINABLE FISHERIES
www.simrad.com

SimradPIHBU
HydrophoneBoosterUnit
InstructionManual
ThisdocumentallowsyoutoinstallandputtousethePI
HBU(HydrophoneBoosterUnit).
326153/A
08January2008

Documenthistory
Documentnumber:326153
Rev.A8January2006Firstversion.
Copyright
©2008KongsbergMaritimeAS
TheinformationcontainedinthisdocumentremainsthesolepropertyofKongsbergMaritimeAS.Nopart
ofthisdocumentmaybecopiedorreproducedinanyformorbyanymeans,andtheinformationcontained
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MaritimeAS.Thedocument,oranypartofit,maynotbetranslatedtoanyotherlanguagewithoutthe
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KongsbergMaritimeASendeavourstoensurethatallinformationinthisdocumentiscorrectandfairly
stated,butdoesnotacceptliabilityforanyerrorsoromissions.
Warning
Theequipmenttowhichthismanualappliesmustonlybeusedforthepurposeforwhichit
wasdesigned.Improperuseormaintenancemaycausedamagetotheequipmentand/orinjury
topersonnel.Theusermustbefamiliarwiththecontentsoftheappropriatemanualsbefore
attemptingtoinstall,operateorworkontheequipment.
KongsbergMaritimeASdisclaimsanyresponsibilityfordamageorinjurycausedbyimproper
installation,useormaintenanceoftheequipment.
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InstructionManual
Tableofcontents
ABOUT..............................................................................5
PIHBU(HYDROPHONEBOOSTERUNIT)...........................6
RECOMMENDEDPARAMETERSETTINGS............................7
SimradPI32..............................................................................................................7
SimradPI44andPI54...............................................................................................7
INSTALLATION.................................................................9
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SimradPIHBU
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About
ABOUT
ThisdocumentallowsyoutoinstallandputtousethePIHBU
(HydrophoneBoosterUnit).
Figure1PIHBU(HydrophoneBoosterUnit)
Figure2CommercialpowersupplyprovidedwiththePIHBU
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SimradPIHBU
PIHBU(HYDROPHONEBOOSTERUNIT)
ThePIHBU(HydrophoneBoosterUnit)isasmallandcompact
unitprovidingamplicationfortheweaksignalsfromthePI
hydrophone.ItisconnectedbetweenthehydrophoneandthePI
cabinet.ThePIHBUispoweredbyaseparatepowersupply.
Prerequisitesforuse
InordertousethePIHBUyourPIreceivermustoperatewith
thefollowingsoftwareversion:
•PI32:Notapplicable
•PI44:DSP(DigitalSignalProcessor)version1.11(orlater)
withMMIversion0.50(orlater).
•PI54:DSP(DigitalSignalProcessor)version1.11(orlater)
withMMIversion0.50(orlater).
WhyusethePIHBU
OnthePI44andPI54systems,softwarerelease1.08providedan
increasedrangecapability.ByusingthePIHBU(Hydrophone
BoosterUnit)aswellthesystemswillofferadditionalrange,
andtheywillbemoretolerantfornoise.OnPI32systems,the
PIHBU(HydrophoneBoosterUnit)willalsoprovideincreased
rangecapability.
Whyn
o t usethePIHBU
ForthemajorityofPIusersexperiencingadequateperformance,
andwithnoneedtoincreasetherangecapability,thePIHBU
(HydrophoneBoosterUnit)willnotberequired.
WhentousethePIHBU
ThePIHBU(HydrophoneBoosterUnit)isrecommendedif
thereceptionofthePIsystemisclutteredwithnoisefrom
interference,orwithnoisefromotheracousticsystemsonthe
vessel,suchassonars,echosoundersorlogs.ThePIHBU
(HydrophoneBoosterUnit)mayalsoproveusefulifyou
experiencenoisefromthevesselpropellers.
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Recommendedparametersettings
RECOMMENDEDPARAMETERSETTINGS
WhenthePIHBU(HydrophoneBoosterUnit)isputtouse,the
recommendedparametersettingsarechanged.
SimradPI32
ThefollowingReceiversetupparametersarerecommendedwhen
thePIHBU(HydrophoneBoosterUnit)isputtouse.
•Interferencelter:OFF
–SwitchONifinterferenceisstillaproblem.Asan
alternative,youmaykeepthelterOFF,andincreasethe
Detectionthreshold(DT)settinginstepsof2dBuntilthe
interferencedisappears.
•Interferencelterlevel:9
–IfyouswitchtheinterferencelterON,youmaychange
thelevelto8.
•AGC:OFF
•Manualgain:20dB
•Maxshootingspeed:1kn
–Inordertomaintainbestpossiblereceptionduringthe
shootingyoumayincreasethissettingto5kn.
•Detectionthreshold(DT):8dB
Theothersettingsarenotimportant.
Figure3PI30ReceiverSetup,example
SimradPI44andPI54
WhenthePIHBU(HydrophoneBoosterUnit)isputtouse,the
recommendedparametersettingsarechanged.
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SimradPIHBU
•Interferencelter:OFF
–SwitchONifinterferenceisstillaproblem.Asan
alternative,youmaykeepthelterOFF,andincreasethe
Detectionthreshold(DT)settinginstepsof2dBuntilthe
interferencedisappears.
•Interferencelterlevel:8
–IfyouswitchtheinterferencelterON,youmaychange
thelevelto7.
•Sensorlter:LIGHT
•Catch/Bottomsensorlter:LIGHT
•AGC:OFF
•Manualgain:20dB
•Multipathlter:OFF
–IfyouusethePIGeometrysensor,thisltermustbeON.
•Detectionthreshold(DT):8dB
•Maxshootingspeed:1kn
–Inordertomaintainbestpossiblereceptionduringthe
shootingyoumayincreasethissettingto5kn.
Theothersettingsarenotimportant.
Figure4PI44/54ReceiverSetup,example
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