Instruction manual

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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