406388/B
21
Relatedtopics
Mainsystemunits,page19
Systemdiagram,page17
SR70ReceiverUnit
TheSR70ReceiverUnitcomprisesaruggedboxprovidingallnecessaryreceiverelectronics.
Thereceiverisdesignedforlownoise,anditcanhandleinputsignalsspanningaverylarge
instantaneousdynamicamplituderange.Alltargetsarecorrectlymeasuredanddisplayed.
Dependingonyourshingrequirements,youmay
needtoinstallmorethanonehydrophonetoreceive
theinformationfromthecatchsensors.Withasingle
channelreceiver,youmustmanuallyswitchbetweenthe
hydrophonestocheckwhichhydrophonethatprovidesthe
bestcommunication.TheSR70ReceiverUnitallowsyou
toconnectfourhydrophones.Thisallowssimultaneous
receptionwithoutanyneedofswitchesorsplitters.
TheSR70ReceiverUnitoperateson110to230V AC.AhighqualityEthernetcable
connectstheSR70ReceiverUnittotheProcessorUnit.ThedistancebetweentheProcessor
UnitandtheSR70ReceiverUnitcanbeextendeduptomaximum70meters.
Relatedtopics
Mainsystemunits,page19
Systemdiagram,page17
Hydrophone
Twohullmountedhydrophonesareavailable,oneforpurseseiningoperations,andonefor
trawloperations.Youcaninstallboth,andthenselectactivehydrophonebymeansof
aselectorboxonthebulkhead.Youcanalsoselecttheactivehydrophonesbymeansof
dedicateddialogboxesintheTV80.
Purseseinehydrophone
Thehullmountedhydrophoneforpurseseiningoperationshasa90degreeshorizontal
beamanda30degreesverticalbeamtoprovidethesystemwithoptimalreception
fromthesensorsonapurseseine.
Thisspecicbeampatternisespeciallysuitedforpurseseining.
Introduction