24
442703/B
TheProcessorUnitisdesignedforruggedmaritimeuse.Ithasbeencustomizedby
KongsbergMaritime.Exceptfromthefans,itcontainsnomovingparts.Thecomputer
isbasedonacommercialdesign,butthesoftwareandhardwarehavebeenspecied
byKongsbergMaritimetosuittheST90requirements.TheProcessorUnitcabinetis
placedonshockabsorbers.
TheProcessorUnitisbasedontheMicrosoft
®
Windows®10operatingsystem.
ThecomputeroffersmultipleUSBportsforusewithfuturesoftwareupgrades.These
USBportsalsoallowyoutoexportscreencapturesfromtheST90.
Note
TheoperatingsystemhasbeenmodiedtomakethecomputerworkwiththeST90.
ThesemodicationsincluderemovalofallsafetyfeaturesprovidedbyMicrosoft
®
.The
built-inrewallandallvirusprotectionfeatureshavebeenremoved.Anyattemptto
usethecomputerforanyotherpurposesthanST90operation,suchasgames,desktop
applicationsandInternetconnection,mayresultinseriousdamagetotheprogram.Such
damagesarenotcoveredbythewarranty.
Relatedtopics
Systemunits,page23
Scopeofsupply,page32
InstallingtheEnixProcessorUnit,page148
Technicalspecications,page388
385609ProcessorUnitdimensions,page409
TransceiverUnitdescription
TheST90TransceiverUnitisprovidedtotransmitacousticenergythroughwater.This
transmissionandreceptionarecommonlyreferredtoasaping.Aftereachtransmission,
thetransceiverreceivestheechoesfromthetargetsinthewaterand/ortheseabed.These
echoesarelteredandampliedandthenconvertedintodigitalformat.
TheST90TransceiverUnitisnormallylocatedin
thesonarroom.Itismountedonthebulkheadusing
powerfulshockabsorbers.Thephysicaldistanceto
thehullunitislimitedbythelengthofthetransducer
cables.
TheTransceiverUnitcontrolsthetransmissionand
receptionmadebythe384transmittersand384
receiverchannels.12identicaltransceiverboards
areused.TheTransceiverUnitalsoholdsanEthernet
switchandalargecapacitorbank.Aninternalpower
supplyisprovidedtosupplytherequiredDCvoltages
totheTransceiverUnit.
SimradST90InstallationManual