Simrad SX90 - INSTALLATION REV C - Simrad Sx90 Fish Finding Sonar; Basic Information

SimradSX90Fishndingsonar
SIMRADSX90FISHFINDINGSONAR
StudythischaptertofamiliarizeyourselfwiththeSimradSX90
Fishndingsonarsystem.
Topics
•Basicinformationonpage13
•Mainunitsonpage14
•Installationprocedureonpage16
•Systemdiagramonpage18
•Scopeofsupplyonpage19
•Additionalrequireditemsonpage19
•Additionaloptionalitemsonpage21
•Generalsupplyconditionsonpage27
•Generalinstallationrequirementsonpage28
Relatedtopics
•Generalsafetyrulesonpage177
•Equipmenthandlingonpage178
•Basiccablerequirementsonpage214
Basicinformation
TheSimradSX90Fishndingsonarisalongrange
omnidirectionallowfrequencysonar.Itisdesignedformedium
andlargesizedshingvessels,preferablyforpurseseiners,butit
isalsowellsuitablefortrawlers.Thesonarallowsyoutochoose
anoperationalfrequencybetween20to30kHz(in1kHzsteps),
andthebeamcanbeelectronicallytiltedfrom+10to–60degrees.
Greatemphasishasbeenplacedongivingthebestpossible
presentationsonahighresolutioncolourdisplay.TheProcessor
UnitiscontrolledbyMicrosoft’sWindowsXP®operating
system,whichresultinaexiblechoiceofdisplaymodesfora
largerangeofuserapplications.
Thesignalprocessingandbeamformingisperformedinafast
digitalsignalprocessingsystemusingthefulldynamicrange
ofthesignals.Inadditiontothetraditionalsinglefrequency
transceiversystem,theSimradSX90Fishndingsonarcontains
anadvancedfrequencymodulatedltersystem(FM).
Thecylindricalmulti-elementtransducerallowsthe
omnidirectionalsonarbeamtobetiltedelectronicallydownto
-60degrees.Thisallowsyoutoautomaticallytrackschoolsof
sh,andtoobservethewholewatervolumearoundthevessel.
Astabilisingsystemisincludedforelectronicpitchandroll
compensation.
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