Simrad ST90 Harbour Acceptance Test

442729/A
29
TestingtheST90operational
functionality
Topics
Checkingthetransducerlowerandhoistfunctionality,page29
Testingtheuserinterfacetoverifybasicfunctionality,page34
CheckingtheST90operationbymeansoftheBITEfunctionality,page35
Checkingthetransducerlowerandhoist
functionality
ThehullunitprovidedwiththeST90isdesignedtolowerthetransducerdownbelowthe
ship’shullwhentheST90shallbeused.ThisisakeyfunctionalityoftheST90.Itisvery
importantthatthehoist/lowerfunctionistestedbeforetheST90isputtooperationaluse.
Inordertotestthelowerandhoistfunctionalityofthehullunit,twotasksmustbedone
simultaneously.Twopersonsarerequired.
•OnepersonmuststayonthebridgeinordertooperatetheST90.
•OnepersonmuststayinthesonarroomtoverifythattheTransceiverUnitstarts,and
thatthehullunitworksproperly.
Certainstepsinthetwoproceduresarelocationspecic.
•Thestepsmarked[Sonarroom]aredoneinthesonarroom.
•Thestepsmarked[Bridge]aredoneonthebridge.
TestingtheST90operationalfunctionality

Simrad ST90 Specifications

General

Brand	Simrad
Model	ST90
Category	Sonar
Language	English