4476671/B
Aboutinstallationdrawings..................................................................................................47
Tools,equipmentandconsumablesrequiredforinstallation................................................48
Personnelqualications........................................................................................................48
Rulesfortransducerhandling...............................................................................................49
Choosingthebestlocationforthehullunit..........................................................................51
Aboutthehullunitlocation.........................................................................................51
Deningtheforeandaftlocationofthehullunit.......................................................52
Deningtheathwartshipslocationofthehullunit.....................................................53
Installationwithmorethanonehullunit.....................................................................53
Installationclosetoechosoundertransducer(s)..........................................................54
Importantconsiderationsrelatedtonoise....................................................................55
Locationofhardwareunitsonthebridge.............................................................................56
Basicrequirementsforthelocationofbridgeunits....................................................56
Maximumdistancebetweeneachbridgeunit.............................................................57
Choosingthebestlocationforthedisplay..................................................................59
ChoosingthebestlocationfortheProcessorUnit......................................................59
ChoosingthebestlocationfortheOperatingPanel....................................................60
Sonarroomrequirements......................................................................................................62
Aboutthesonarroom..................................................................................................62
Environmentalrequirements.......................................................................................62
Requirementsforwatertightintegrity.........................................................................63
Sizeandaccessrequirements......................................................................................64
Requirementsforinsulation,heatingandventilation..................................................65
Requirementsforelectricalinstallations,cablesandcommunication........................66
Requirementsforbilgepumpanddecking..................................................................67
Liftingrequirements....................................................................................................67
Acousticnoise.......................................................................................................................68
Introductiontotheacousticnoisechallenge...............................................................68
Contributingfactors.....................................................................................................68
Selfnoise.....................................................................................................................70
Ambientnoise..............................................................................................................73
Electricalselfnoise.....................................................................................................73
Reverberation..............................................................................................................74
Somemeanstoreduceacousticnoise.........................................................................75
MOUNTINGTHEINSTALLATIONTRUNK.....................................78
Abouttheinstallationtrunk..................................................................................................79
O-ring/Rubbergasket..................................................................................................80
SimradMF90
