Simrad PI GEOMETRY - QUICK REFERENCE GUIDE REV B Manuale di Installazione Pagina 193

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On-boardmaintenance
TransceiverUniton-boardmaintenance
Observethefollowingon-boardmaintenanceinstructionsforthe
TransceiverUnit.
Ambienttemperatureandhumidity
Itisimportantthatthesonarroomiskeptdry.TheTransceiver
Unitmustnotbeexposedtoexcessivedustandhumidity,as
thiscancausecorrosiveattacksandsubsequentfailurestothe
electroniccircuitry.Visitthesonarroomatregularintervalsto
checktemperatureandhumidity,andtakethenecessaryactions
iftheenvironmentalconditionsarepoor.
TransceiverUnitcleaning
TheTransceiverUnitmustbekeptcleananddry.
1Removedustandsaltwaterresiduewithasoftcloth
moistenedinfreshwater.D
o n o t usestrongsolvents.
2CheckthattheTransceiverUnitisnotexposedtoexcessive
dustandvibrations.
TransceiverUnitfuses
TheTransceiverUnitisprovidedwiththefollowingfuses.
Figure47LocationofTransceiverUnitfuses
ALocationsofF1andF2undertheTransceiverUnitcabinet.
TheTransceiverUnitisfusedwithtwofuses.Botharelocated
underthecabinetnexttotheACmainssocket.Thefusesare:
F1:3,15A,Slowblow,5x20mm
F2:3,15A,Slowblow,5x20mm
323775/B
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