48
442703/B
Theminimumrequirementsfortheuninterruptiblepowersupply(UPS)are:
•Inputvoltage:Theinputvoltagemusttvesselsupplyvoltage.
•Outputvoltage:230V AC,50Hz
•Outputpower:
–ProcessorUnit+Display:1000W
–TransceiverUnit:1500W
•Outputform:TheoutputACvoltagemustbeasinewave.
Relatedtopics
Installationrequirements,page47
Cablesandwiringrequirements
CorrectwiringiscrucialfortheoperationalperformanceoftheST90.
Allcablesrunningbetweensystemcabinetslocatedindifferentroomsand/orondifferent
decksmustbesupportedandprotectedalongtheirentirelengthsusingconduitsand/or
cabletrays.Notethatthecablesmustnotbeinstalledinthevicinityofhigh-power
suppliesandcables,antennacablesorotherpossiblesourcesofinterference.
Formoredetailedinformationaboutcablesandwiring,refertothebasiccable
requirements.
Relatedtopics
Installationrequirements,page47
Compassdeviationrequirements
ST90unitsthatareinstalledonthebridgemayhaveaneffectonthecompass.
Oncetheinstallationiscomplete,thevesselmustbeswungwiththeST90inboth
operativeandinoperativemodes.
Theshipownerandcaptainareresponsibleforupdatingthecompassdeviationtable
accordinglywithregardtothevessel’snationalregistryandcorrespondingmaritime
authority.
Relatedtopics
Installationrequirements,page47
SimradST90InstallationManual