Installation manual

Table Of Contents
SimradSH90
Zoom.......................................................................................................176
ZoomScale..............................................................................................177
BASICTHEORY..............................................................178
Settings.................................................................................................................178
WhatisTVG?..........................................................................................178
WhatisAGC?..........................................................................................179
WhatisthePPFilter?................................................................................179
Aboutpulseformandlength......................................................................179
Aboutbeamwidths...................................................................................180
AboutGain...............................................................................................180
WhatisRCG?..........................................................................................181
Abouttilt..................................................................................................181
Noiseandreverberation........................................................................................182
Cavitation.................................................................................................182
Reverberation...........................................................................................183
Blocking..................................................................................................184
Checkthenoiseyourself!..........................................................................184
Layersanddeections..........................................................................................185
Temperatureandsalinitylayers..................................................................185
Deections...............................................................................................186
ON-BOARDMAINTENANCE............................................187
Preventivemaintenanceschedule.........................................................................188
Regularormonthlybasis...........................................................................188
Everythreemonths...................................................................................188
Whenindrydock.....................................................................................189
Afterdrydocking......................................................................................189
Wheneverrequired....................................................................................189
Wheelhouseunitson-boardmaintenance.............................................................190
Colourdisplayon-boardmaintenance........................................................190
ProcessorUniton-boardmaintenance........................................................190
OperatingPanelon-boardmaintenance......................................................190
TransceiverUniton-boardmaintenance...............................................................191
Ambienttemperatureandhumidity............................................................191
TransceiverUnitcleaning..........................................................................191
TransceiverUnitfuses...............................................................................191
TransceiverUnitHeatExchanger...............................................................192
TransceiverUnitserviceableparts..............................................................192
PowerSupplyUnitmaintenance..........................................................................193
PowerSupplyUnitcleaning......................................................................193
PowerSupplyUnitserviceableparts..........................................................193
PowerSupplyUnitfuses...........................................................................193
HullUnitmaintenance..........................................................................................194
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323775/B