Simrad SP90

Operator manualUnits .................................................. 140User Setting ............................................. 142Wind Direction .......................................... 143Wind Speed ............................................. 144Zoom .................................................. 145Zoom Scale ............................................. 1467 ON-BOARD MAINTENANCE .............................. 1477.1 Introduction .............................................. 1477.2 Wheelhouse units ......................................... 148Cleaning ............................................... 148Dust filter .............................................. 1487.3 Transceiver Unit .......................................... 149Dust filter .............................................. 149Replacing fuses .......................................... 1497.4 Hull unit ................................................ 150General ................................................ 150Docking the vessel ....................................... 151Cleaning the transducer .................................... 152Motor overload switch .................................... 152Hoisting and lowering the transducer from the Sonar Room ....... 152Air bleeding ............................................. 153Lubrication of the Hull Unit ................................ 154850-164511 / BVII