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Simrad SP90

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<strong>Simrad</strong> <strong>SP90</strong>3 SONAR OPERATING PANEL3.1 IntroductionYou may enter operational commands directly on the SonarOperating Panel. Sonar functions may also be accessed andactivated using the menu field on the display and the trackball onthe operating panel.Frequently used functions are directly accessed by the designatedcontrol buttons. These are grouped according to their purpose.SIMRADMAIN SW.SYMBOLMODEGAINRANGECURSORPOWERMode1GainH -GainH +RangeH -RangeH +Menu Select View ObjectUpMode2MiddleMode3GainV -GainV +RangeV -RangeV +DownMode4TILTVARIOUSTRAINManualZoomPositionTrackManualAutoRecordOffCentreTargetTrackAutoSearchSONAR OPERATING PANELFigure 6 Sonar Operating Panel(CD5377B)A thorough understanding of system functions and controls isnecessary to optimize overall performance. Sonar conditions vary,sometimes drastically, and it is not possible to identify settings thatwill provide the best data at all times. Careful study of theinformation in this manual is highly recommended, preferablywhile exploring the sonar’s various functions. System operation isa dynamic activity requiring regular adjustments and fine tuningto achieve the best possible results under varying environmentalconditions.3.2 The fieldsThe operating panel fields are described on the following pages.22 850-164511 / B

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