Simrad SU90 User Manual

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381291/C
Transmittingwithxed-timeintervals...................................................................52
Adjustingtheoutputpowertomatchvaryingconditions......................................53
Selectingthebestoperatingfrequency...................................................................54
Controllingthegainandrangesettings...........................................................................56
Adjustingthegain(echosensitivity)......................................................................56
AdjustingtheTVG(TimeVariableGain)setting..................................................58
Adjustingthesonarrange.......................................................................................58
Adjustingtheintensityoftheechopresentations...................................................60
Changingthetilt.....................................................................................................60
Adjustingthebearing.............................................................................................62
Usingthemarkersandtrackingfeatures..........................................................................64
Startingapositiontrack..........................................................................................64
Startingatargettrack..............................................................................................65
Placinganewmarker.............................................................................................66
Deletingamarker...................................................................................................67
Measuringthesizeofaschoolrelativetothepurseseine.....................................68
Usingvisualaidsduringthepurseseinecatchphase.............................................68
Choosingtheshinggearinuse.............................................................................70
Changingtheshinggearpropertiestomatchyourownequipment.....................71
Improvingtherecognitionofshandschoolsusingreceiverlters...............................72
AboutthereceiverltersequenceintheSU90......................................................72
ReducingnoiseandreverberationwiththeAGC(AutomaticGainControl)
function..............................................................................................................73
ReducingpropellernoiseandinterferencewiththeNoiseFilter...........................74
ReducingbottomandsurfacereverberationwiththeRCG(Reverberation
ControlledGain)function..................................................................................75
ReducingnoiseandfalseechoeswiththePing-PingFilter...................................77
ReducingnoiseandreverberationwiththeAGC(AutomaticGainControl)
function..............................................................................................................78
Adjustingtheintensityoftheechopresentations...................................................79
Recordingandreplayingechodata..................................................................................80
Deningtheleandfoldersettingsfordatarecording..........................................80
Recordingechodata...............................................................................................81
SelectingReplaymode...........................................................................................82
Choosingwhichechodatale(s)toreplay............................................................84
Accessingtheechodatalestodelete,moveorcopythem..................................85
Settinguppresentationmodesandviews........................................................................86
Movingaviewtoanotherdisplay..........................................................................86
RearrangingthelayoutoftheSU90presentation..................................................87
Restoringthelocationsandsizesoftheviews.......................................................88
Deningsettingsrelatedtouserpreferencesandindividualcustomizing.......................89
SimradSU90

Simrad SU90 Specifications

General

Brand	Simrad
Model	SU90
Category	Sonar
Language	English