
SimradSH90
Bearing(Vertical)
Dialogdescription
TheBearing(Vertical)parameterdialogopenswhenyouclickthe
BearingbuttonintheVerticalandVertical180menus.
Thisdialogallowsyoutotraintheaudiochannelbearing
manually.Thebearingoftheaudiochannelisnormally
controlledwiththeTrainbuttonsontheOperatingPanel.The
bearingoftheverticalslice,whichispresentedbythewhite
audiolineinthehorizontalpicture,mayalsobetrainedbythe
BearingbuttonintheHorizontalmenu.
FormoreinformationabouttheTrainbuttons,see’Train’eld
onpage88.
Bearing(Vertical)dialogoptions
•+(plus):Allowsyoutoincreasethebearingangle.
•–(minus):Allowsyoutodecreasethebearingangle.
•Close:Clicktoclosetheparameterdialog.
•Help:Clicktoaccesstheon-linehelp.
Relatedtopics
•Verticalmenuonpage95
•Vertical180menuonpage96
ColourThreshold
Dialogdescription
TheColourThresholdparameterdialogopenswhenyouclickthe
ColourThresholdbuttonintheDisplaymenu.
Thisfunctionisusedtoreducethenumberofechocoloursonthe
display.Thestrengthoftheechoesisindicatedwithascaleof
16or64colours.Aweakechohasacoldcolour(blue),medium
echoeshavewarmercolours(green,yellow)andstrongechoes
areshownwiththewarmestcolours(orange,red).Ifdesired,
thenumberofcoloursmaybereduced.Whenyoudothis,the
sonarwillstartwiththecolourindicatingtheweakestechoes.
Therefore,byreducingcolours,themaximumdetectionrange
willbereduced,becauseallechoeswillnormallyappearasweak
echoesatlongranges.
Theselectedcolourthresholdisreectedinthecolourbarin
theDisplaymenu.
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