Simrad EK15 - Checking the Colour Scale Settings

Gettingstarted
3SetMinimumDepthandMaximumDepthtovaluestforthedepthatyourcurrent
location.
Note
Ifyousetmaximumdepthtoavalueidenticalorsmallerthantheminimumvalue,
thebottomdetectionalgorithmwillbedisabled.TheEK15willthennotbeableto
detectthebottomatall,andthedisplayeddepthwillbe0.00m
4ClickOKtosavethecurrentsettingsandclosethedialogbox.
Checkingthecolourscalesettings
Purpose
Thisprocedureexplainshowyoucanchangethecolourscalecurrentlyusedforthe
EK15presentation.
Description
Whichcolourscaletouseismainlyapersonalpreferencebasedonambientlight
conditions,thenatureoftheechoesandyourownexperience.
Keepinmindthatinthebasicscalewith12colours,eachdiscretecolourrepresentsa
3dBrangeofechosignalstrength.Thisimpliesthatthenextcolourisselectedevery
timetheechostrengthisdoubled.
However,asthenumberofcolourscandiffer,anddedicatedcolourschemescanbeused,
thisisnotnecessarilycorrect.AhighnumericTVGvaluedisplaysweakechosignals
properlywhilethestrongersignalssaturateintothedarkercolours.Alownumericvalue
displaysstrongechosignalsproperly.Weaksignalsbelowthelowerlimitofthecolour
scalearenotdisplayed(thedisplaybackgroundcolourisused).
Ifyouchoosetousemanycolours,theresolutionoftheEK15presentationisgreatly
improved.Itistheneasiertodistinguishthedifferencebetweenthevariousechoesof
differentsizeand/ortargetstrength.
Relatedtopics
•Changingthecolourscaletoremovetheweakestechoesonpage28
•ColourScaleinformationpaneonpage126
•Displaymenuonpage137
•ColourSetupdialogboxonpage160
Procedure
1ClicktheColourScaleicon.
ThisiconislocatedontheTitleBar.ItisusedtoopentheColourScale
informationpane.
2Observethatthecurrentcolourscaleisshown.
Tochangethenumberofcoloursinthecolourscale,seethededicatedprocedure.
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