Simrad ES80 - Removing Noise and False Echoes from the Echogram; Choosing the Colours Used to Present the Echograms

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Removingnoiseandfalseechoesfromtheechogram
ThePing-PingFilteranalysesthehistoricalinformationfrompreviousconsecutivepings
inordertoremoveunwantednoiseandinterferencefromtheES80presentation.
Context
Thefollowinglteroptionsareprovided.
•Off:Thelterisdisabled.Thehistoricalinformationfromprevioustransmissions
("pings")arenotusedtoremovenoiseandunwantedechoes.
•2of3:Forthecurrentechotobeshown,thesameechomustbepresentinatleast
twoofthepreviousthreepings.
•2of2:Forthecurrentechotobeshown,thesameechomustbepresentinbothof
theprevioustwopings.
•3of3:Forthecurrentechotobeshown,thesameechomustbepresentinallof
thepreviousthreepings.
Procedure
1OpentheActivemenu.
2LocatethePing-PingFilter.
3Choosetherequiredsetting.
4SelectApplytoAllifyouwishtousethechosensettingonalltheechogramsof
thesametype.
Choosingthecoloursusedtopresenttheechograms
Severaldifferentcolourscalesarepredenedandavailableforthepresentationof
echograms.Youcaneasilychoosewhichcolourstouse.Thepresentationcolourshave
noeffectontheoperationalperformanceoftheES80.TheColourSetupdialogbox
controlsthepresentationcoloursusedbytheES80.Thisincludesthepalette("skin"),the
numberofcoloursinuse,andthecolourscale.
Context
Whichcolourscaletouseismainlyapersonalpreferencebasedonambientlight
conditions,thenatureoftheechoesandyourownexperience.
Keepinmindthatinthebasicscalewith12colours,eachdiscretecolourrepresentsa
3dBrangeofechosignalstrength.Thisimpliesthatthenextcolourisselectedevery
timetheechostrengthisdoubled.
Operatingprocedures