Simrad ES80 - Page 245

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Description
TheSchoolResponseinformationpaneisaplot.
Itshowsthehowechostrengthforagroupof
targets(forexampleaschoolofsh)changes
withtheoperationalfrequency.Thepaneallows
youtoidentifythenatureoftheschools,and
discriminatebetweenthem.
Scienticresearchhasproventhatthevariationin
echostrengthbetweenechosounderfrequencies
isdifferentbetweenspecies.Somespecies
areeasytorecognizeusingahigherfrequency,
whileothersaremoreeasilydetectedusingalow
frequency.Bymeansofthisinformationpane,
youcaninvestigatehowtheechoesfromthe
sheschangeswithdifferentfrequencies.
Wedonothaveananswerbookforthis.You
needtobuildyouownknowledgeandexperience
basedonthespeciesyounormallyshfor.
Bydefault,youhavetwoechogramsforeach
frequencychannel.Thepresentationissplithorizontallytoshowtheseechograms.The
informationpaneprovidesinformationaboutitssource,thatisfromwhichechogramthe
datacomesfrom.Thefollowingsourcescanbeshown:
•Source:LowerEchogram
•Source:UpperEchogram
•Source:Zoom
Beforeyouopenaninformationpane,youmustrstclickinanechogramviewto
makeit"active".Bydoingthisyouselectthechannel.Inmostcases,thedatainthe
informationpaneisonlyvalidfortheselectedchannel.Inthiscontext,thephrase
channelisusedasacommontermtoidentifythecombinationoftransceiver,transducer
andoperatingfrequency.
Youcaneasilychangethephysicalsizeandshapeofeachinformationpane.
Clickinitslowerrightcorner,anddragtoanewsize.Toresettheinformation
panetoitsdefaultsize,selecttheResetsizebuttoninitstoprightcorner.
TheTransparencyfunctionallowsyoutoadjusthowmuchyouareabletosee"through"
theinformationpanesyouhaveopened.Youcanadjustthesettingfrom0%(no
transparency)to90%(almostfulltransparency)instepsof10%.
Userinterface