Operationalprocedures
cMakethenecessaryadjustments.
dClickOKtosavethecurrentsettingsandclosethedialog.
Adjustingtheshlengthforcorrectcalculations
TheES70measuresandrecordsthetargetstrength(TS).Theresearchersatthe
NorwegianInstituteforFisheryResearchhavecompiledasetofalgorithmsbasedon
extensivetestingwiththevariousspecies,andtheseareusedbytheES70tocalculatethe
lengthoftheshbasedonitstargetstrength.However,thetargetstrengthdiffersbetween
thevariousspecies.Ifyoundoutthatthelengthoftheshyouhavecaughtdiffers
fromtheinitialpresentation,youcanadjustthealgorithmsusedtocalculatethelength.
Note
Payspecialattentiontomackerel,asthisshhasaverylowtargetstrength.Mackerel
canoftenbemistakenforsmallbait.Ifyoushformackerel,werecommendthatyou
use120kHzor200kHzechosounderfrequencies,asthemackerelshowslargestecho
strengthforthesefrequencies.
1ClicktheSetupicon.
ThisiconislocatedundertheMainmenu.ItisusedtoopentheSetup
menu.
→Setupmenuonpage152
2ClickFishSelecttoopentheFishSelectdialog.
→FishSelectonpage191
3Makethenecessaryadjustments.
4ClickOKtosavethecurrentsettingsandclosethedialog.
Monitoringthecurrentbiomass
ThisprocedureexplainshowtoopentheBiomassinformationpane.
ThebiomassispresentedusingtheBiomassinformationpane,and/orenablingthe
Biomassline
→Biomassinformationpaneonpage136
→Echogrammarkersonpage129
1ClicktheBiomassicon.
ThisiconislocatedontheTitleBar.ItisusedtoopentheBiomass
informationpane.
→Biomassinformationpaneonpage136
2Tochangethesizeoftheinformationpane,clickinthebottomrightcorner,hold
themousebuttondepressed,anddrag.
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