Installation manual

SimradES70
Procedure
1ClicktheColourScaleicon.
ThisiconislocatedontheTitleBar.ItisusedtoopentheColourScale
informationpane.
→ColourScaleinformationpaneonpage97
2Movethecursortotheleftsideofthecolourscale.
Observethatthecursorchangesshapetoadualarrowline.
3Clickontheleftedgeofthecolourscale,keepthemousebuttondepressed,anddrag
theedgetowardsright.
4Observethattheweakestcoloursareremovedfromthecolourscale,andthusalso
theweakestechoesfromtheechogrampresentation.
5Releasethemousebutton.
6Inordertorestoretheweakestcolours,clickontheleftedgeofthecurrentcolour
scale,anddragtowardsleft.
Echogramprocedures
TheseproceduresexplainthevariousparameterscontrollingtheES70echogram.
Topics
•Changingthe‘ping’parametersonpage52
•Selectingechogramtypeonpage53
•Addinghorizontalmarkerstotheechogramonpage55
•Addingverticalmarkersandannotationstotheechogramonpage56
•SelectingTVGgainintheEchogramdialogonpage57
•Removinginterferenceandvessel'sownnoiseusingthe‘ping-ping’lteronpage58
•Removinginterferenceusingsequentialpingingonpage59
•Makingiteasiertoseethebottomonpage59
Changingthe‘ping’parameters
Thisprocedureexplainshowtocontrolhowoftenthe
ES70transmitsacousticenergyintothewater.This
isnormallyreferredtoas‘pinging’.
The“pingrate”istheparameterthatcontrolshow
oftentheechosoundershalltransmitacousticenergy
(a“ping”)intothewater.
IfyouobserveapelagicechoontheES70,anditseemstofollowthebottomcontour,it
mayinfactbeafalseechofromtheprevioustransmission(“ping”).Theonlywayto
removethisfalseechoistoreducethepingrate.Ifyoudothis,alltheechoesfromthe
previouspingwillhavedisappearedbeforeyoutransmitthenext.Onoldpaperbased
52
343539/C