Installation manual

SimradES70
Choosingtheverticalrange
Thisprocedureexplainshowtosettheverticalrange;
thedistancefromtheseasurfaceanddowntothe
bottom.ThisverticalrangeiscontrolledbytheRange
buttonontheMainmenu.
Example8StartRangeandRangeinbottomrelated
echogram
Inabottomechogram,settheStartRangevalue
to–5meters.Thiswillmaketheechogramstartfrom5metersabovethebottom.
SetRangetothe5metersplus10=15meters.Theechogramwillnowshowthe
areafrom5metersabovethedepth,anddownto10meters“below”thebottom.
Thebottomcontourwillappearasaatline.
Twomethodscanbeused.
Procedure
1Method1:
aClick[+]or[-]toadjusttherangemanually.
2Method2:
aClickthemiddleofthebuttontoopenit.
bClickanyrangevalue(includingAutowhenavailable)toselectit.
Bottomdetectionprocedures
Theseproceduresexplainhowyoucancontrolthebottomdetection.Topics•Deningmaximumandminimumdepthsonpage62•Adjustingthebottomdetectiontondatshonpage63•Adjustingthebottomdetectiontondseagrassonpage64•Settingupthedepthalarmsonpage64
Deningmaximumandminimumdepths
WhenyouusetheES70itisveryimportantthatitdetectsand“locks”onthecorrect
depth.Normallythiswillhappenautomatically.However,certainconditions(suchas
noiseorairunderthehull),ortheappearanceoflargeschoolsofsh,may“fool”the
sounder.Whenthebottomisundetectedyouwillread0.00metersdepth.
InordertoguidetheES70tolocatethecorrectdepth,youmaysometimesndituseful
tofollowthisprocedure.
Note
Ifyousetmaximumdepthtoavalueidenticalorsmallerthantheminimumvalue,the
bottomdetectionalgorithmwillbedisabled.TheES70willthennotbeabletodetect
thebottomatall,andthedisplayeddepthwillbe0.00m
62
343539/C