Simrad ES70 Operator manual

Operator manual

TECHNOLOGY FOR SUSTAINABLE FISHERIES

www.simrad.com

Simrad ES70

Fish nding echo sounder

Fishndingechosounder

Thismanualprovidesyouwithbasicinformationrequired
tousetheSimradES70Fishndingechosounder.For
detailedoperationalinformation,refertotheSimradES70
Referencemanualandthecontextsensitiveon-linehelp.

SimradES70

Operatormanual

Release1.0.0

3February2010

343539/A

©

KongsbergMaritimeAS

Revisionstatus

Documentno:343539/ISBN-13:978-82-8066-118-0/Revision:A

Rev.A01.02.2010

Firstversion.

Licenseinformation

WhenyouhaveobtainedthenecessarylicensestooperatetheES70,westronglyadvicethatyouwrite
downthehardwareIDandthelicensecodesonthispage.

Function

HardwareID:N/A

Licensecode

Licensecode

Licensecode

Copyright

©2010KongsbergMaritimeAS
TheinformationcontainedinthisdocumentremainsthesolepropertyofKongsbergMaritimeAS.Nopart
ofthisdocumentmaybecopiedorreproducedinanyformorbyanymeans,andtheinformationcontained
withinitisnottobecommunicatedtoathirdparty,withoutthepriorwrittenconsentofKongsberg
MaritimeAS.Thedocument,oranypartofit,maynotbetranslatedtoanyotherlanguagewithoutthe
writtenapprovalfromKongsbergMaritimeAS.

Purpose

Code

Disclaimer

KongsbergMaritimeASendeavourstoensurethatallinformationinthisdocumentiscorrectandfairly
stated,butdoesnotacceptliabilityforanyerrorsoromissions.

Warning

Theequipmenttowhichthismanualappliesmustonlybeusedforthepurposeforwhichit
wasdesigned.Improperuseormaintenancemaycausedamagetotheequipmentand/orinjury
topersonnel.Theusermustbefamiliarwiththecontentsoftheappropriatemanualsbefore
attemptingtoinstall,operateorworkontheequipment.
KongsbergMaritimeASdisclaimsanyresponsibilityfordamageorinjurycausedbyimproper
installation,useormaintenanceoftheequipment.

Supportinformation

Ifyourequiremaintenanceorrepair,contactyourlocaldealer.Y oucanalsocontactususingthefollowing
address:[e-mail]tourotherproducts,visitourwebsite.On
thewebsiteyouwillalsondalistofourdealersanddistributors.

KongsbergMaritimeAS

www.kongsberg.com

Operatormanual

Tableofcontents

ABOUTTHISMANUAL.......................................................7

SIMRADES70...................................................................9

Important..................................................................................................................9

Systemoverview....................................................................................................10

Keyfacts....................................................................................................10

Mainunits..................................................................................................10

Simpliedsystemdiagrams.........................................................................12

GETTINGSTARTED..........................................................13

PowerOn/Offprocedures.......................................................................................13

Usingthetrackball..................................................................................................15

Startingnormaloperation.......................................................................................15

Howtochooseoperationalmode.................................................................16

Howtocheckthetransceiverandtransducersettings.....................................16

Howtocheckthebottomdetectorsettings....................................................17

Howtocheckthecolourscalesettings.........................................................17

Howtocheckthesizedistributionandshpositionsettings..........................18

Howtochecktheechogramsettings.............................................................19

Howtochecktherangesettings...................................................................21

Echosounderpresentations....................................................................................22

TitleBar..................................................................................................................23

Taskbar...................................................................................................................24

Themenusystem....................................................................................................24

Menuhierarchy..........................................................................................24

Menubuttons..............................................................................................25

DISPLAYVIEWS..............................................................28

Displayorganisation...............................................................................................28

TitleBar..................................................................................................................30

Logoandproductname...............................................................................31

Operationbuttons.......................................................................................31

Informationpaneicons................................................................................32

Navigationalinformation.............................................................................34

Functionbuttons.........................................................................................35

Replaybar...............................................................................................................36

Mainmenu..............................................................................................................37

Echograms..............................................................................................................37

Surfaceechogram.......................................................................................37

Bottomechogram.......................................................................................38

Pelagicechogram........................................................................................39

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SimradES70

Trawlechogram..........................................................................................40

Lines,markersandannotationsintheechograms..........................................40

Informationpanes...................................................................................................43

Aboutinformationpanes.............................................................................43

Depthinformationpane...............................................................................44

Biomassinformationpane...........................................................................44

BottomHardnessinformationpane..............................................................45

ColourScaleinformationpane.....................................................................45

SizeDistributioninformationpane...............................................................46

FishPositioninformationpane....................................................................48

EchoPositioninformationpane...................................................................48

Zoominformationpane...............................................................................49

Historyinformationpane.............................................................................50

Taskbar...................................................................................................................51

Screencaptures.......................................................................................................52

OPERATIONALPROCEDURES..........................................53

Operation................................................................................................................54

Howtochangethepingrate........................................................................54

Howtosaveanechogram............................................................................56

Howtosaverawechogramdata...................................................................57

Howtoplaybackechogramsequences.........................................................59

Views......................................................................................................................59

Howtochangethesizeofthepresentationelds...........................................60

Howtoselectpresentationlayout.................................................................60

Howtochangethecolourscaleandpresentationpalette................................60

Howtochangethenumberofcoloursintheechogram..................................61

Echogram................................................................................................................61

Howtoselectechogrampresentation...........................................................62

Howtoestablishhorizontalmarkers.............................................................62

Howtoestablishverticalmarkers.................................................................63

HowtoselectTVGgain..............................................................................63

Howtoremoveinterferenceandvessel’sownnoisefromthe

echograms..................................................................................................64

Howtoeasieridentifythebottom................................................................65

Ranges....................................................................................................................65

Howtochoosetheverticalrange.................................................................65

Howtochoosethestartrange......................................................................66

Bottomdetection....................................................................................................67

Howtodenemaximumandminimumdepth...............................................67

Sizedistribution,biomassandshdensity............................................................68

Howtomonitortheshsizedistribution......................................................68

Howtoadjusttheshlengthforcorrectcalculations.....................................69

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Operatormanual

Howtomonitorthecurrentbiomass.............................................................69

Gain........................................................................................................................70

Howtoadjustthesignalgain.......................................................................70

HowtoadjusttheTVGgain........................................................................71

Powerandpulseduration.......................................................................................71

Howtochoosepassivemode.......................................................................72

Howtochangetheoutputpower..................................................................72

Howtoadjustthepulseduration..................................................................73

THEMENUSYSTEM.........................................................74

Aboutmenusandbuttons.......................................................................................74

Buttontypes............................................................................................................75

Mainmenu..............................................................................................................77

Operationmenu......................................................................................................78

Displaymenu..........................................................................................................79

Setupmenu.............................................................................................................80

Activemenu...........................................................................................................81

ECHOSOUNDERTHEORY.................................................82

Aboutbiomass........................................................................................................82

AboutTVGgain.....................................................................................................83

Aboutdynamicrangeanddisplaypresentation.....................................................84

Aboutoutputpower................................................................................................85

Aboutpulseduration..............................................................................................85

Aboutbottomslopes...............................................................................................87

Aboutrangeselection.............................................................................................87

Upperechogram:Surface............................................................................88

Lowerechogram:Bottomexpansion............................................................88

Aboutbottomlines.................................................................................................89

Bottomline................................................................................................89

Whiteline..................................................................................................90

Hardnessline..............................................................................................90

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SimradES70

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Aboutthismanual

Aboutthismanual

Thepurposeofthismanual

Thepurposeofthismanualistopresentthedescriptionsandproceduresrequiredto
operatetheSimradES70Fishndingechosoundersysteminasafeandefcientmanner.
Itisnotpossibletodescribeallfunctionsandparametersindetail.Itisthereforealso
importantthatyoustudytheotherdocumentsthatareprovidedwithyouechosounder.

Gettoknowyourechosounder!

YourSimradES70echosounderisanadvanceandaccurateinstrumentdevelopedto
helpyoundsh.Itisstilleasytouseassoonasyouhavefamiliarizedyourselfwith
themenusystemandthewayyouchangeparametersTheechosoundercomprisesthe
followingmainparts:

•Acolourdisplay

•Acomputer

•Oneormoretransceiverunits

•Oneormoretransducers

Thismanualwillfocusontheoperationalproceduresandsometheory.Foradditional
details,seetheSimradES70Referencemanualandthecontextsensitiveon-linehelp.

Click“Help”!

InstalledonyourSimradES70Fishndingechosounderyouwillndacomprehensive
on-linehelpsystem.Youmaynotnditinyourlanguage,buteverythingyoucanread
intheES70Referencemanualcanalsobefoundinthecontextsensitiveon-linehelp.To
accessthisinformationclick[?]ontheTitleBar,orthe[?]buttoninoneofthedialogs.
Notethatwhenyouopenthehelpsystemitwillplaceitselfonthetopoftheechogram!

Note

WindowsNT,Windows2000,WindowsXP ,WindowsV ista,Windows7andWindowsare
eitherregisteredtrademarksortrademarksofMicrosoftCorporationintheUnitedStates
and/orothercountries.

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SimradES70

References

ThefollowingusermanualshavebeenprovidedfortheSimradES70Fishndingecho
sounder.EnglishmanualsareprovidedwiththeES70whenitisshipped.Manualsin
otherlanguagesmaybedownloadedfromw

w w . s i m r a d . c o m .

•SimradES70Referencemanual[338106]

•SimradES70Operatormanual[343522]

•SimradES70Installationmanual[343539]

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SimradES70

ThepurposeofthischapteristoprovideanoveralldescriptionoftheES70Fishnding
echosoundersystemanditsmainfeatures.

Topics

•Importantonpage9

•Systemoverviewonpage10

SimradES70

Important

Aswithallotheradvancedinstruments,thereareafewimportantthingsthatyoumustbe
awareof.

Whentheechosounderisnotused

WhenyoudonotusetheES70,switchoffthedisplayandthecomputer.Y oumayswitch
ofthetransceivertoo.

Whendockingyourvessel

ItisveryimportantthatnoonetriestousetheES70whenthevesselisindrydock.If
thetransducerisactivatedwhenoutofwateritmaybedamagedbeyondrepair.To
ensurethatthiscannothappen,removethepowersupplytotheeitherthecomputeror
thetransceiver-orboth!Youmayalsoremovecircuitbreakers.Dothisb
vesselisplacedinthedrydock!

Ifsomethingbreaksdown

Ifyoubelievethatsomethinghasbrokendown,contactyourlocaldealer.Hewillbe
abletoassist.

Whenyouswitchofftheechosounder

e f o r e the

YoumustNEVERswitchofftheechosounderbymeansoftheon/offswitchonthe
computer.YoumustALWA YSexittheES70applicationbyclickingtheExitbuttonon
theTitleBar.Ifyoupowerdownthesounderbymeansofthecomputerswitchyoumay
damagetheES70applicationandtheelectronicinterfaceparametersfortheexternal
devices.

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SimradES70

Systemoverview

ThissectionprovidesthekeyfactsabouttheES70Fishndingechosoundersystem,as
wellasabriefintroductiontothemainunits.

Keyfacts

TheSimradES70Fishndingechosounderisdesignedfortheprofessionalshery
communityimplementingthelatestinnovations.Echosoundersrangingfromrelatively
low-costsinglebeamtolargemulti-frequencysystemscontainingseveralsplit-beam
channelscanberealised.

•TheSimradES70Fishndingechosoundersystemisexibleandeasytosetup

duetoitsmodulardesign.

•Menusanddialogsareoperatedusingastandardcomputermouseoratrackball.

•Additionaluserinputcanbefacilitatedusingastandardcomputerkeyboard.

•TheES70supportslargecolourdisplaymonitors.

•TheES70usestheMicrosoftWindows®operatingsystem.ItcompliestoWindows

XP®andWindows7®.

•TheES70providesyouwithanawardwinninguserinterface.Menusystem,dialogs

andstructurehavebeencreatedusinginnovativedesign,andinclosecooperation
withcustomers.

•Astore/replayfunctionreducestheneedforechogramprintoutonpaper.The

unprocessedtransducersignalisrecordedontheinternalharddisk.Duringreplay,
thissignalisinjectedintotheES70processingsoftwareasifitarriveddirectlyfrom
thetransceiver.

Mainunits

ThebasicES70Fishndingechosounderconsistsof:

•Display

•Computer(TheES70MarineComputermaybeprovided)

•OneormoreGeneralPurposeTransceiver(GPT)units

•Oneormorestandardsinglebeamtransducers

•Oneormoresplit-beamtransducers

Colourdisplay

Astandardcommercialcolourdisplayisused.Thedisplayunitisnormallynotprovided
bySimrad.Severalcommercialtypesandsizesareavailable.

ES70MarineComputer

SimradcansupplytheES70MarineComputerfortheES70Fishndingechosounder
system.

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SimradES70

Figure1ES70MarineComputer

Acommercialcomputermayalsobeused.Itmustcomplytotherequirement
specicationslaidoutbyMicrosoftfortheiroperatingsystems.Itmustalsoprovidethe
necessaryinterfacefacilities(seriallinesandEthernetconnections)thatyoursystemwill
needtocommunicatewithexternalsensors(measuringdevices)andperipheralsystems.

GeneralPurposeTransceiver(GPT)

TheGeneralPurposeTransceiver(GPT)containstransmitterandreceiverelectronics.
Thereceiversaredesignedforlownoise,andtheycanhandleinputsignalsspanninga
verylargeinstantaneousdynamicamplituderangeof150dB.Alltargetsarecorrectly
measuredanddisplayed.

Figure2GeneralPurposeTransceiver(GPT)

AtwistedpairEthernetcableconnectstheGeneralPurposeTransceiver(GPT)tothe
computer.ThedistancebetweenthecomputerandtheGeneralPurposeTransceivercan
beextendeduptomaximum100meters.

Ifmorethanonetransceiverisused,asmallEthernetswitchisrequiredtoconnectthe
GeneralPurposeTransceiverstothecomputer.

Standardsinglebeamtransducer

TheES70mustbeconnectedtooneormoretransducers.

Awiderangeofoperationalfrequenciesareavailable.

FormoreinformationaboutthesinglebeamtransducersprovidedbySimrad,consult

w w . s i m r a d . c o m .

w

Split–beamtransducer

TheES70canbeusedwithSimrad’sadvancedsplit-beamtransducers.Thesetransducers
areavailableatfrequenciesrangingfrom18to200kHz.

Formoreinformationaboutthesplit–beamtransducersprovidedbySimrad,consult

w w . s i m r a d . c o m .

w

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11

SimradES70



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Simpliedsystemdiagrams

Thesystemdiagramsprovidedshowe

x a m p l e s onhowaES70systemmaybesetup.

Figure3SystemdiagramwithasingleGeneralPurposeTransceiver

ADisplayUnit

BProcessorUnit(computer)

CGeneralPurposeTransceiver(GPT)

DTransducer(s)

Figure4SystemdiagramwithtwoGeneralPurposeTransceivers

ADisplayUnit

BProcessorUnit(computer)

CGeneralPurposeTransceiver

(GPT)

DTransducer(s)

EEthernetswitch

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Gettingstarted

ThischapterdescribeshowtogetstartedwiththebasicoperationoftheES70Fish
ndingechosounder.

Note

ThischapterassumesthattheES70Fishndingechosounderhasatleastonefrequency
channel(transceiverandtransducer)readilyconnected.Ifthisisnotthecase,observe
theprocedure.

Gettingstarted

TherelevantprocedureislocatedintheES70Referencemanual.

Topics

•PowerOn/Offproceduresonpage13

•Usingthetrackballonpage15

•Startingnormaloperationonpage15

•Echosounderpresentationsonpage22

•TitleBaronpage23

•Taskbaronpage24

•Themenusystemonpage24

PowerOn/Offprocedures

Note

Makesurethatyouhavesufcientwaterbelowthehullb e f o r e youpoweruptheecho
sounder.Ifyoustarttheechosounderwiththetransducerinair ,youmaydamageit
beyondrepair!

HowtopoweruptheES70echosounder

1PoweruptheGeneralPurposeTransceiver(GPT)unit.

2Powerupthecomputerandthedisplay.

3WaituntiltheES70programstartsonthecomputer.

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SimradES70

WhentheES70starts,youmayseeadialogrequestingpermissiontoupgradethe
rmwareonthetransceiver.Thishappensifthermwareonthetransceiverisolder
thanthermwareprovidedasapartoftheES70software.Sincefunctionality
ontheES70maydependonthermwareinthetransceiver,clickY estoupgrade
thetransceiver.

Duringtheprograminitialisation,adialogappearstoletyouchoosefromthecurrent
usersettingsavailableontheES70.Thedialogisonlyvisibleafewseconds.Y ou
donotneedtomakeachoicehere.Y oucanselectusersettingatanytimebymeans
oftheUserSettingdialogontheMainmenu.

4Chooseoperationalmode:

aObservetheMainmenuontherighthandsideoftheES70presentation.

bClicktheOperationmenuicontoopentheOperationmenu.

cClicktheOperationbutton,andselectNormal.

5OnthePingbutton,clickthesymbolontherighthandsidetostartpinging.

6ObservethattheES70starts.

•TheES70startsupusingthesameoperationalparametersasthelasttimeyou
usedit.Iftheseparametersareacceptable,continueoperation.Ifyouwishtoalter
basicoperationalparameters,seesectionStartingnormaloperationonpage15.

•WhentheES70starts,itisveryimportantthatitdetectsthebottomcorrectly.
Inmostcasesthiswilltakeplaceautomatically.However,wehaveexperienced
thatlargeschoolsofshordifcultbottomconditionshavedeceivedtheES70to
displaythewrongdepth.Inthesecasesthesoundermaydisplaythebottomat
0,0meters,orwithanyotherabnormalvalue.InordertoaidtheES70tolocate
thecorrectdepth,observethededicatedprocedure.SeeHowtodenemaximum
andminimumdepthonpage67.

HowtopowerofftheES70echosounder

Note

YoumustNEVERswitchofftheechosounderonlybymeansoftheon/offswitchon
thecomputer .Thismaydamagethesoftwareortheinterfaceparametersforexternal
devices.YoumustALWAYSusethisprocedure.

1ClicktheExitbuttonontheTitleBarinthetoprightcorneroftheES70presentation.

2ObservethattheES70applicationclosesdown.

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343539/A

Gettingstarted

3Ifthecomputerdoesnotswitchitselfoffautomatically,usethefunctionality

providedbytheoperatingsystemtoswitchitoffmanually.

4Switchoffthepowertothedisplayandtothetransceiver(s).

Usingthetrackball

AllES70functionsarecontrolledwiththetrackball.Thistrackballisconnectedtothe
computer,andbymeansofthebuttonsandthewheelyoucancontrolallthedialogsand
parametersettings.Astandardcomputermousecanalsobeused.Ifyouwishtousea
mouse,werecommendthatyoundoneequippedwithacontrolwheel.

AControlwheel

BTrackball

CRightmousebutton

DLeftmousebutton

Startingnormaloperation

OnceyouhavepowereduptheES70andthedisplay,youarereadytostarttheactual
operation.Whenyouhavechosenoperationalmode,theechosounderstartsusingits
previoussetupparameters.

Note

Iftheseparametersareacceptableyoudonotneedtocarryouttheremainingprocedures
inthissection.

TheseprocedurebelowassumesthattheES70Fishndingechosounderhasatleast
onefrequencychannel(transceiverandtransducer)readilyconnected.Ifthisisnot
thecase,observetheprocedure.

TherelevantprocedureislocatedintheES70Referencemanual.

1Chooseoperationalmode

2Checkthetransceiverandtransducersettings

3Checkthebottomdetectorsettings

4Checkthecolourscalesettings

5Checkthesizedistributionandshpositionsettings

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SimradES70

6Checktheechogramsettings

7Checktherangesettings

Howtochooseoperationalmode

1ObservetheMainmenuontherighthandsideoftheES70presentation.

2ClicktheOperationmenuicontoopentheOperationmenu.

3ClicktheOperationbutton,andselectNormal.

Howtocheckthetransceiverandtransducersettings

1Observethatthecurrentlyconnectedtransducer(s)areshownastabsontheT askbar.

Eachtransducernamealsoidentiestheoperationalfrequency.

2ClicktheSetupicontoopentheSetupmenu.

→Setupmenuonpage80

3OntheSetupmenu,clickInstallation,andthenT ransceiverInstallation.

ObservethattheTransceiverInstallationdialogopens.Thisdialogisusedto
controlthecommunicationbetweentheES70computerandthetransceiver(s)and
transducer(s).

4Checkthatallapplicabletransceiversandtransducersareconnectedandoperational.

Foreachtransceiver,thisisindicatedbythegreenlabelwithtext“Installed”.

5ClickOKtosavethesettingsandclosethedialog.

6ClicktheOperationicontoopentheOperationmenu.

→Operationmenuonpage78

7OntheOperationmenu,clickNormalOperation.

ObservethattheNormalOperationdialogopens.Thisdialogisusedtodene
variousparametersassociatedwiththetransceiver.Thesesettingsinclude

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transceivermode,thedepthofthetransducersurface,thetransmitpower,andthe
pulseduration.NotethatthisdialogisnotavailableinReplaymode.

8Foreachchannel(transceiver/transducercombination):

aSetModetoActive.

bSetPulseLengthtoAuto.

TheES70willautomaticallychoosethebestpulsedurationtottheoperational
frequency,modeandcurrentdepth.Thepulsedurationdenestheresolution.

→Aboutpulsedurationonpage85

cSetPowertomaximum.

dCheckthattheDepthvalueissetcorrectly.

Thisisthedepthofthetransducerfacerelativetothewatersurface.Apositive
valueofforexample5metersmeansthatthetransducerislocated5meters
belowtheseasurface.Foraccuratedepthreadings,thisDepthvaluemustbe
setupcorrectly.

Gettingstarted

9ClickOKtosavethesettingsandclosethedialog.

Howtocheckthebottomdetectorsettings

1ClicktheActiveicontoopentheActivemenu.

→Activemenuonpage81

2OntheActivemenu,clickBottomDetector.

ObservethattheBottomDetectordialogopens.Thisdialogisusedtodenevarious
parametersassociatedwiththebottomdetection.Theseincludethedepthrange,
wheretheES70searchesforthebottom.

3SetMinimumDepthandMaximumDepthtovaluestforthedepthatyourcurrent

location.

Note

SettingbothMinimumDepthandMaximumDepthto0mwillturnoffbottom
detection.

4ClickOKtosavethesettingsandclosethedialog.

Howtocheckthecolourscalesettings

1ClicktheColourScaleiconontheTitleBartoopentheColourScaleinformation

pane.

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17

SimradES70

→ColourScaleinformationpaneonpage45

2Observethatthecurrentcolourscaleisshown.

Youcanlterouttheweakestechoesbymanuallymodifyingthecolourthreshold.

aClicktheColourScaleiconontheTitleBartoopentheColourScaleinformation

pane.

bMovethecursortotheleftsideofthecolourscale.

Observethatthecursorchangesshapetoadualarrowline.

cClickontheleftedgeofthecolourscale,anddragtheedgetowardsright.

dObservethattheweakestcoloursareremovedfromthecolourscale,andthus

alsotheweakestechoesfromtheechogrampresentation.

3ClicktheDisplayicontoopentheDisplaymenu.

→Displaymenuonpage79

4OntheDisplaymenu,clickColourSetup.

ObservethattheColourSetupdialogopens.Thisdialogisusedtodenewhich
colourscaletouseontheES70presentations.Youcantesttheoptionsbymaking
aselection,andclickingApply.Theresultingcolourscaleisimmediatelyshown
intheColourScaleinformationpane.

Whenthecolourscaleuses12colours,eachcolouralwaysrepresentsa3dBvalue
range.Using12coloursthusenablesmappingofa36dBvaluerangetocolours.

5ClickOKtoacceptthedefaultsettingsandclosethedialog.

Howtocheckthesizedistributionandshpositionsettings

Note

Sizedistributionandshpositioninformationpanesareonlyavailableifyouusea
splitbeamechosoundersystem!

1ClicktheSizeDistributioniconontheTitleBartoopentheSizeDistribution

informationpane.

TheSizeDistributioninformationpaneshowsahistogramofthesingleshechoes

detectedintheechogram.Foranaccuratex-axisvalue,placethecursoronavertical

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343539/A

Gettingstarted

barinthehistogram,andreadthevaluefromthelabel.TheabbreviationTSis
commonlyused.Itmeans“TargetStrength”,andthisisameasureofhowstrong
echotheindividualshesinthecurrentechogramgenerate.Theechostrength
indicatesthesizeoftheshes.TheSizeDistributioninformationpanethusprovides
amathematicalestimateofthesizesofallthechosenshspeciesintheechogram.

→SizeDistributioninformationpaneonpage46

Tochangetheshspecies,usetheFishSelectdialogopenedontheSetupmenu.

2IntheSizeDistributioninformationpane,clicktheSetupiconinthetoprightcorner

toopentheSizeDistributiondialog.

TheSizeDistributiondialogallowsyoutoshapethesizedistributionhistogram
toyourownrequirements.Y oucansetupthemode,theupperandlowerlimits,
theaccuracy,andtheverticalresolution.

3ClickOKtosavethesettingsandclosethedialog.

4ClicktheFishPositioniconontheTitleBartoopentheFishPositioninformation

pane.

TheFishPositioninformationpaneshowsthepositionwithinthebeamofthe
detectedsingleechoesforthecurrentping(largestcircles)andthethreeprevious
ping(smallercircles).Thecoloursindicatetheechostrength.

→FishPositioninformationpaneonpage48

Howtochecktheechogramsettings

1ObservetheES70echogram.

Ifyouhavetwoormorechannels(transducers/frequencies),observethetabson
theTaskbar.

→Displayorganisationonpage28

2Clickoneofthetransducertabs.Observethatonlytheechogramfromtheselected

frequencychannelisshown.

Bydefault,twoechogramsareshownforeachfrequencychannel.Thetop
echogramissurfacerelated,whilethebottomechogramisbottomrelated.Several
echogramtypesareprovided.

•Surface:Theechogramisrelatedtotheseasurface.Startdepth(upperechogram

boundary)andverticalrange(acrossechogram)aremanuallyselectedbythe

StartDepthandRangebuttonsontheMainmenu.

•Bottom:Theechogramisrelatedtothedetectedbottom.Stopdepth(lower

echogramboundary)andverticalrangearemanuallyselectedbytheStartDepth
andRangebuttonsontheMainmenu.Theechogramisonlydrawnforpings
havingasuccessfulbottomdetection.

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SimradES70

•Pelagic:ThisechogramisnearlyidenticaltotheSurfaceechogram.However,

thebiomasscalculationsarenotrestrictedbythebottomdetection.Thismeans
thatthebottomechowillbeincludedincalculationsifitappearswithinthe
chosenrange.

Example:Ifyouareinvestigatingalargeschoolofpelagicsh,settheStart

RangeandRangetoenclosetheschool.Iftheschoolislargeenough,aSurface

echogrammaymistakeitforbottom,andthebiomassreadingswillbewrong.
ThePelagicechogramwillhoweverdisregardthebottomdetection,andgivea
correctestimateofthebiomass.

•Trawl:Trawlsensorsystemscommunicateheadropedepthand

headrope-to-footropedistancetotheES70atregularintervals.Theechogram
coverstheverticalopeningofthetrawlincludingasmallmarginateachside.
Theheadropeandfootropemarginsareidentical.Thebiomasscalculationsare
notrestrictedbythebottomdetection.

3Movethecursorovertheechogram.

Observethatarectangular“tooltip”labelisshown.Itprovidesinformationabout
theechoesatthecursor’spresentposition.Whichinformationtoincludeinthelabel
isdenedintheDisplayOptionsdialog.

4ClicktheHorizontaltab.Observethattheechogramchannelsareshownhorizontally.

5ClicktheV erticaltab.Observethattheechogramchannelsareshownvertically.

6Clickononeoftheechograms.

Observethattheechogramthenappearswithathickborderline.Theechogramyou
haveselectedisnowthe“active”echogram.AnychangesmadeintheEchogram
dialogwillbydefaultonlyapplytothisechogram.

→Echogramsonpage37

7OntheActivemenu,clickEchogram.

ObservethattheEchogramdialogopens.Thisdialogisusedtocontrolthe
appearanceoftheactiveechogram.

8IntheEchogramdialog,checkthattheLinestabisshown.

TheLinestabintheEchogramdialogallowsyoutochangetheappearanceofthe
bottomline.Youcanaddanextrabottomline,andinadditiontothisyoucanenable
eitherawhitelineorahardnessindicatorline.Thetaboffersseveralhorizontal
informationlines,andyoucanchoosetheverticalscaleoftheechogram.Finally,
theLinestabofferstimeordistancemarkers,andyoucanenableannotations.

9ClickBottomlineandWhitelinetoenablethese.Observethechangesonthe

echogram.

10ClicktheEchogramtab.

TheEchogramtabintheEchogramdialogallowsyoutoselectwhichTVGcurveto
usefortheechogram.Y oucanchoosefromseveralstandardcurves,ormakeyour
own.Thetabalsoallowsyoutochoosewhichtypeofechogramyouwishtodisplay.

→AboutTVGgainonpage83

20

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11ChangetheEchogramT ypetoseethevariations.

12ClicktheHorizontalAxistab.

TheHorizontalAxistabintheEchogramdialogallowsyoutochoosethehorizontal
scaleoftheechogram.Thiscontrolshow“fast”theechogrammovesfromright
towardsleftacrossthedisplay.

13Trythevariousoptionstoseethevariationsontheechogram.

14ClickOKtosavethecurrentsettingsandclosethedialog.

Howtochecktherangesettings

1Observetheverticalrangeoftheechograms.

Notethattheverticalrangeissetupdifferentlydependingontheechogramtype.

2Clickinasurfacerelatedechogramtomakeit“active”.

3ObservetheRangebuttonontheMainmenu.

Gettingstarted

TheRangefunctionallowsyoutospecifytheverticalrangeofthewatercolumn
coveredbytheechogram.Therangeisdenedfromaselectedstartrange,and
downtoavaluebeneaththecurrentbottomdepth.Thevalueshownandselectedis
bydefaultappliedonlytothecurrentlyselectedechogram.

4ObservetheStartRangebuttonontheMainmenu.

StartRangeallowsyoutospecifythestartdepthoftheechogram,thatisfrom

whichdepthinthewatercolumnthepresentationshallstart.Thevalueshownand
selectedisappliedtothecurrentlyselectedechogramtype.

Example:Inasurfaceechogram,settheStartRangevalueto0meters.Thiswill
maketheechogramstartfromtheseasurface(providedthatthetransduceroffset
hasbeendened).SetRangetothecurrentdepthplus20meters.Theechogramwill
nowshowtheareafromtheseasurfaceanddownto20meters“below”thebottom.
Thebottomcontouriseasilydetectedwhenthedepthchanges.

Example:Inasurfaceechogram,settheStartRangevalueto10meters.Thiswill
maketheechogramstartfrom10metersbelowtheseasurface(providedthatthe
transduceroffsethasbeendened).SetRangetothecurrentdepthplus20meters.
Theechogramwillnowshowtheareafrom10metersbelowtheseasurface,and
downto10meters“below”thebottom.Thebottomcontouriseasilydetected
whenthedepthchanges.

5SetRangetoAuto,andsetStartRangeto0.

Observethechangesmadetothesurfacerelatedechogram.

6Clickinabottomrelatedechogramtomakeit“active”.

7ObservetheRangeandStartRangebuttonsontheMainmenu.

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21

SimradES70

Example:Inabottomechogram,settheStartRangevalueto–5meters.This
willmaketheechogramstartfrom5metersabovethebottom.SetRangetothe5
metersplus10=15meters.Theechogramwillnowshowtheareafrom5meters
abovethedepth,anddownto10meters“below”thebottom.Thebottomcontour
willappearasaatline.

8SetRangeto15,andsetStartRangeto5.

Observethechangesmadetothebottomrelatedechogram.

Echosounderpresentations

ThissectiondescribestheoveralllayoutofthepresentationprovidedbytheES70echo
sounder.

Theexampleshowsadualfrequencyechosounderusingtwosplit-beamtransducers(38
and120kHz).ThescreencapturehasbeenmadewhileinReplaymode.

ATitleBar

TheTitleBarcontainsiconstoopenthevariousinformationpanes,aswellas
buttonstoinitiatespecicfunctions.

BEchogram(s)

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OneormoreEchogramisdisplayedusingthelargestportionofthescreen.The
presentationlayoutiscontrolledbythefunctionbuttonsontheStatusbar.Youcan
displayindividualechogramsforeachfrequencyinuse,oryoucanlayoutthe
presentationofallfrequencieseitherhorizontallyorvertically.

AdditionalinformationpanesmaybeselectedontheTitleBarusingtherelevant
icons.

CMainmenu

Themenusystemisbydefaultlocatedattherightsideofthedisplaypresentation.
Themainmenuisalwaysvisible,butmaybehiddenfromview.Toopena
sub-menu,clickoneoftheiconsatthebottomofthemainmenu.

DT askbar

TheTaskbarstretchesacrosstheentirepresentationwidthatthebottomofthe
display.Ontheleftside,dedicatedfunctionbuttonsallowsyoutocontrolthe
presentationlayout.

EReplaybar

Gettingstarted

TheReplaybarcontrolstheplaybackwheninReplaymode.Itisonlyvisible
inthismode.

Foramoredetaileddescriptionoftheechogrampresentationsandthedisplayviews,
seeDisplayviewsonpage28.

TitleBar

TheES70TitleBarislocatedonthetopofthedisplaypresentation,anditisstretched

fromthefarlefttothefarrightside.

ABrandandproductnameidentication

BOperationbutton;Menu

COperationbuttons;ScreencaptureandRecord

DIconstoopeninformationpanes

ENavigationalinformation

FFunctionbuttons(Messages,Helpandoperatingsystemfunctions)

TitleBarelements

•Brandandproductname:Thiselementidentiesthemanufacturerandtheproduct.

→Logoandproductnameonpage31

•Operation:Thesebuttonsareusedtocontrolbasicoperationalfunctions.

→Operationbuttonsonpage31

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23

SimradES70

•Informationpanes:Theiconsareusedtoopenandclosededicatedinformationpanes.

→Informationpaneiconsonpage32

•Navigation:Thesearenotbuttons,butinformationeldsprovidingcurrentdata
relatedtothevesselmovements.

→Navigationalinformationonpage34

•Function:Thesebuttonsareusedtocontrolbasicfunctionssuchasscreencaptures,
help,menuappearance

→Functionbuttonsonpage35

FormoredetailedinformationabouttheTitleBar,seeTitleBaronpage30.

Taskbar

TheT askbarislocatedatthebottomofthedisplay.TheT askbarcontainstabstocontrol

theechogrampresentations,aswellastimeanddateinformation.

AEchogrambrowser

BPresentationformat

CTransducer/echogrampresentation

DDate

ETime

Formoreinformation,seeT askbaronpage51.

Themenusystem

Thissectionprovidesashortintroductiontothemenusystem,andexplainsthebasic
useoftheES70menubuttons.

Formoreinformationaboutthemenusystem,seeThemenusystemonpage74.

Menuhierarchy

ThemenusystemontheES70isbydefaultplacedontherighthandsideofthedisplay
presentation.Y oucanhowevereasilymovethemenutotheleftsideusingtheDisplay

Optionsdialog,orhideitfromviewwiththeMenubuttonontheTitleBar.Themain

menuisshort,andthefoursub-menusareopenedbyclickingonthefouricons.

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Themainmenuprovidesalimitednumberofkey
functions,whilethesub-menusofferawiderrangeof
parameters.

Menuhierarchy

1TheMainmenuprovidestheparametersmostfrequentlyusedduringnormal

operation.

2TheOperationmenucontrolsthemainoperationalparameters.

Gettingstarted

3TheDisplaymenucontrolsthevisualaspectsofthesystem,suchasparameters

relatedtothedisplaypresentation.

4TheSetupmenuallowsyoutocontrolthecongurationofthesignalprocessing,as

wellassysteminstallationandmaintenance,andtheinterfacestoperipheraldevices.

5TheActivemenuhasitscontentlinkedtothecurrentactiveitem(vieworobject).

Useittoaccessspecialfeaturesavailablefortheselecteditem.

Menubuttons

Eachmenucontainsseveralcommandbuttons.Eachbuttonshowsthefunctionofthe
button,someofthemalsodisplaysthecurrentparametersetting.Themajorityofthe
buttonsineachmenueldhavethesefunctions:

•Youcanincreaseanddecreaseparametervaluesbyclickingthebutton.

•Youcanchangeparametervaluesbymovingthecursorsideways.

•Youcanchangeparametervaluesbymeansofthescrollwheelonthemouseor

trackball.

•Youcanenterparametervaluesfromthekeyboard(ifyouhaveone).

•Youcanselectparametervaluefromthebutton’ssub-menu.

•Youcanopenadedicateddialog.

Howtoselectanumericalparameterusingthe+/-buttons

1Movethecursortoeithersideofthebutton,andobservethatthebackgroundcolour

changes.

aClickonthel

bClickonther

343539/A

e f t sideofthebuttontodecreasethenumericalvalue.

i g h t sideofthebuttontoincreasethenumericalvalue.

25

SimradES70

Howtoselectanumericalparameterbymovingthecursorhorizontally

1Placethecursoronthemiddleofthebutton.

2Clickandholdtheleftmousebuttondepressed.

3Movethecursorhorizontally:lefttodecreasetheparametervalue,orrightto

increaseit.

4Releasethemousebuttonwhentherequestedvalueisshown.

Howtoselectanumericalparameterbymeansofthescrollwheel

1Placethecursoronthemiddleofthebutton.

2Spinthescrollwheelineitherdirectiontoincreaseordecreasetheparametervalue.

3Releasethescrollwheelwhentherequestedvalueisshown.

Howtoselectanumericalparameterusingthekeyboard

1Clickthemiddlesectionofthebuttontoopenatexteld.

2Enterthenumericalvalueintothetexteld.

Ifthenumericalvalueexceedsthepermittedrangefortheparameter,theframein
thetexteldwillbered.Y ouwillthennotbeabletoenterthevalue.

3PresstheEnterkey.

Howtoselectaparameterusingasub-menu

1Clickthemiddlesectionofthebuttontoopenasub-menu,thenclicktherequested

parametervalue.

Thechosenvalueisapplied,andthesub-menuisautomaticallyclosed.

2Wheneverapplicable,youcanalsoaccessthesub-menubyclickingtheleftand

rightsideofthebutton,butthismethodwillnotshowyouthemenuchoices.

aClickonthel

bClickonther

e f t sideofthebuttontoselectalowersub-menuchoice.

i g h t sideofthebuttontoselectahighersub-menuchoice.

26

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Howtoselectparametersusingadialog

1Clickanywhereonthebuttontoopenaseparatedialog.

Gettingstarted

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27

SimradES70

Displayviews

ThischapterprovidesabriefoverviewoftheinformationdisplayedbytheES70Fish
ndingechosounder,andhowitisorganised.

Topics

•Displayorganisationonpage28

•TitleBaronpage30

•Replaybaronpage36

•Mainmenuonpage37

•Echogramsonpage37

•Informationpanesonpage43

•Taskbaronpage51

•Screencapturesonpage52

Displayorganisation

AtypicalES70Fishndingechosounderdisplaypresentationisshown.

ATitleBar

TheTitleBaridentiesthelogo,andprovidesseveralconsandbuttons.Theseare
usedtohideorretrievethemenusystemandtheinformationpanes,andtoenable
basicsystemfunctions.

→TitleBaronpage30

→Informationpanesonpage43

BEchogram(/s)

TheEchogram(s)takesupthelargestpartoftheechosounderwindow.

Bydefault,youwillhavetwoechogramsforeachfrequencychannel(transducer).
Thesecanbepresentedhorizontallywithoneovertheother,ornexttoeachother,
bymeansofthetabsontheT askbar(D).

→Taskbaronpage51

Youcanmodifythesizeoftheechogramsbymovingtheboundarylinesbetween
theechograms.Clickonaboundaryline,holdthebuttondepressed,andmovethe
linehorizontallyorvertically.

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Ifyouclickinanechogram,theechogramisselectedtobe“active”.The“active”
echogramisidentiedwithathickborder.Ifyouchangeparametersrelatedtothe
echogram,thesearebydefaultonlyappliedtothe“active”echogram.

CMainmenu

TheMainmenuisbydefaultlocatedontherighthandsideoftheechosounder
presentation.Toopenanyofthesub-menus,clicktheicons.Tohideorretrievethe

Mainmenu,clicktheMenubuttonontheTitleBar.

→Mainmenuonpage37

Displayviews

DT askbar

TheT askbarislocatedatthebottomoftheechosounderpresentation.

→Taskbaronpage51

EReplaybar

DuringreplayadedicatedReplaybarisshownbelowtheTitleBar.TheReplaybar
allowsyoutoretrievesavedles,andtocontroltheplayback.

→Replaybaronpage36.

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SimradES70

FSub-menus

Foursub-menusmaybeopenedfromthefouriconsinthebottomoftheMainmenu.

→Mainmenuonpage37

GInformationpanes

YoucanchoosefromseveralInformationpanestoprovideyouwithadditionaldata.
ThesepanesareselectedfromthebuttonsontheTitleBar.Thepanescanbemoved
aroundontheechogrampresentation,andyoucanchangetheirsizes.Thepanesare
transparent,soechograminformationdisplayedbehindthemarenotlost.

→Informationpanesonpage43

TitleBar

TheES70TitleBarislocatedonthetopofthedisplaypresentation,anditisstretched
fromthefarlefttothefarrightside.

ABrandandproductnameidentication

BOperationbutton;Menu

COperationbuttons;ScreencaptureandRecord

DIconstoopeninformationpanes

ENavigationalinformation

FFunctionbuttons(Messages,Helpandoperatingsystemfunctions)

TitleBarelements

•Brandandproductname:Thiselementidentiesthemanufacturerandtheproduct.

→Logoandproductnameonpage31

•Operation:Thesebuttonsareusedtocontrolbasicoperationalfunctions.

→Operationbuttonsonpage31

•Informationpanes:Theiconsareusedtoopenandclosededicatedinformationpanes.

→Informationpaneiconsonpage32

•Navigation:Thesearenotbuttons,butinformationeldsprovidingcurrentdata

relatedtothevesselmovements.

→Navigationalinformationonpage34

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•Function:Thesebuttonsareusedtocontrolbasicfunctionssuchasscreencaptures,

help,menuappearance

→Functionbuttonsonpage35

Logoandproductname

TheSimradlogoandtheproductname(ES70)isshown.

Double-clicktheSimradlogotoreducethesizeoftheES70presentation.Double-click
onemoretimetorestoretheoriginalsize.

Operationbuttons

Menubutton

Displayviews

ClickonceontheMenubuttontohidethemenu,andonemoretimetobringitback
again.Whenthemenuishidden,itwilltemporarilybeshownontheleftandrighthand
sideofthedisplayifyoumovethecursortothatposition.

→Mainmenuonpage37

→Themenusystemonpage74

Screencapturebutton

Clickthisbuttononcetocreateascreencaptureofthecurrentechogrampresentation.To
viewtherecordedimage,clickScreenCaptureontheT askbartoopentheimagebrowser.

→Howtosaveanechogramonpage56

→Screencapturesonpage52

Recordbutton

Clickthisbuttontostartandstoprecording.

TherecordingfunctionissetupusingtheparametersavailableontheRecordbutton
ontheOperationmenu.

→Howtosaverawechogramdataonpage57

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SimradES70

Informationpaneicons

TheSimradES70offersseverali

n f o r m a t i o n p a n e s toprovideadditionalanddetailed
datafromtheechogram.Thepanesareopenedandclosedusingthepanebuttonson
theTitleBar.

Inordertoopenaninformationpane,youmustrstclickinanechogrampresentationto
makeit“active”.Bydoingthisyouselectfrequencychannel(transducer).Inmostcases,
thedataintheinformationpaneyouopenwillonlybevalidfortheselectedechogram.

Note

Someoftheinformationpanesareoptional.Theyarethusnotavailableforuseunlessa
licencecodeisavailable.Inordertoobtainalicence,consultyourlocaldealer .

Depth

ClickthisbuttontoopenandclosetheDepthinformationpane.Thispaneprovidesthe
currentdepthasmeasuredbytheselectedtransducer.

→Depthinformationpaneonpage44

Biomass

ClickthisbuttontoopenandclosetheBiomassinformationpane.Thispaneprovidesthe
currentbiomassascalculatedbytheechosounderbasedonthecurrentechogram.

[1]

→Biomassinformationpaneonpage44

BottomHardness

ClickthisbuttontoopenandclosetheBottomHardnessinformationpane.Thispane
providesthebottomhardnessinthecurrentechogram.

[2]

→BottomHardnessinformationpaneonpage45

1.Biomassisanoptionalfunction.InordertoactivatetheBiomassinformationpane,youmustobtaina

licence.

2.Bottomhardnessisanoptionalfunction.InordertoactivatetheBottomHardnessinformationpane,

youmustobtainalicence.

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Displayviews

ColourScale

ClickthisbuttontoopenandclosetheColourScaleinformationpane.Thispaneshows
youthecoloursyouarepresentlyusinginyourechogrampresentation.Y oucanalso
manuallymodifythecolourscaletolteroutweakechoes.

→ColourScaleinformationpaneonpage45

SizeDistribution

ClickthisbuttontoopenandclosetheSizeDistributioninformationpane.Thispane
showsyouthecoloursyouarepresentlyusinginyourechogrampresentation.

[3]

→SizeDistributioninformationpaneonpage46.

FishPosition

ClickthisbuttontoopenandclosetheFishPositioninformationpane.Thispaneshows
youthepositionwithinthebeamofthedetectedsingleechoes.

[4]

→FishPositioninformationpaneonpage48

EchoPosition

ClickthisbuttontoopenandclosetheEchoPositioninformationpane.Thispaneshows
youthepositionwithinthebeamofthedetectedsingleechoes.

[5]

→EchoPositioninformationpaneonpage48

3.TheSizeDistributioninformationpaneisonlyavailableifyourES70isequippedwithoneormore

splitbeamtransceivers.

4.TheFishPositioninformationpaneisonlyavailableifyourES70isequippedwithoneormoresplit

beamtransceivers.

5.TheEchoPositioninformationpaneisonlyavailableifyourES70isequippedwithoneormoresplit

beamtransceivers.

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SimradES70

Zoom

ClickthisbuttontoopenandclosetheZoominformationpane.Thispaneallowsyou
tozoominonaselectedareaofthecurrentechogram.

→Zoominformationpaneonpage49

History

ClickthisbuttontoopenandclosetheHistorypane.Thispaneallowsyoutoviewthe
previouslysavedechogramsforthecurrentlyactiveechogram.

→Historyinformationpaneonpage50

Navigationalinformation

Thesearenotbuttons,buteldsprovidingusefulinformationrelatedtothevessel
movements.Y oucanchoosewhichinformationtobedisplayedifyouopentheDisplay

OptionsdialogfromtheDisplaysub-menu.

Note

ThisnavigationalinformationontheTitleBarmustnotbeusedfornavigation!

Geographicallocation

ProvidedthataGPSsystemisconnectedtotheES70,thiseldontheTitleBarwill
displaythevessel’sgeographicalpositioninlongitudeandlatitude.

ThecommunicationwiththeexternalGPSsystemissetupusingtheNavigationbutton
ontheSetupmenu.

Vesselheading

ProvidedthataGPSorcompasssystemisconnectedtotheES70,thiseldontheTitle

Barwilldisplaythevessel’scurrentheading.

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Displayviews

ThecommunicationwiththeexternalGPSsystem,headingsensororgyrocompassisset
upusingtheNavigationbuttonontheSetupmenu.

Vesselspeed

ProvidedthataGPSorspeedlogsystemisconnectedtotheES70,thiseldontheTitle

Barwilldisplaythevessel’scurrentspeed.

ThecommunicationwiththeexternalGPSsystemorspeedsensorissetupusingthe

NavigationbuttonontheSetupmenu.

Watertemperature

ProvidedthatatemperaturesensorisconnectedtotheES70,thiseldontheTitleBar
willdisplaythewatertemperature.

Note

ThisfunctionalityisnotimplementedinSWversion1.0.0.

Depth

ThecurrentdepthforeachofthetransducersconnectedtotheES70canbeshown.

Functionbuttons

ThevefunctionbuttonsarelocatedonthefarrightsideoftheTitleBar.

Messagebutton

ThisMessagebuttonwillindicatewhentheES70systemhasissuedamessage.Clickthe
buttontoopentheMessagedialog.Ifyouholdthemousecursoroverthebutton,atooltip
rectanglewillprovidealistofthemessagesthatyouhavenotacknowledged.

Helpbutton

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35

SimradES70

ClickthisbuttontoopentheES70contextsensitiveon-linehelp.Thebuttonopens
thehelpsystemonitsstartpage.

Minimizebutton

ClickthisbuttontominimizetheES70displaypresentation.Thisisanoperatingsystem
function.

Resizebutton

ClickthisbuttontochangethesizeoftheES70displaypresentation.Thisisanoperating
systemfunction.

Exitbutton

ClickthisbuttontoclosetheES70program.

→PowerOn/Offproceduresonpage13

Replaybar

TheReplayBarisautomaticallyactivatedonceyouselectReplaymode.Thebaris
positioneddirectlybelowtheTitleBar.

AStop:Clickthisbuttontostoptheplayback.

BPlay/Pause:Clickthisbuttontostarttheplayback,ortopauseit.

CReplayspeed:Clickthisslidertoadjustthereplayspeed.

DFileselect:Thisbuttonshowswhichleyouarecurrentlyplaying,Clickthebutton

toopentheReplaydialog.

EProgress:Thisbarshowsyouthereplayprogressofthecurrentle.Ifyouhave

chosentoloopthereplayle(s),thegreenindicatorswillstartfromlefteverytime
thestartoftheleappears.

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Mainmenu

Themainmenuisbydefaultlocatedontherighthandsideoftheechosounder
presentation.

Themainmenuprovidesalimitednumberofkey
functions,whilethesub-menusofferawiderrangeof
parameters.

YoucanhidethemenubyclickingtheMenubuttonon
theTitleBar.

YoucanplacethemenuontheleftsideoftheES70presentationbymeansoftheMenu

ontherightsideoptionintheDisplayOptionsdialog.

Displayviews

Menuhierarchy

1TheMainmenuprovidestheparametersmostfrequentlyusedduringnormal

operation.

2TheOperationmenucontrolsthemainoperationalparameters.

3TheDisplaymenucontrolsthevisualaspectsofthesystem,suchasparameters

relatedtothedisplaypresentation.

4TheSetupmenuallowsyoutocontrolthecongurationofthesignalprocessing,as

wellassysteminstallationandmaintenance,andtheinterfacestoperipheraldevices.

5TheActivemenuhasitscontentlinkedtothecurrentactiveitem(vieworobject).

Useittoaccessspecialfeaturesavailablefortheselecteditem.

Formoreinformationaboutthemenusystem,seeThemenusystemonpage74.

Echograms

Surfaceechogram

Thisechogramisrelatedtotheseasurface.Startdepth(upperechogramboundary)and
verticalrange(acrossechogram)aremanuallyselectedbytheStartDepthandRange
buttonsontheMainmenu.

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37

SimradES70

AThisisthestartdepthoftheechogram.

Inasurfaceechogramitisnormallysetup
withStartRange=0,ortoasmallvalueto
starttheechogramimmediatelyunderthe
keel.

BThisisthebottom.

Thetotalechogramrange(A)to(F)isdened
withtheRangebuttonontheMainmenu.
Unlessspecicconditionsapply,oryouwish
tocontroltherangemanually,useRange=

Auto.

Example:Inasurfaceechogram,settheStart

Rangevalueto0meters.Thiswillmakethe

echogramstartfromtheseasurface(provided
thatthetransduceroffsethasbeendened).
SetRangetothecurrentdepthplus20meters.
Theechogramwillnowshowtheareafrom
theseasurfaceanddownto20meters
“below”thebottom.Thebottomcontouris
easilydetectedwhenthedepthchanges.

CThistextidentiesthetransducerusedtocreatetheechogram.

DThisisthescopeview.

Thisviewpresentsindividualcolourlines.Thecolourandlengthofeachline
reectsthereceivedechoamplitude.

EBydefault,the“pingtime”andthedepthrangeisshowninthebottomleftsideof

theechogram.Inthebottomrightcorner,the“pingtime”isthesameascurrent.
ThisinformationcanbechangedusingtheoptionsontheHorizontalAxistabinthe

Echogramdialog.

FThisisthelowerendofthedepthrange.Itisnormallyafewmetersbelowthe

bottomcontour,dependingonthechosenrange.

Bottomechogram

Thisechogramisrelatedtothedetectedbottom.Stopdepth(lowerechogramboundary)
andverticalrangearemanuallyselectedbytheStartDepthandRangebuttonsonthe

Mainmenu.Theechogramisonlydrawnforpingshavingasuccessfulbottomdetection.

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AThisisthestartdepthoftheechogram.

Inabottomechogramitisnormallyitisset
upwithStartRangesettoarelativesmall
negativevalue.Thevaluedeneshowmany
meterabovethebottomtheechogramwill
start.

BThisisthebottom.

Sincetheechogramisrelatedtothisbottom,itappearstobeat.Fishescloseto
thebottomistheneasytosee.

Therangefromthestartdepthabovethebottomanddowntosomedistancebelow
theactualbottomisdenedwiththeRangebuttonontheMainmenu.

Example:Inabottomechogram,settheStartRangevalueto–5meters.This
willmaketheechogramstartfrom5metersabovethebottom.SetRangetothe5
metersplus10=15meters.Theechogramwillnowshowtheareafrom5meters
abovethedepth,anddownto10meters“below”thebottom.Thebottomcontour
willappearasaatline.

Displayviews

CThistextidentiesthetransducerusedtocreatetheechogram.

DThisisthescopeview.

Thisviewpresentsindividualcolourlines.Thecolourandlengthofeachline
reectsthereceivedechoamplitude.

EBydefault,the“pingtime”andthedepthrangeisshowninthebottomleftsideof

theechogram.Inthebottomrightcorner,the“pingtime”isthesameascurrent.
ThisinformationcanbechangedusingtheoptionsontheHorizontalAxistabinthe

Echogramdialog.

FThisisthelowerendofthedepthrange.Itisnormallyafewmetersbelowthe

bottomcontour,dependingonthechosenrange.

Pelagicechogram

Thepelagicechogramappearsverysimilartothesurfaceechogram.However,the
biomasscalculationsarenotlimitedbythebottomdetection.

Example:Inapelagicechogram,settheStartRangevalueto20meters.Thiswillmake
theechogramstartfrom20metersbelowtheseasurface(providedthatthetransducer
offsethasbeendened).SetRangeto40meters.Theechogramwillnowshowthearea
from20metersbelowtheseasurface,anddownto60metersbelowthetransducer.
Providedthatthedepthislargerthan60meters,thebottomcontourisnotshown.

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39

SimradES70

Trawlechogram

Trawlsensorsystemscommunicateheadropedepthandheadrope-to-footropedistance
totheES70atregularintervals.Theechogramcoverstheverticalopeningofthe
trawlincludingasmallmarginateachside.Theheadropeandfootropemarginsare
identical.TheirsizeisselectedintheT rawldialog.Theheadrope-to-footropedistance
canbemanuallysetintheT rawldialogfortrawlsensorsystemsnotmeasuringthe
trawlopening,orwhenthemeasuredheadrope-to-footropedistanceisunreliable.The
echogramisonlydrawnwhentrawlpositioninformationisavailable.Thebiomass
calculationsarenotlimitedbythebottomdetection.

Lines,markersandannotationsintheechograms

TheechogramsprovidedbytheES70maycontainadditionalinformation.

Bottomline

Thebottomcontourmaybeenhancedbyaddingabottomline.Thisisdoneinthe

EchogramdialogontheActivemenu.

→Howtoestablishhorizontalmarkersonpage62

→Bottomlineonpage89

Whiteline

Thebottomcontourmayalsobeenhancedbyaddingawhiteline.

Thewhitelineisanextrathickwhitelinethatis
addedtojustbelowthebottom.Thewhiteline
willnotremoveinformation,itwillsimply“push”
theinformationfurtherdowninordertomakethe
bottomeasiertosee.

ThewhitelineisenabledintheEchogramdialogontheActivemenu.Itcannotbe
usedsimultaneouslywiththehardnessline.

→Howtoestablishhorizontalmarkersonpage62

→Whitelineonpage90

Hardnessline

Thebottomhardnessmaybemonitoredusingthehardnessline.

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343539/A

Thehardnesslineisanextrathickcolourcoded
linethatisaddedtojustbelowthebottom.The
linewillnotremoveinformation,itwillsimply
“push”theinformationfurtherdowninorderto
makethebottomeasiertosee.Thecolourcoding
containsthehardnessinformation.

Thehardnesslinecannotbeusedsimultaneously
withthewhiteline.

ThehardnesslineisenabledintheEchogramdialog.

→BottomHardnessinformationpaneonpage45

→Howtoestablishhorizontalmarkersonpage62

Displayviews

→Hardnesslineonpage90

Trawlline

Wheneveravailableandconnected,trawlsystems(PIandITI)communicateheadrope
depthand/orheadrope-to-footropedistancetotheES70atregularintervals.The
informationfromthesesensorsaredrawnashorizontallinesontheES70echogram.

ThetrawllineisenabledintheEchogramdialogontheActivemenu.

→Howtoestablishhorizontalmarkersonpage62

VariableDepthline

Whenenabledahorizontaldepthlineisplacedwhereveryouclickintheechogram.This
istypicallyusedtomeasurethewaterdepth,thedepthofaschool,orevensinglesh.

Youcanclickontheline,andthendragitupor
down.

ThevariabledepthlineisenabledintheEchogram
dialogontheActivemenu.

→Howtoestablishhorizontalmarkersonpage62

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SimradES70

RangeOtherlines

ThisfeatureisusedwhenyousetupyourES70withbothasurfacerelatedandbottom
relatedechogramshownsimultaneously.

Whenenabled,twohorizontallinesinthesurface
echogramindicatetherangeselectedinthebottom
echogram.

Therangeotherlinesfunctionisenabledinthe

EchogramdialogontheActivemenu.

→Howtoestablishhorizontalmarkersonpage62

Biomassline

Thebiomassmaybemonitoredusingthebiomassline.

Thebiomasslineisanextrathickbrightly
colouredlinethatisaddedtotheechogram.The
linewillidentifythevariationsinbiomass.To
adjusttheview,usethescale.

ThebiomasslineisenabledintheEchogram
dialog.

→Biomassinformationpaneonpage44

→Howtoestablishhorizontalmarkersonpage62

Rangescales

RangescalesintheechogramcanbeenabledintheEchogramdialog.

→Howtoestablishhorizontalmarkersonpage62

Verticalticks

WhenenabledintheEchogramdialog,thisfunctionplacesverticalmarkersonthe
echogram.

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Displayviews

•Time:Thisoptionplacesashortverticallineisdrawnintheupperpartofthe

echogramonceeveryspeciednumberofminutes.

•Distance:Thisoptioninsertsashortverticallineisdrawnintheupperpartofthe

echogramonceeveryspeciednumberofnauticalmiles.

Annotations

Annotationsmaybeaddedtotheechogramtopinpointspecialechoes,specialevents,
etc.AnnotationcanbeenteredmanuallyusingtheAnnotationdialog,ortheycanbe
importedfromperipheraldevices.

Inordertoseetheannotationsontheechogram,theymustbeenabledintheEchogram
dialog.

Informationpanes

TheSimradES70offersseverali
datafromtheechogram.Thepanesareopenedandclosedusingthepanebuttonson
theTitleBar.

Note

Someoftheinformationpanesareoptional.Theyarethusnotavailableforuseunlessa
licencecodeisavailable.Inordertoobtainalicence,consultyourlocaldealer .

Aboutinformationpanes

Inordertoopenaninformationpane,youmustrstclickinanechogrampresentationto
makeit“active”.Bydoingthisyouselectfrequencychannel(transducer).Inmostcases,
thedataintheinformationpaneyouopenwillonlybevalidfortheselectedechogram.

Youcanchangethesizeoftheinformationpanetosuityourpreferences,andyoucan
moveitwithintheechogrampresentationitisvalidfor.Tochangeitssize,clickonthe
shadedareainthebottomrightcorner,holdthemousebuttondepressed,anddragto
requestedsize.Tomoveaninformationpane,justclickinsideit,holdthemousebutton
depressed,andmoveittorequestedposition.

n f o r m a t i o n p a n e s toprovideadditionalanddetailed

Theinformationpanesaretransparent,soyoucansafelyplaceapaneontopofthe
echogramwithoutlosingtheinformationbehindit.Thedegreeoftransparencyis
controlledbytheT ransparencybuttonontheDisplaymenu.

Allinformationpanesareprovidedwithsmallbuttonsinthetoprightcorner.

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SimradES70

•Thetoprightbuttonclosestheinformationpane.Notethatyoucanalsoclosethe

paneifyouclickonemoretimeonitsbuttonontheTitleBar.

•Theotherbuttonwillrestoretheinformationpanetoitsoriginalsizeandlocation.

•Someoftheinformationpanesareprovidedwitha“tool”button.Thisbuttonsopens

adialogrelevanttotheinformationshowninthepane.

Depthinformationpane

TheDepthinformationpanedisplaysthecurrentdepthforthechosentransducerand
frequency.

TheToolintheinformationpanebuttonopensthe

BottomDetectordialog.Thisdialogisalsoavailable

fromtheActivemenu.

Toopenthisinformationpane,clicktheDepthiconontheTitleBar.

Biomassinformationpane

TheBiomassinformationpanedisplaysthecurrentbiomasscalculatedforthecurrentset
ofechogram.Onlythebiomasscalculatedforthecurrenttransducerfrequencyisshown.

Note

Biomassisanoptionalfunction.InordertoactivatetheBiomassinformationpane,
youmustobtainalicence.

Echogram:Youcanseebiomassfromthreedifferent

sources.

•UpperEchogram:Thisbiomassvalueiscalculated
fromtheshechoesfromthetopechogramfor
thechosenchannel.Bydefault,thisisasurface
echogram.

•LowerEchogram:Thisbiomassvalueiscalculated
fromtheshechoesfromthebottomechogramfor
thechosenchannel.Bydefault,thisisabottom
echogram.

•Zoom:Thisbiomassvalueiscalculatedfromthesh
echoesfromthecurrentlyzoomedarea.

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Toopenthisinformationpane,clicktheBiomassiconontheTitleBar.

Relatedtopics

•Biomasslineonpage42

•Howtomonitorthecurrentbiomassonpage69

•Aboutbiomassonpage82

BottomHardnessinformationpane

TheBottomHardnessinformationpanedisplaysthecurrentbottomhardnesscalculated
usingthebottomechostrengthinthecurrentechogram.

Displayviews

Note

Bottomhardnessisanoptionalfunction.InordertoactivatetheBottomHardness

informationpane,youmustobtainalicence.

Theverticallineinthehardnesscolourscalepositions
thecurrentping.Thehardnessofthecurrentpingisalso
shownwiththenumericalvalue.

Thebottomhardnesscanalsobeindicatedbyenabling
thebottomhardnesslineintheEchogramdialog.

Thislineusesthesamecolourcodingastheinformationpane,butplacesthisasathick
lineimmediatelyunderthebottomlineintheechogram.

→Hardnesslineonpage90

Toopenthisinformationpane,clicktheBottomHardnessiconontheTitleBar.

ColourScaleinformationpane

TheColourScalepanedisplaysthecurrentcolourscaleyouareusingfortheechogram
presentation.

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SimradES70

Tochangethecolourscale,clickColourSetuponthe

Displaymenu.

Toopenthisinformationpane,clicktheColourScaleiconontheTitleBar.

Youcanlterouttheweakestechoesbymanuallymodifyingthecolourthreshold.

1ClicktheColourScaleiconontheTitleBartoopentheColourScaleinformation

pane.

2Movethecursortotheleftsideofthecolourscale.

Observethatthecursorchangesshapetoadualarrowline.

3Clickontheleftedgeofthecolourscale,anddragtheedgetowardsright.

4Observethattheweakestcoloursareremovedfromthecolourscale,andthusalso

theweakestechoesfromtheechogrampresentation.

Figure5Colourscalesusing12and64colours

12colours

64colours,Echosounder

64colours,Sonar

64colours,Greyscale

64colours,BI500colours

Relatedtopics

•Howtochangethecolourscaleandpresentationpaletteonpage60

•Howtochangethenumberofcoloursintheechogramonpage61

SizeDistributioninformationpane

TheSizeDistributionpaneprovidesavisualindicationonhowlargetheshesinthe
echogramare.Onlytheshesdetectedbythecurrenttransducerfrequencyareshown.

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Displayviews

Note

TheSizeDistributioninformationpaneisonlyavailableifyourES70isequippedwith

oneormoresplitbeamtransceivers.

Toopenthisinformationpane,clicktheSizeDistribution
iconontheTitleBar.

TheSizeDistributioninformationpaneshowsa
histogramofthesingleshechoesdetectedinthe
echogram.Foranaccuratex-axisvalue,placethecursor
onaverticalbarinthehistogram,andreadthevalue
fromthelabel.TheabbreviationTSiscommonlyused.
Itmeans“TargetStrength”,andthisisameasureof
howstrongechotheindividualshesinthecurrent
echogramgenerate.Theechostrengthindicatesthesize
oftheshes.TheSizeDistributioninformationpanethus
providesamathematicalestimateofthesizesofallthe
chosenshspeciesintheechogram.

→SizeDistributioninformationpaneonpage46

Tochangetheshspecies,usetheFishSelectdialog
openedontheSetupmenu.

ThefollowinginformationisprovidedintheSizeDistributioninformationpane.

•Fishspecies:Thecurrentshspecies,asselectedintheFishSelectdialog,isshown.

•Echogram:Youcanseesizedistributionhistogramsfromthreedifferentsources.

–UpperEchogram:Thishistogramiscreatedbasedonshechoesfromthetop

echogramforthechosenchannel.

Bydefault,thisisasurfaceechogram.

–LowerEchogram:Thishistogramiscreatedbasedonshechoesfromthebottom

echogramforthechosenchannel.

Bydefault,thisisabottomechogram.

Ifyouhaveselectedonlyasmallverticalrangeclosetobottom,thehistogram
maybeempty.Thisbecausetheshvolumeissmallduetothelimitedrange
selected,andbecausethetargetstrengthalgorithmmusttakeintoconsideration
otherbottomechoesthansh.

–ZoomEchogram:Thishistogramiscreatedbasedonshechoesfromthecurrently

zoomedarea.

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SimradES70

•Meanvalue:Thelargenumberaboveeachhistogramisthemeanvaluefromthe
tallestbar.TheunitreectsthemodechosenintheSizeDistributiondialog.

Tochangethesettingsinthehistogram,clickSizeDistributionontheActivemenu.

Relatedtopics

•Howtomonitortheshsizedistributiononpage68

FishPositioninformationpane

TheFishPositioninformationpaneshowsthepositionwithinthebeamofthedetected
singleechoesforthecurrentping(largestcircles)andthethreepreviousping(smaller
circles).Thecoloursindicatetheechostrength.

Note

TheFishPositioninformationpaneisonlyavailable
ifyourES70isequippedwithoneormoresplitbeam
transceivers.

Source:Thisisthesourceoftheshposition

information.Intheexample,thesurfaceechogramis
usedtodeterminethelatestshpositions.

Toopenthisinformationpane,clicktheFishPositioniconontheTitleBar.

EchoPositioninformationpane

TheEchoPositionpaneshowsthepositionwithinthebeamofthedetectedsingleechoes
forthecurrentping(largestcircles)andthethreepreviousping(smallercircles).

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Displayviews

Note

TheEchoPositioninformationpaneisonlyavailable
ifyourES70isequippedwithoneormoresplitbeam
transceivers.

Toopenthisinformationpane,clicktheEchoPosition
iconontheTitleBar.

ThisisbasicallythesameviewastheFishPosition.
howevertheechoesarehereviewedfromthesideand
notfromabove.

Source:Thisisthesourceoftheechoposition

information.Intheexample,thesurfaceechogramis
usedtodeterminethelatestechopositions.

Zoominformationpane

TheZoominformationpaneallowsyoutozoominonachosenareaonthecurrent
echogram.

OncetheZoominformationpaneisopened,the
zoomedareaisvisibleasadottedrectangleonthe
echogram.Youcanchangethiszoomedareatoany
sizeandshape,theechoesinsidethezoomedareawill
alwaysbeshownintheZoominformationpane.

AreaFixedT oV essel:Whentherectangularzoomed

areaisestablished,itcaneitherfollowtheechogram
whileitmovestowardstheleft,oritcanstayput.
WhenAreaFixedT oV esselisactive,thezoomedarea
willbepermanentlypositionedontheechogram.The
echoeswillthenrunthroughthearea,andthusalso
throughtheZoominformationpane.

Toopenthisinformationpane,clicktheZoomiconontheTitleBar.

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SimradES70

Figure6Zoomexample

AZoominformationpane

BZoomedarearectangle

Inthisexample,thezoomedarearectangle
ispositioneddirectlyabovetheZoom
informationpane.Ifyouclickonanyofthe
fourcornersoftherectangle,youcandragit
toanysizeandshape.

Historyinformationpane

TheHistoryinformationpanedoesnotusethesamepresentationmethodastheother
panes.Thefunctionallowsyoutoviewpreviouslyrecordedechogramsequences.In
ordertodothis,thecurrent“active”echogramissplitintwo,andtheleftsideisused
todisplaytherecordedhistory.

ClicktheHistoryiconontheTitleBartoenablethisfunction.

Thisfunctionisusedtostoreechogramsonbitmapformat.TheES70willcontinuously
saveechogrampicturestoitsinternalharddisk.Thesecanberecalledonthedisplay.
TheinformationintheHistorypresentationisthesameasontheoriginalechogram
presentation.

Thenumberofhistorylesislimited.Afterreachingthemaximumnumberofles,the
newestechogrampictureoverwritestheoldestone.Thehistoryfunctionstillallowsyou
toquicklylookthroughechogrampicturescoveringseveralhours.

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Figure7Historypresentation

ATheoriginal“active”echogram

presentation

BTheoriginalscopeviewpresentation

CTheHistorypresentation

DClickthisbuttonanddragsidewaysto

scrollthroughtherecordedimages

Thehorizontalwidthofthehistorypresentationcanbeadjustedbyclickingtheright
border,anddraggingitsideways.

Displayviews

Taskbar

TheT askbarislocatedatthebottomofthedisplay.TheT askbarcontainstabstocontrol

theechogrampresentations,aswellastimeanddateinformation.

TheTaskbarcontainsthefollowinginformation:

AScreenCaptures:Thistabhidesthecurrent“live”echogramsfromview,andallows

youtoseetheechogramimagesyouhavepreviouslysavedusingtheScreenCapture
buttonontheTitleBar.Theechogramsarepresentedinagraphicbrowser.Youcan
openanyoftheimagesforacloserstudy ,oryoucanaccessthelesdirectlyby
clickingtheOpenImageFolderbutton.

→Operationbuttonsonpage31

→Screencapturesonpage52

BPresentationformatIfonlyoneactivefrequencychannelisinuse,youwillhave

onlyoneechogram.Thesetabsarethennotshown.

•V ertical:Thistabplacesyourcurrentechogramsnexttoeachotherinavertical
presentation.

•Horizontal:Thistabplacesyourcurrentechogramsontopofeachotherina
horizontalpresentation.

CTransducerpresentationThesetabswillreecttheactualtransducersusedbythe

echosounder.Thetwotransducersshownherearejustanexample.Ifonlyone
transducerisinuse,youwillhaveonlyoneechogram.Thesetabsarethennot
shown.

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SimradES70

•ES38:Thistaballocatestheechosounderpresentationtoonlyshowthe
echogramfromthistransducer.

•ES120:Thistaballocatestheechosounderpresentationtoonlyshowthe
echogramfromthistransducer.

DDate:Thiseldonthestatusbarpresentsthecurrentdate.Notethatduringreplay ,

thedateofthereplayleisshown.An“R”isdisplayedinfrontofthedateto
identifythis.

ETime:Thiseldonthestatusbarpresentsthecurrenttime.Notethatduringreplay,

thetimesinthereplayleisshown.

Relatedtopics

•Howtoselectpresentationlayoutonpage60

Screencaptures

TheES70providesabuilt-inscreencapturefunction,andabrowsertoviewthesaved
images.

Figure8Screencapturebrowser

Tosaveanechogram,clicktheScreenCapturebuttonontheTitleBar.

Toviewtherecordedimage,clickScreenCaptureontheTaskbartoopentheimage
browser.

ClickOpenImageFoldertoopentheoperatingsystemfoldercontainingtheles.This
folderoffersoperatingsystemfunctionalitytoproviderenaming,copying,printing
anddeletingles.

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Operationalprocedures

Operationalprocedures

Thischaptercontainsseveraloperationalproceduresexplaininghowyoucanputyour
ES70Fishndingechosoundertouse.

Note

TheseproceduresassumethatyouarefairlyfamiliarwiththeMicrosoftWindows
operatingsystem.PhrasesandterminologyareconsistentwiththeMicrosoftstyleguide.
Theproceduresalsoassumethatyouoperatetheechosounderwithamouseortrackball.

Topics

•Gettingstarted

–PowerOn/Offproceduresonpage13

–Howtochooseoperationalmodeonpage16

–Howtocheckthetransceiverandtransducersettingsonpage16

–Howtocheckthebottomdetectorsettingsonpage17

–Howtocheckthecolourscalesettingsonpage17

–Howtocheckthesizedistributionandshpositionsettingsonpage18

–Howtochecktheechogramsettingsonpage19

–Howtochecktherangesettingsonpage21

•Operation

–Howtochangethepingrateonpage54

–Howtosaveanechogramonpage56

–Howtosaverawechogramdataonpage57

–Howtoplaybackechogramsequencesonpage59

•Views

–Howtochangethesizeofthepresentationeldsonpage60

–Howtoselectpresentationlayoutonpage60

–Howtochangethecolourscaleandpresentationpaletteonpage60

–Howtochangethenumberofcoloursintheechogramonpage61

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SimradES70

•Echograms

–Howtoselectechogrampresentationonpage62

–Howtoestablishhorizontalmarkersonpage62

–Howtoestablishverticalmarkersonpage63

–HowtoselectTVGgainonpage63

–Howtoremoveinterferenceandvessel’ sownnoisefromtheechogramsonpage64

–Howtoeasieridentifythebottomonpage65

•Range

–Howtochoosetheverticalrangeonpage65

–Howtochoosethestartrangeonpage66

•Bottomdetection

–Howtodenemaximumandminimumdepthonpage67

•Sizedistribution,biomassandshdensity

–Howtomonitortheshsizedistributiononpage68

–Howtoadjusttheshlengthforcorrectcalculationsonpage69

–Howtomonitorthecurrentbiomassonpage69

•Gain

–Howtoadjustthesignalgainonpage70

–HowtoadjusttheTVGgainonpage71

•Powerandpulseduration

–Howtochoosepassivemodeonpage72

–Howtochangetheoutputpoweronpage72

–Howtoadjustthepulsedurationonpage73

Arethereanyproceduresmissing?Areyouperforminganoperationthatwehavenot
explained?Writeane-mailtos
includetheprocedureinthenextversionofthismanual.

i m r a d . s u p p o r t @ s i m r a d . c o m andask.W emaythen

Operation

Theseproceduresarerelatedtothebasicuseoftheechosounder.

Howtochangethepingrate

ThePingrateistheparameterthatcontrolshowoftentheechosoundershalltransmit
acousticenergy(a“ping”)intothewater.

Ifyouobserveapelagicechoonthesounder,anditseemstofollowthebottomcontour,
itmayinfactbeafalseechofromtheprevioustransmission(“ping”).Theonlyway
toremovethisfalseechoistoreducethepingrate.Ifyoudothis,alltheechoesfrom
thepreviouspingwillhavedisappearedbeforeyoutransmitthenext.Onoldpaper

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Operationalprocedures

basedechosoundersthepenspentalongtimeontherearsideofthepapertray,andthat
reducedthepingrate.TheES70isal

o t faster,andyoumaysendoutapingevenbefore

theenergyfromthepreviouspinghasdisappeared.

1ClicktheOperationiconundertheMainmenutoopentheOperationsub-menu.

2ClickPing,andselectOn.

Thetwoiconsprovidedbythisbuttoncanalsobeusedtoenableordisable
transmission.

•Thelefticon(darkrectangle)is“Off”.

•Therighticonis“On”.ItisalsousedtoinitiatesinglepingswhenSingleStep
modeisselected.

3Howtochoosemaximumpingrate:

aClickPingMode,andselectMaximum.

ThiswillmaketheES70pingwithmaximumspeed.Thetimebetweeneach
pingisautomaticallydeterminedbythecurrentdepthandpulseduration.

4Howtodeneapinginterval:

aClickPingMode,andselectInterval.

bClickPingInterval,andselectthetime(inmilliseconds)betweeneachping.

5Howtotransmitsinglepings:

aClickPingMode,andselectSingleStep.

bToinitiateasingleping,clickonceontherighthandicononthePingbutton.

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SimradES70

Howtosaveanechogram

Twowaystosaveechograms

•YoucanusetheScreenCapturebuttonontheTitleBar.Everytimeyouclickthis
buttonthecurrentechogramissavedasaJPGle.

Theadvantagewiththismethodisthatthelesaresmallindividualimagesandeasy
toscrollthrough.However,theimagesarexed,whatwasrecordedintherstplace
cannotbealtered.

•YoucanusetheRecordbuttonontheTitleBar,orontheDisplaymenu,tosaveraw
datasequences.

Everytimeyouinitiatethisfunctionyoustartarecordingprocesswhichsavesthe

sequenceofrawdatafromthetransceiver.Thissequencecanbereplayedlater.

Theadvantagewiththisfunction–savingrawdatasequences–isthatallthe
informationpresentedduringtherecordingaresaved.Thismeansthatyoucanchange
parameterslikeTVG,range,etc.duringtheplayback.However,thelesarelarge,
andplaybackmaybeatimeconsumingtask.

→Howtosaverawechogramdataonpage57

Howtosavesingleechograms

1ClicktheScreenCapturebuttonontheTitleBartosavethecurrentechogram.

Howtoretrieveasavedechogram

1OntheT askbar,clickScreenCaptures.

Observethatthebuilt-inimagebrowserstarts.Allthecurrentlysavedechogram
imagesareshownasminiatures.

→Operationbuttonsonpage31

2Double-clickontheminiatureyouwishtosee.

3ClickReturnToBrowsertoclosetheimage.

Howtocopyanddeleteechogramles

1OntheT askbar,clickScreenCaptures.

Observethatthebuilt-inimagebrowserstarts.Allthecurrentlysavedechogram
imagesareshownasminiatures.

→Operationbuttonsonpage31

2Intheimagebrowser,clickOpenImageFolder.

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3Tocopyale:

aConnectaUSBmemorydevicetooneofthecomputer’sUSBsockets.

bSelectthele.

cRight-clicktoopentheshort-cutmenu.

dClickSendtoandselectthememorydevice.

4Todeleteale:

aSelectthele.

bRight-clicktoopentheshort-cutmenu.

cClickDelete.

5Toprintale:

aSelectthele.

bRight-clicktoopentheshort-cutmenu.

Operationalprocedures

cClickPrint.

Notethatthisfunctionwillsendtheimagetothedefaultprinterusingdefaultprint
parameters.Ifyouwishtoapplymorecontroltotheprintingprocess,youmustcopy
theechogramimagetoanothercomputer,andopenitwithasuitableeditor.

Howtosaverawechogramdata

Twowaystosaveechograms

•YoucanusetheScreenCapturebuttonontheTitleBar.Everytimeyouclickthis
buttonthecurrentechogramissavedasaJPGle.

Theadvantagewiththismethodisthatthelesaresmallindividualimagesandeasy
toscrollthrough.However,theimagesarexed,whatwasrecordedintherstplace
cannotbealtered.

•YoucanusetheRecordbuttonontheTitleBar,orontheDisplaymenu,tosaveraw
datasequences.

Everytimeyouinitiatethisfunctionyoustartarecordingprocesswhichsavesthe

sequenceofrawdatafromthetransceiver.Thissequencecanbereplayedlater.

Theadvantagewiththisfunction–savingrawdatasequences–isthatallthe
informationpresentedduringtherecordingaresaved.Thismeansthatyoucanchange
parameterslikeTVG,range,etc.duringtheplayback.However,thelesarelarge,
andplaybackmaybeatimeconsumingtask.

→Howtosaverawechogramdataonpage57

Thisprocedureexplainshowtostorerawechogramdata.Eachsequenceofrawdata
–oftenregardedasa“line”duringasurvey–containsasetofechogramdatasaved
ondigitalformat.Oncesaved,youcanplaybackthisdatajustasifitwas“normal”
echogramdata.

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SimradES70

Procedure

Note

Rawdatalesareverylarge.Ifyouwishtorecordlargeamountsofechogramrawdata,
makesurethatyouhaveenoughspaceonyouharddisk.

1ClicktheOperationiconundertheMainmenutoopentheOperationsub-menu.

2ClickRecordtoopenthesub-menu.

3ClickFileOutputtoopentheFileOutputdialog.

4IntheFileOutputdialog;

aOntheDirectorytab,denetheleoutputdirectory.

bOntheRawDatatab,clickSaveRawDatatoenablethisexport.

Rawdataaretheechodatareceiveddirectlyfromtheoutputofthetransceiver.
ThedatacanlaterbereplayedontheES70.Thedatacontainsampledata,echo
soundercongurationdata,navigationdata(NMEAformat)andannotations
(ifany).

cDeneanyotherparameterstotyourrequirements.

5ClickOKtosavethecurrentsettingsandclosethedialog.

6Tostartrecording,youhavetwochoices:

aIntheRecordbutton,selectOn.

bOntheTitleBar,clicktheRecordbutton.

Whenactivated,theRecordbuttonisred.

→Operationbuttonsonpage31

7Tostoprecording,youhavetwochoices:

aIntheRecordbutton,selectOff.

bOntheTitleBar,clicktheRecordbutton.

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Operationalprocedures

Whennotactivated,theRecordbuttonisblack.

→Operationbuttonsonpage31

Howtoplaybackechogramsequences

Youcansaveechogramsitwoways.Bitmapimagesaresavedcontinuously,andthese
canberecalledbymeansoftheScreenCapturebuttonontheTaskbar.Echogram
sequencesarerecordedusingtheRecordfunctionontheOperationmenu.These
sequencesareplayedbackbyplacingtheES70inReplaymode.

1ClicktheOperationiconundertheMainmenutoopentheOperationsub-menu.

2ClicktheOperationbuttontoopenitssub-menu.

3ClickReplayFiletoopentheReplayFiledialog.

TheReplaydialogisusedtondthelestobereplayed.Thelenamesare
generatedautomatically,andeachleisidentiedwiththetimeanddateitwas
made.

Ifyouwishtorunthereplaycontinuously,clickLoopintheReplayFiledialog.

4IntheOperationsub-menu,clickReplaytoselectthefunction.

ObservethattheReplaybaropens.

→Replaybaronpage36

5ClickthestartbuttonintheReplaybartostarttheplayback.

6Tostoptheplayback,clickthestopbuttonintheReplaybar,orgobacktoNormal

mode.

Views

Theseproceduresexplainhowtocontrolthepresentationsonthedisplay.

Relatedtopics

•Aboutrangeselectiononpage87

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SimradES70

•Aboutdynamicrangeanddisplaypresentationonpage84

Howtochangethesizeofthepresentationelds

Youcanmodifythesizeofeachindividualeldintheechosounderpresentation.The
contentinaeldthatchangessizewillautomaticallyadjusttotakefulladvantageof
thespaceavailable.Bymeansofthisfunctionalityyoucanforexampleincreasethe
charactersizeofthedepthvalue.

1Movethecursortotheborderlinebetweentwoelds.Observethatthemarker

changesform;itwillappearastwoparallellineswitharrowspointingout.

2Clickontheleftmousebutton,andkeepitdepressed.

3Movethemouse–orrollthecontrolwheel–andobservethattheborderlinemoves.

4Releasethemousebutton.

Howtoselectpresentationlayout

Youechosoundermaybesetupwithoneormorefrequencies(channels).TheLayout
dialogandtheT askbarallowsyoutocontrolwhichchannelsyoucanseeonthedisplay,
andhowtheyarepresented.

1ClicktheDisplayiconundertheMainmenutoopentheDisplaysub-menu.

2ClickLayouttoopentheLayoutdialog.

TheLayoutdialoglistsallyouractivechannels,Y oucanenableordisablethe
presentationofindividualchannels.

3Inordertocontrolthehorizontalorverticalpresentationwhenyouhavetwoor

moreechograms,usethebuttonsontheT askbar.

•Horizontalforahorizontalpresentation

•Verticalforaverticalpresentation

•[Transducername]toseeonlytheechogramforthechosentransducer

→Taskbaronpage51

Howtochangethecolourscaleandpresentationpalette

Bydefaultyouhave64or12coloursavailabletopresenttheechograms,andaselection
ofpalettes.ThecolourscalecanberetrievedanytimebyclickingtheColourScale
iconontheTitleBar.

WhichcolourscaletouseisdenedintheColourSetupdialogontheDisplaysub-menu.

→TitleBaronpage30

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→ColourScaleinformationpaneonpage45

1ClicktheDisplayiconundertheMainmenutoopentheDisplaysub-menu.

2ClickColourSetuptoopentheColourSetupdialog.

3Selectpaletteandechogramcolourstosuityourrequirements

4ClickOKtosavethecurrentsettingsandclosethedialog.

Howtochangethenumberofcoloursintheechogram

Bydefaultyouhave64or12coloursavailabletopresenttheechograms,andaselection
ofpalettes.ThecolourscalecanberetrievedanytimebyclickingtheColourScale
iconontheTitleBar.

WhichcolourscaletouseisdenedintheColourSetupdialogontheDisplaysub-menu.

→TitleBaronpage30

→ColourScaleinformationpaneonpage45

Youcanlterouttheweakestechoesbymanuallymodifyingthecolourthreshold.

1ClicktheColourScaleiconontheTitleBartoopentheColourScaleinformation

pane.

2Movethecursortotheleftsideofthecolourscale.

Observethatthecursorchangesshapetoadualarrowline.

3Clickontheleftedgeofthecolourscale,anddragtheedgetowardsright.

4Observethattheweakestcoloursareremovedfromthecolourscale,andthusalso

theweakestechoesfromtheechogrampresentation.

Echogram

Theseproceduresexplainthevariousparameterscontrollingtheechogram.

Relatedtopics

•Aboutrangeselectiononpage87

•Aboutdynamicrangeanddisplaypresentationonpage84

•Aboutbottomslopesonpage87

•AboutTVGgainonpage83

•Aboutbottomlinesonpage89

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Howtoselectechogrampresentation

OntheES70youcanchoosefromseveralechogrampresentations.

1ClicktheActiveiconundertheMainmenutoopentheActivesub-menu.

2ClickEchogramtoopentheEchogramdialog.

3OntheEchogramtab,chooseEchogramT ype.

Thefollowingechogramtypesareavailable:

•Surface:Theechogramisrelatedtotheseasurface.Startdepth(upperechogram
boundary)andverticalrange(acrossechogram)aremanuallyselectedbythe

StartDepthandRangebuttonsontheMainmenu.

•Bottom:Theechogramisrelatedtothedetectedbottom.Stopdepth(lower
echogramboundary)andverticalrangearemanuallyselectedbytheStartDepth
andRangebuttonsontheMainmenu.Theechogramisonlydrawnforpings
havingasuccessfulbottomdetection.

•Pelagic:ThisechogramisnearlyidenticaltotheSurfaceechogram.However,
thebiomasscalculationsarenotrestrictedbythebottomdetection.Thismeans
thatthebottomechowillbeincludedincalculationsifitappearswithinthe
chosenrange.

Example:Ifyouareinvestigatingalargeschoolofpelagicsh,settheStart

RangeandRangetoenclosetheschool.Iftheschoolislargeenough,aSurface

echogrammaymistakeitforbottom,andthebiomassreadingswillbewrong.
ThePelagicechogramwillhoweverdisregardthebottomdetection,andgivea
correctestimateofthebiomass.

•T rawl:Trawlsensorsystemscommunicateheadropedepthand
headrope-to-footropedistancetotheES70atregularintervals.Theechogram
coverstheverticalopeningofthetrawlincludingasmallmarginateachside.
Theheadropeandfootropemarginsareidentical.Thebiomasscalculationsare
notrestrictedbythebottomdetection.

Note

Thechosenechogramtypewillonlyapplytothecurrentlyselected“active”
echogram.Ifyouwishthechangestoapplytoallsimilarechograms,clickApply

ToAll.

4ClickOKtosavethecurrentsettingsandclosethedialog.

Howtoestablishhorizontalmarkers

Arangeofhorizontalmarkerscanbeenabledordisabled.

1ClicktheActiveiconundertheMainmenutoopentheActivesub-menu.

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2ClickEchogramtoopentheEchogramdialog.

3OntheLinestab,observethevariousmarkersthatcanbeenabled.

•BottomLine

•WhiteLine

•HardnessLine

•TrawlLines

•VariableDepthline

•RangeOtherlines

•Biomassline

•Scalelines

→Lines,markersandannotationsintheechogramsonpage40

4Enablethelinesyouwishtosee.

NotethattheWhiteLineandtheHardnessLinecannotbeusedsimultaneously.

5ClickOKtosavethecurrentsettingsandclosethedialog.

Howtoestablishverticalmarkers

Arangeofverticalmarkerscanbeenabledordisabled.

1ClicktheActiveiconundertheMainmenutoopentheActivesub-menu.

2ClickEchogramtoopentheEchogramdialog.

3OntheLinestab,observethevariousverticalmarkersthatcanbeenabled.

•Time

•Distance

•Annotations

TheannotationsarecontrolledontheAnnotationdialog,buttoplacethe
annotationsontheechogram,youmustenablethemintheEchogramdialog.

→Lines,markersandannotationsintheechogramsonpage40

4Enabletheverticalmarkersyouwishtosee.

5ClickOKtosavethecurrentsettingsandclosethedialog.

HowtoselectTVGgain

IntheEchogramdialogyoucanchoosewhichTVGgainyouwishtouse.

TheTVGcanbechosenusingtheEchogramdialog(describedhere),orwiththeTVG
buttonontheActivesub-menu.

→HowtoadjusttheTVGgainonpage71.

1ClicktheActiveiconundertheMainmenutoopentheActivesub-menu.

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2ClickEchogramtoopentheEchogramdialog.

3OntheEchogramtab,observethevariousTVGsettingsthatcanbeapplied.

•Power(NoTVG):TVGgainisnotimplemented.Thissettingishardlyeverused.

•School(20logTVG):Thisgainsettingprovidesthelargestamplicationcloseto
thebottom.Ithasbeendesignedtoprovidethebestechoesfromschools.

•Fish(40logTVG):Thisgainsettingprovidesloweramplicationclosetothe
bottom.Ithasbeendesignedtoprovidethebestechoesfromsinglesh.

•T argets(40logTVG):Basically,thissettingusesthesameTVGamplicationas

Fish,butadditionallteringisimplemented.Onlyechoesdetectedandinterpreted

assingleshareshown.Theechoesarecompensatedfortheirphysicalposition
inthebeam(beamcompensation).Thismeansthatshintheouterregionofthe
beamareadjustedtocorrectsizeeventhoughtheirechoesareweaker.

[6]

•T argetMix(40logTVG):Basically,thissettingusesthesameTVGamplication
asFish,butadditionalbeamcompensationisimplemented.Echoesdetected
andinterpretedassingleshareadjustedtotheircorrectsizeaccordingtotheir
physicalpositioninthebeam.

[7]

•User(V ariableTVG):ThissettingallowsyoutodeneyourownTVGsetting.

→AboutTVGgainonpage83

4ChooseyourTVGsetting.

Notethatthechangesmadeinthistabwillbedefaultonlybeappliedtothe
currentlyselected“active”echogram(identiedwithathickborder).Ifyouwish
toapplythechangestoalltheotherechogramsofthesametype(forexampleall
bottomrelatedechograms,clickApplyToAll.

5ClickOKtosavethecurrentsettingsandclosethedialog.

Howtoremoveinterferenceandvessel’sownnoisefrom
theechograms

TheActivesub–menuoffersadedicatedltertoremoveinterferenceandnoisefrom
yourownvessel.Thislterhasbeendevelopedforoursonars,andhasprovento
beveryuseful.

1ClicktheActiveiconundertheMainmenutoopentheActivesub-menu.

2ClickPing-PingFilter,andmaketheadjustmentstotyourrequirements.

•Off:Noltering

6.NotethatthisT argets(40logTVG)settingisonlyfunctionalwithsplitbeamtransducers.

7.NotethatthisT argetMix(40logTVG)settingisonlyfunctionalwithsplitbeamtransducers.

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•2of3:Forthecurrentechopixeltobeshown,theechopixelfromatleastoneof

thetwopreviouspingsmusthaveacolourvaluedifferentfromthebackground.

•2of2:Forthecurrentechopixeltobeshown,theechopixelfromtheprevious

pingmusthaveacolourvaluedifferentfromthebackgroundtobeshown.

•3of3:Forthecurrentechopixeltobeshown,theechopixelfromthetwo

previouspingsmusthaveacolourvaluedifferentfromthebackgroundtobe
shown.

Howtoeasieridentifythebottom

TheEchogramdialogallowsyoutoenablebottomlineorwhitelinetoeasieridentify
thebottom.

1ClicktheActiveiconundertheMainmenutoopentheActivesub-menu.

2ClickEchogramtoopentheEchogramdialog.

3OntheLinestab,observethevariouslinesthatcanbeapplied.

→Aboutbottomlinesonpage89

4ClickOKtosavethecurrentsettingsandclosethedialog.

Ranges

Theseproceduresexplainhowtochangetheverticalrange,thatishowtocontrolthe
depthtobeshownbytheechogram.

Relatedtopics

•Aboutrangeselectiononpage87

•Aboutbottomslopesonpage87

•Aboutbottomlinesonpage89

Howtochoosetheverticalrange

TheverticalrangeiscontrolledbytheRangebuttonontheMainmenu.

Forexamplesettings,seeHowtochoosethestartrangeonpage66.

1Method1:

aClick[+]or[-]toadjusttherangemanually.

2Method2:

aClickthemiddleofthebuttontoopenit.

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bClickanyrangevalue(includingAutowhenavailable)toselectit.

Howtochoosethestartrange

TheverticalstartrangeiscontrolledbytheStartRangebuttonontheMainmenu.

1Method1:

aClick[+]or[-]toadjustthestartrangemanually.

2Method2:

aClickthemiddleofthebutton,holdthemousebuttondepressed,anddrag

sideways.

3Method3canonlybeusedifyouhaveakeyboard:

aClickthemiddleofthebuttontoopenit.

bEnteranyvaluefromthekeyboard.

Example:Inasurfaceechogram,settheStartRangevalueto0meters.Thiswillmake
theechogramstartfromtheseasurface(providedthatthetransduceroffsethasbeen
dened).SetRangetothecurrentdepthplus20meters.Theechogramwillnowshow
theareafromtheseasurfaceanddownto20meters“below”thebottom.Thebottom
contouriseasilydetectedwhenthedepthchanges.

Example:Inabottomechogram,settheStartRangevalueto–5meters.Thiswillmake
theechogramstartfrom5metersabovethebottom.SetRangetothe5metersplus10=
15meters.Theechogramwillnowshowtheareafrom5metersabovethedepth,and
downto10meters“below”thebottom.Thebottomcontourwillappearasaatline.

Example:Inasurfaceechogram,settheStartRangevalueto10meters.Thiswillmake
theechogramstartfrom10metersbelowtheseasurface(providedthatthetransducer
offsethasbeendened).SetRangetothecurrentdepthplus20meters.Theechogram
willnowshowtheareafrom10metersbelowtheseasurface,anddownto10meters
“below”thebottom.Thebottomcontouriseasilydetectedwhenthedepthchanges.

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Example:Inapelagicechogram,settheStartRangevalueto20meters.Thiswillmake
theechogramstartfrom20metersbelowtheseasurface(providedthatthetransducer
offsethasbeendened).SetRangeto40meters.Theechogramwillnowshowthearea
from20metersbelowtheseasurface,anddownto60metersbelowthetransducer.
Providedthatthedepthislargerthan60meters,thebottomcontourisnotshown.

Bottomdetection

Theseproceduresexplainhowyoucancontrolthebottomdetection.

Relatedtopics

•Aboutrangeselectiononpage87

•Aboutbottomslopesonpage87

Howtodenemaximumandminimumdepth

WhenyouusetheES70itisveryimportantthattheechosounderdetectsand“locks”on
thecorrectdepth.Normallythiswillhappenautomatically,butcertainseaorbottom
conditions,ortheappearanceoflargeschoolsofsh,may“fool”thesounder.Whenthe
bottomisundetectedyouwillread0.00metersdepth,oranyothererroneousvalue.In
ordertoguidetheES70tolocatethecorrectdepth,youmaysometimesndituseful
tofollowthisprocedure.

1ClicktheActiveiconundertheMainmenutoopentheActivesub-menu.

2ClickBottomDetectortoopentheBottomDetectordialog.

3EnteraMinimumDepth.

Thissettingeliminatesallunwantedbottomdetectionsfromthetransducersurface
anddowntothedeneddepth.Afalsebottomdetectionwithinthisareawould
causeerroneousdepthread-outandincorrectbottomexpansion.

4EnteraMaximumDepth.

Setthisdepthtoapproximately50%morethantheexpecteddepth.Iftheecho
soundershouldloosebottomdetectionduetoairorotherdisturbances,itwilltryto
relocatethedepthwithintheminimumandmaximumdepthsyouhavedened.Do
notexaggerate.Ifyouforexampleenter5000metersandthebottomtrackislost,
theechosounderwillsearchtheentiredepthfornewbottomlock.Thiswilltakea
lotoftime,andalotofinformationwillbelostduringthesearch,especiallyduring
roughseaconditionswithairbeingforcedunderthehull.

5ClickOKtosavethecurrentsettingsandclosethedialog.

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Ifyousetmaximumdepthtoavalueidenticalorsmallerthantheminimumvalue,the
bottomdetectionalgorithmwillbedisabled.Theechosounderwillthennotbeableto
detectthebottomatall,andthedisplayeddepthwillbe0.00m

Sizedistribution,biomassandshdensity

Ifyouusea“splitbeam”transduceronyourES70theechosounderwillyouprovideyou
withinformationaboutthesizedistributionanddensityoftheshbeneaththehull.

Relatedtopics

•Aboutbiomassonpage82

Howtomonitortheshsizedistribution

ThesizedistributionispresentedusingtheSizeDistributioninformationpane.

→SizeDistributioninformationpaneonpage46

1ClicktheSizeDistributioniconontheTitleBartoopentheinformationbar.

2Tochangethesizeoftheinformationpane,clickinthebottomrightcorner,hold

themousebuttondepressed,anddrag.

3Clickonthehistogramtitlestoseetherelevantpresentations.

4Tochangethepresentationparameters:

aClickthetoolbuttoninthetoprightcorneroftheinformationpanetoopen

theSizeDistributiondialog.

ThedialogcanalsobeopenedfromtheActivesub-menu.

bMakethenecessaryadjustments.

cClickOKtosavethecurrentsettingsandclosethedialog.

5Tochangetheshspecies:

aClicktheSetupiconundertheMainmenutoopentheSetupsub-menu.

bClickFishSelecttoopentheFishSelectdialog.

cMakethenecessaryadjustments.

dClickOKtosavethecurrentsettingsandclosethedialog.

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Howtoadjusttheshlengthforcorrectcalculations

TheES70measuresandrecordsthetargetstrength(TS).Theresearchersatthe
NorwegianInstituteforFisheryResearchhavecompiledasetofalgorithmsbasedon
extensivetestingwiththevariousspecies,andtheseareusedbytheES70tocalculatethe
lengthoftheshbasedonitstargetstrength.However,thetargetstrengthdiffersbetween
thevariousspecies.Ifyoundoutthatthelengthoftheshyouhavecaughtdiffers
fromtheinitialpresentation,youcanadjustthealgorithmsusedtocalculatethelength.

1ClicktheSetupiconundertheMainmenutoopentheSetupsub-menu.

2ClickFishSelecttoopentheFishSelectdialog.

3Makethenecessaryadjustments.

4ClickOKtosavethecurrentsettingsandclosethedialog.

Note

Payspecialattentiontomackerel,asthisshhasaverylowtargetstrength.Mackerel
canoftenbemistakenforsmallbait.Ifyoushformackerel,werecommendthatyou
use120kHzor200kHzechosounderfrequencies,asthemackerelshowslargestecho
strengthforthesefrequencies.

Howtomonitorthecurrentbiomass

ThebiomassispresentedusingtheSizeDistributioninformationpane,and/orenabling
thebiomasslineintheechogrampresentation.

→Biomasslineonpage42

→Biomassinformationpaneonpage44

Informationpane

1ClicktheSizeDistributioniconontheTitleBartoopentheinformationbar.

2Tochangethesizeoftheinformationpane,clickinthebottomrightcorner,hold

themousebuttondepressed,anddrag.

3Clickonthehistogramtitlestoseetherelevantpresentations.

Biomassline

1ClicktheActiveiconundertheMainmenutoopentheActivesub-menu.

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2ClickEchogramtoopentheEchogramdialog.

3OntheLinestab,observethatthebiomasscanbeenabledordisabled,andthatyou

candeneascaleforit.

4Makethenecessaryadjustments.

5ClickOKtosavethecurrentsettingsandclosethedialog.

Gain

Theseproceduresexplainhowyoucanadjustthegainintheechosounder.Thiscontrols
how“powerful”theechoesareshownintheechogram.TheES70usestwoprinciples
forgain;signalamplicationandtimevariedgain(TVG).

•Howtoadjustthesignalgainonpage70

•HowtoadjusttheTVGgainonpage71

Relatedtopics

•AboutTVGgainonpage83

•Aboutdynamicrangeanddisplaypresentationonpage84

Howtoadjustthesignalgain

1ObservetheGainbuttonontheMainmenu.

2Method1:

aClick[+]or[-]tochoosegain.

3Method2:

aClickthemiddleoftheGainbutton,holdthemousebuttondepressed.

bdragthecursorleftorrighttoincreaseordecreasethegain.

4Method3canonlybeusedifyouhaveakeyboard:

aClickthemiddleoftheGainbuttontoopenthesub-menu.

bEntertherequestedgainvaluebetween20and120.

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HowtoadjusttheTVGgain

TVGmeansTimeV ariedGain.ThewholeideawithTVGisthatechoesfromshshall
havethesameecholevel(colour)independentoftheirdepths.TheES70hasaTVG
rangedownto15000meters,whichforallpracticalpurposesisunlimited.TheES70
doesnothaveaTVGcompensatedreceiverlikemostotherechosounders.Inthe
ES70theTVGisimplementedinsoftwareaftertheechoesfromthereceiver(s)have
beenconvertedtodigitalformat.Inordertomakethisworkthereceivermusthave
verylargedynamicrange.

TheTVGcanbechosenusingtheEchogramdialog,orwiththeTVGbuttononthe

Activesub-menu(describedhere).

→HowtoselectTVGgainonpage63

1ClicktheActiveiconundertheMainmenutoopentheActivesub-menu.

2LocatetheTVGbutton.

3Method1:

aClick[+]or[-]tochooseTVGsetting.

4Method2:

aClickthemiddleoftheTVGbuttontoopenthesub-menu.

bClickonanyTVGsettingtoselectit.

Powerandpulseduration

Theseproceduresexplainhowtocontroltheechosounder’soutputpowerand
transmissionpulseduration.

Relatedtopics

•Aboutoutputpoweronpage85

•Aboutpulsedurationonpage85

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Howtochoosepassivemode

Inordertocheckhowmuchnoisetheechosounderisreceiving,setittopassivemode.
Thismeansthattheechosounderisnottransmittingsoundpulsesintothewater,it
isonly“listening”.

1ClicktheOperationiconundertheMainmenutoopentheOperationsub-menu.

2ClickNormalOperationtoopentheNormalOperationdialog.

3Fortherelevanttransducerchannel,setModetoPassive.

4ClickOKtosavethecurrentsettingsandclosethedialog.

Note

TheT estmodeisonlyprovidedfortroubleshootingandtestpurposes.

Howtochangetheoutputpower

Fromtimetotimeitmaybeusefultoreducetheechosounder’soutputpower.Areduced
poweroutputmayprovebenecialifyouarelookingforsingleshesorschoolsnearthe
surface,ifyouworkinveryshallowwaters,ifyouarebotheredwithfalseechoesdueto
reverberation,orifyousimplyfeelthattheechoesaretoostrong.

1ClicktheOperationiconundertheMainmenutoopentheOperationsub-menu.

2ClickNormalOperationtoopentheNormalOperationdialog.

3Fortherelevanttransducerchannel,setPower[W]torequestedvalue.

→Aboutoutputpoweronpage85

4ClickOKtosavethecurrentsettingsandclosethedialog.

Note

Ifyouincreasetheoutputpower ,makesurethatyoudonotchoosemorepowerthanyour
transducercanhandle.Withacorrectsetupwiththetransducerregisteredintheecho
soundersoftwareyouaresafeguardedagainstthis.However ,ifyouuseathirdparty
transducerthatisnotknownbytheechosoundersoftware,youmayinictpermanent
damageifyouincreasetheoutputtobeyondthetransducer’ scapabilities.

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Howtoadjustthepulseduration

Thelengthofyourtransmittedpulseisveryimportanttohowyoucandetectsh.A
shortpulsedurationgivesyouaveryneverticalresolution.Thisallowsyoutodetect
scatteredsh,andyoucanndthosethatmovenearthebottom.Alongpulseduration
throwsalotmoreenergyintothewater,andthedigitalltersusedbythereceiverare
narrower.TheselterswillreducetheES70’ssensitivityfornoise,butthelengthofthe
transmittedpulsewillgiveyoustrongerechoes.Withthelters,alongerpulseduration
willprovidelongerrange,butreducedverticalresolution.

1ClicktheOperationiconundertheMainmenutoopentheOperationsub-menu.

2ClickNormalOperationtoopentheNormalOperationdialog.

3Fortherelevanttransducerchannel,setPulseLengthtorequestedvalue.

Forgeneraluse,werecommendthatthepulsedurationissettoAuto.

→Aboutpulsedurationonpage85

4ClickOKtosavethecurrentsettingsandclosethedialog.

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Themenusystem

MenunavigationemployedbyES70Fishndingechosoundersystemissimilartothe
otherKongsbergMaritimeapplicationswhichfollowthenewuserinterfacestandards
developedbyKongsbergMaritime.Themainmenuisbydefaultlocatedattherightside
ofthescreen.Bymeansofdedicatediconsatthebottomofthemainmenu,youcan
opentherelevantsub-menus.Menuchoicesshownindarkcoloursarenotavailablefor
thecurrentoperationoroperationalmode.

Topics

•Aboutmenusandbuttonsonpage74

•Buttontypesonpage75

•Mainmenuonpage77

•Operationmenuonpage78

•Displaymenuonpage79

•Setupmenuonpage80

•Activemenuonpage81

Aboutmenusandbuttons

TheoperationalnavigationontheES70isdesignedbymeansofmenusandcommand
buttons.

Menuhierarchy

1TheMainmenuprovidestheparametersmostfrequentlyusedduringnormal

operation.

2TheOperationmenucontrolsthemainoperationalparameters.

3TheDisplaymenucontrolsthevisualaspectsofthesystem,suchasparameters

relatedtothedisplaypresentation.

4TheSetupmenuallowsyoutocontrolthecongurationofthesignalprocessing,as

wellassysteminstallationandmaintenance,andtheinterfacestoperipheraldevices.

5TheActivemenuhasitscontentlinkedtothecurrentactiveitem(vieworobject).

Useittoaccessspecialfeaturesavailablefortheselecteditem.

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Figure9Thesub-menuicons

Sub-menuicons(fromleft)

•Operationmenu

•Displaymenu

•Setupmenu

•Activemenu

Buttontypes

Themenusystem

Eachmenucontainsseveralcommandbuttons.Eachbuttonshowsthefunctionofthe
button,someofthemalsodisplaysthecurrentparametersetting.Themajorityofthe
buttonsineachmenueldhavethesefunctions:

•Youcanincreaseanddecreaseparametervaluesbyclickingthebutton.

•Youcanchangeparametervaluesbymovingthecursorsideways.

•Youcanchangeparametervaluesbymeansofthescrollwheelonthemouseor

trackball.

•Youcanenterparametervaluesfromthekeyboard(ifyouhaveone).

•Youcanselectparametervaluefromthebutton’ssub-menu.

•Youcanopenadedicateddialog.

Howtoselectanumericalparameterusingthe+/-buttons

1Movethecursortoeithersideofthebutton,andobservethatthebackgroundcolour

changes.

aClickonthel

bClickonther

e f t sideofthebuttontodecreasethenumericalvalue.

i g h t sideofthebuttontoincreasethenumericalvalue.

Howtoselectanumericalparameterbymovingthecursorhorizontally

1Placethecursoronthemiddleofthebutton.

2Clickandholdtheleftmousebuttondepressed.

3Movethecursorhorizontally:lefttodecreasetheparametervalue,orrightto

increaseit.

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4Releasethemousebuttonwhentherequestedvalueisshown.

Howtoselectanumericalparameterbymeansofthescrollwheel

1Placethecursoronthemiddleofthebutton.

2Spinthescrollwheelineitherdirectiontoincreaseordecreasetheparametervalue.

3Releasethescrollwheelwhentherequestedvalueisshown.

Howtoselectanumericalparameterusingthekeyboard

1Clickthemiddlesectionofthebuttontoopenatexteld.

2Enterthenumericalvalueintothetexteld.

Ifthenumericalvalueexceedsthepermittedrangefortheparameter,theframein
thetexteldwillbered.Y ouwillthennotbeabletoenterthevalue.

3PresstheEnterkey.

Howtoselectaparameterusingasub-menu

1Clickthemiddlesectionofthebuttontoopenasub-menu,thenclicktherequested

parametervalue.

Thechosenvalueisapplied,andthesub-menuisautomaticallyclosed.

2Wheneverapplicable,youcanalsoaccessthesub-menubyclickingtheleftand

rightsideofthebutton,butthismethodwillnotshowyouthemenuchoices.

aClickonthel

e f t sideofthebuttontoselectalowersub-menuchoice.

bClickonther

i g h t sideofthebuttontoselectahighersub-menuchoice.

Howtoselectparametersusingadialog

1Clickanywhereonthebuttontoopenaseparatedialog.

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Mainmenu

ThefollowingfunctionsandparametersareavailablefromtheMainmenu.

•TheUserSettingsdialogallowsyoutosavethe
currentusersettings(parameterselections),andto
retrievepreviouslysavedfactoryorusersettings.

•TheRangefunctionallowsyoutospecifythevertical
rangeofthewatercolumncoveredbytheechogram.
Therangeisdenedfromaselectedstartrange,and
downtoavaluebeneaththecurrentbottomdepth.
Thevalueshownandselectedisbydefaultapplied
onlytothecurrentlyselectedechogram.

•StartRangeallowsyoutospecifythestartdepthof

ThebottomoftheMain
menuholdstheiconsforthe
sub-menus.Clickonone
oftheseiconstoopenthe
requestedsub-menu.Note
thatthemenusystemmaybe
hiddenfromviewifyouclick
theMenubuttonontheT ask

bar.

theechogram,thatisfromwhichdepthinthewater
columnthepresentationshallstart.Thevalueshown
andselectedisappliedtothecurrentlyselected
echogramtype.

•ThepurposeoftheGainfunctionistoadjustthe
echolevelintheechogrampresentations.

Themenusystem

Menubutton

ClickonceontheMenubuttontohidethemenu,andonemoretimetobringitback
again.Whenthemenuishidden,itwilltemporarilybeshownontheleftandrighthand
sideofthedisplayifyoumovethecursortothatposition.

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Operationmenu

ThefollowingfunctionsandparametersareavailablefromtheOperationmenu.

•ThepurposeoftheOperationfunctionistocontrol
theoperationalmodeoftheES70.Y oucansetitto
Normal,ReplayorInactive.

•ThepurposeofthePingfunctionistoenableor
disabletheES70audiotransmissionsintothewater
(“pinging”).

•ThePingModefunctionisusedtocontrolhowoften
theES70shalltransmitsitsenergyintothewater.

•UsethePingIntervalfunctiontochoosethetime(in

HowtoopentheOperation
menu

1Clickonceontheicon

undertheMainmenuto
opentheOperationmenu

milliseconds)betweeneachtransmission(ping)when

PingModeissettoInterval.

•ThepurposeoftheNormalOperationdialogis
toprovideanoverviewofthecurrenttransceiver
parameters,andtoprovideyouwiththeabilityto
changethem.

2Clickonemoretime

ontheicontoclosethe
menu.

•TheRecordfunctionallowsyoutorecordthe
unprocessedtransducersignals,andsavethemonthe
internalharddisk.Thelescanlaterbecopiedor
movedtootherrecordablemedia.

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Displaymenu

ThefollowingfunctionsandparametersareavailablefromtheDisplaymenu.

•ThepurposeoftheColourSetupdialogistocontrol
thepresentationcoloursusedbytheES70.

•ThepurposeoftheScreenBrightnessfunctionis
toadjusttheintensityofthelightgivenoffbythe
display.

•ThepurposeoftheUnitsdialogistocontroltheunit
ofmeasurementsusedbytheES70.

•ThepurposeoftheT ransparencyfunctionisto
adjusthowmuchyouareabletoseethroughthe
informationpanes.

•ThepurposeoftheLanguagefunctionistoselectthe
languagetobeusedonthemenus.

Themenusystem

HowtoopentheDisplay
menu

1Clickonceontheicon

undertheMainmenuto
opentheDisplaymenu

2Clickonemoretime

ontheicontoclosethe
menu.

•ThepurposeoftheLayoutdialogistoarrangethe
locationoftheechogramsonthepresentation,orto
temporarilyhideanyofthem.

•ThepurposeoftheDisplayOptionsdialogisto
controlthelocationofthemenu,whichinformation
tobeprovidedonthetitlebarandthetaskbar,and
whichtooltipstodisplay.

•ThepurposeoftheAboutdialogisshowthecurrent
softwareversion.

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SimradES70

Setupmenu

ThefollowingfunctionsandparametersareavailablefromtheSetupmenu.

•ThepurposeoftheSynchronizationdialogistosetup
theES70tooperatealone,orasamasterorslavein
asynchronizedsystem.Synchronizationisrequired
inordertoavoidinterferenceiftheES70isused
simultaneouslywithotherhydroacousticinstruments
withinthesamefrequencyrange.

•ThepurposeoftheAnnotationdialogistoallow
youtoentercommentsandannotationsintothe
echograms.

•TheparametersintheFishSelectdialogallowsyou
tomodifytheshsizedistributionmanually.

•TheNavigationdialogcontrolshowtheES70
receivesinformationfromexternalsensors.

HowtoopentheSetup
menu

1Clickonceontheicon

undertheMainmenuto
opentheSetupmenu

•TheTrawldialogallowsyoutoenterthemain
parametersrelatedtothetrawl.Trawlinformationis
usedfordisplayofupperandlowertrawllineinthe
echogram.Allreceivedspeeddataarestoredtole
whenrecordingofrawdatatoleisenabled.

2Clickonemoretime

ontheicontoclosethe
menu.

•ThepurposeoftheEthernetOutputdialogisdene
communicationparametersfortheEK500datagram
outputontheEthernetport.

•TheDepthOutputdialogisusedtosetupthe
outputofdepthdatafromtheES70toadedicated
communicationportonaspeciedformat.

•TheInstallationbuttonopensasub-menuwithfour
choices.Y oucandeneenvironmentparameters
relatedtotheseaconditions,setuptheinputsand
outputsfromantoperipheraldevices,setupthe
transceiver,andadministratethesoftwarelicenses.

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Activemenu

ThefollowingfunctionsandparametersareavailablefromtheActivemenu.

•TheEchogramdialogallowsyoutosetupthe
parameterscontrollingtheechogrampresentation.
Thethreetabscontrolthehorizontallines,the
echogramtypewithappliedTVG,andhowfastthe
echogrammovesacrossthedisplay.

•ThepurposeoftheTVGbuttonistoallowyouto
changetheTVGcurveforthereceivedechoes.

•ThePing-PingFilterreducesunwantednoiseand
echoesfromtheechogrampresentation.

Themenusystem

HowtoopentheActive
menu

1Clickonceontheicon

undertheMainmenuto
opentheActivemenu

2Clickonemoretime

ontheicontoclosethe
menu.

•TheBottomGainsettingcontrolsthegainb
detectedbottomdepth.

•TheSizeDistributiondialogallowsyoutosetupthe
parametersforthehistogrampresentedintheSize

Distributioninformationpane.

•ThepurposeoftheBottomDetectordialogisusedto
denetheupperandlowerdepthlimitsmostlikelyto
beusedduringtheES70operation.

e l o w the

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81

SimradES70

Echosoundertheory

Whenyouuseanechosoundertherearesomebasicknowledgethatyoumayndit
usefultopossess.

Topics

•Aboutbiomassonpage82

•AboutTVGgainonpage83

•Aboutdynamicrangeanddisplaypresentationonpage84

•Aboutoutputpoweronpage85

•Aboutpulsedurationonpage85

•Aboutbottomslopesonpage87

•Aboutrangeselectiononpage87

•Aboutbottomlinesonpage89

Aboutbiomass

ProvidedthatyouuseanES70withasplitbeamtransducer,orhaveavalidbiomass
licenseonasinglebeamtransceiver,youwillhaveaccesstotheBiomassinformation
pane.

Thisbiomassvalueisanindicatortohowmuchshyoucurrentlyhaveinthecurrent
echogram,orinthezoomedarea.Everysingleshwillemitanecho,andthesum
ofalltheseregisteredechoesarepresentedasanumber.Smallerorganismssuchas
planktonwillalsoemitechoes,butthesearesoweakthattheywillhardlyinuenceon
thetotalbiomass.

ES70recordsallthetargetsfromthesmallestplanktontothelargestwhale,andprovides
thesendingsasanumber.Forallpracticalpurposesthisnumberwillprovideyouwith
informationabouttheshabundancetoallowyoutodecideifitpaysofftostartshing.
Youmustalsoconsiderifthisnumberisaresultoflargeamountsofplanktonorbait,or
ifthereisrealshbelowthekeel.Thenumberprovidedtodisplayshabundanceis
relative,andaftersomeuseyourexperiencewillbeavaluablefactorwhenthedecision
ismade.

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Echosoundertheory

Thebiomassvalueisalsousedbytheresearchestocalculatehowmuchshthereisin
theocean.Thenalresultisbyfarthevalueprovidedsolelybytheechosounder,as
thenumbersaresubjecttonumerouscalculationsandadjustmentsmadebyexperienced
scientists.Othermeanstoestablishthenalresultaretrawlingandcatchdatafromthe
sherycommunity.Youmayhaveseenthatthisbiomassvaluecanbeverylarge.

Note

IfyouhaveotherechosoundersorsonarrunningasynchronouswiththeES70,theES70
willalsomeasurethetransmitpulsefromthesecondarysystem.Thatwilleffectively
ruinthebiomasscalculations.YoucanremovetheinterferenceusingthePingFilter
functionintheEchogramdialog,buttheES70receiverwillstillpickupthetransmit
pulseandimplementitinthecalculations.Afullsynchronizationofthevariousacoustic
instrumentsisrequired.Ifyourownvesselproducesexcessivenoisethiswillalsobe
takenintothebiomasscalculationsandprovideyouwithinaccurateinformation.

Relatedtopics

•Biomassinformationpaneonpage44

AboutTVGgain

TVGmeansTimeV ariedGain.WhenTVGisusedinanechosounder,wealsosome
timesrefertoitasdepthvariablegain.

Becausethestrengthoftheechoeswillbecomeweakerwithincreasingdepth,theecho
sounderwillautomaticallyamplifythedeepestechoesmorethantheshallowerechoes.
Infact,thegainwillincreaseproportionaltohowlongtheechosounder“waits”forthe
echoes.WhenyouchoosetheTVGsettingyoucaneitherswitchitoff(whichwedoNOT
recommended),oryoucanchoosesettingsSchoolGain(20logR)orFishGain(40logR).

Thevarioussettingscontrolthegainalgorithms,howmuchgaintobeappliedwhen
thedepthincreases.WhenyouchoosetheFishGain(40logR)setting,youwillapply
moregainthanifyouchoosetheSchoolGain(20logR)setting.Thisissimplybecause
individualshesemitsmallerechoesthanaschool,andthismakesthemmoredifcultto
detect.IntheequationthecharacterRmeans“Range”.

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83

SimradES70

 

 

Theillustrationshowshowthegainclose
tothebottom(B)islargerthanjustbelow
thetransducer(A).Theechoesfromthesh
closetothebottomwillthenbeshownwith
thesamestrengthasechoesfrompelagic
TheleftvesselusestheSchoolGain(20log

R)setting.Thiswillcausesingleshestobe

shownsmallerandsmallerwithincreasing
depth,eventhoughtheymaybeofidentical
size.TherightvesselusestheFishGain(40

logR)setting,andthatwillmakeidentical

sizedshtoappearwithidenticalsize
independentofthesize.

Whenyouarelookingforschoolsthesewilllltheentirebeam,justasthebottom
normallydoes.Alotofgainisthennotnecessary.TheSchoolGain(20logR)setting
willprovideanacceptableechostrength.WhenyouusetheFishGain(40logR)setting
youwillseethatthebottomechoisverystrong.Thepresentationwillusestronger
colourswithincreasingdepth.

Aboutdynamicrangeanddisplay presentation

TheES70echosounderhasadynamicrangeof140dB.Thismeansthatthesoundercan
receivebothverystrongandveryweakechoes.Actually,theES70willdetectechoes
fromplanktontowhales,bottomonalldepths,andpresenttheinformationfreefrom
distortion.Asacomparison,ouroldechosoundersES380andET100hadadynamic
rangeofapproximately65dB.

Naturally,wecannotpresentalltheseechoesonthedisplaysimultaneously,asthis
wouldcreateamessofcolours.

When12coloursareused,wecreatea36dBsectionandgiveeachcoloura3dB
strength.Everycolour(3dB)therepresentad
12colours(A)thiswillbea36dBcolourrangefromgreytobrown.Greyisusedfor
theweakestechoes,whilethestrongestechoesarebrown.Allechoesstrongerthan
brownwillstillbebrown,whileechoesweakerthangreywillnotbeshown.Theold
papersoundershadadynamicrangeof12dBintheirprintoutsusingthe“colours”
fromlightgreytoblack.ThedynamicrangeintheES70colourpresentationisthusa
lotlarger;24dBor250times.

o u b l i n g oftheechostrength.Withthe

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Echosoundertheory

Aboutoutputpower

Theechosounder’stransducerconvertstheelectricalinputpowertoacousticenergy
transmittedintothewater.InthemajorityofthetransducersmanufacturedbySimrad
thetransducer’spowerefciencyisbetween50and75%.Thismeansthatbetween50
and75%oftheinputpoweristransmittedasacousticenergy.Transducersfromother
manufacturersmayhaveaslowas15%powerefciency.Naturally ,itisveryimportant
thatyoucheckthisparameterwhenyouwishtopurchaseatransducer.

Theechosounder’soutputpowerisameasurementonhowmuchcurrenttheamplier
cansenddowntothetransducer.Themaximumpowerislimitedbythetransduceryou
have,andhowmuchpoweritmayacceptfromthetransmitterforconversiontoacoustic
energy.Ifyousendtoomuchpowerintothetransducer,youmayinictpermanent
andunrepairabledamage.

Thesourcelevel(SL)isameasurementonhowmuchacousticenergythatisinfactsent
outbythetransducer,howhigh“volume”itwillemit.Thesourcelevelismeasuredas
“soundpressure”onemeterbelowthetransducerface,anditisgivenidBre.1µPa.

Inordertoknowhowmuchpoweryoucanuseyoumustknowwhatkindoftransducer
youareusing.ProvidedthattheechosounderhasbeeninstalledwithaSimrad
transducer,andyouknowwhattypeitis,thisisnoproblem.Allnecessaryparameters
aboutthetransducerarethenknownbytheechosounder,andthesoftwareinthesounder
willensurethatyoudonotoutputtoomuchpower.Ifyouuseathirdpartytransducer
youmustmanuallycheckthattheoutputpowerdoesnotexceedthepowerrating.

Ifthetransducerreceivestoomuchpowerfromtheechosounder,itwillalsocavitate.
Thisisaphysicalphenomenoncausingtheappearanceofgasbubblesimmediately
belowthetransducerface.Whenthishappenshardlyanyenergyissentintothewater.
Thecavitationdependsonthepowerappliedandthephysicalsizeofthetransducerface.
Transducerswithalargefacecanacceptmorepower.

Relatedtopics

•Howtochangetheoutputpoweronpage72

Aboutpulseduration

Theechosounder’spulsedurationisameasurementforh

o w l o n g theacousticpulselasts.

Thepulsedurationcanbeadjustedaccordingtothecurrentdepthandwhatkindofsh
youarelookingfor.Thedeeperyouwishtosee,thelongerpulsedurationshouldbe
used.RememberthatinES70echosounder,thepulsedurationandthebandwidthis
mutuallydependant.

•Longpulse-lotsofacousticenergy-narrowbandwidth-lesssensitivefornoise
fromownvesselandenvironment

•Shortpulse-lessacousticenergy-widebandwidth-moresensitivefornoisefrom
ownvesselandenvironment

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SimradES70

Apulsedurationof1mScovers1,5meters
inthewater,andthiscorrespondstoatarget
separationofapproximately75cm.Thisisa
typicalpulsedurationthatyoumaywelluse
downto250to300meters.Ifyouworkin
deeperwatersusealongerpulseduration,if
itisshallower,useashorterpulseduration.
Tryoutdifferentvalues,andseekoutthe
pulsedurationthatprovidesyouwiththe
clearestechopresentationwithminimum
noise,butwithmaximumshdetectionand
separation.

Theleftvesselusesalongpulseduration(C).Asyoucansee,thiscausestheechoes
fromthetwoshes(A)and(B)tomerge.Therightvesselusesashorterpulseduration,
andthetwosheswillthenappearastwoseparateechoesontheechogram.Thus,
shortpulseswillprovidethebestresolutionandseparationofindividualshes,butthe
echosounderismoresensitivetonoise.

Thespeedofsoundinwaterisapproximately1500m/s.Thelengthofa1mSsound
pulsewillthusbeapproximately1,5meter.Withtheechosounderyoucanthenadjust
thesoundpulsefrom7,5cm(0.05mS)to24m(16mS)dependingoftheoperational
frequency.Thisisanimportantfactorfortheappearanceofsingleshes.

•Whentheverticaldistancebetweentoshes,orthedistancebetweenashandthe
bottom,ismorethanthedistancecoveredbyahalfpulseduration,theechoeswillbe
presentedastwoseparateechoes.Theshabovethebottomwillbeidentied.

•Ifthedistancebetweentwoindividualshes,orthedistancebetweenasinglesh
andthebottom,islessthanthedistancecoveredbyahalfpulseduration,theecho
willbepresentedasoneecho.Theechofromtheshclosetothebottomwillbe
mergedwiththebottomecho.

Alloperationalfrequencieshavedifferentpulsedurations.Thedifferencebetweenfor
examplea50kHzanda38kHztransducerishowevernotlarge:

•A50kHztransducercanbeusedwithpulsedurationsfrom0,12mSto2mS

•A38kHztransducercanbeusedwithpulsedurationsfrom0,26mSto4mS.

Basically,boththesefrequencieswillprovideyouwiththesamedetectionability.A
50kHztransducermayprovidebetterresolutioninshallowwaters,whilethe38kHz
transducermayprovidelongerrangeondeeperwaters.Onthe38kHztransducerthe
shortestpulsedurationis0,26mS.Thisresultsina40cmsoundpulseanda20cm
shseparation.

Relatedtopics

•Howtoadjustthepulsedurationonpage73

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343539/A

Aboutbottomslopes

“Bottomslopes”isawellknownphenomenonwithechosounders.

Theedgeofthebeam(A)hitsthebottom
rst,andstartstogiveanecho.Thebottom
detectorintheechosoundermeasuresthe
strongestecho,detectswhatitthinksisthe
bottom,andstartsthewhiteline(C).The
areaabovethebottomdetection(B)willbe
maskedoff,andeventhoughitmaycontain
shthesewillnotbevisiblebecausethe
echofromthebottomisstrongerthanthose
fromthesh.Theestimateddepth(C)will
beshown.

Echosoundertheory

Ontheechosounderthephenomenonwillappearbycausingthebottomline(E)tobe
distorted.Alltheechoesabovethewhitelineherearereallyapartofthebottom.

TominimizethisphenomenonontheES70youcanopentheBottomDetectordialogby
right-clickingthedepthpresentation,andthenchangethesettingforBackstepMinimum

Level.Byincreasingthenumber(morenegative!)thebottomdetectorwillbecomemore

sensitive,andthebottomwillbedetectedearlier.Ontheechogramthewhitelinewill
“climb”uptheslope.Makesurethatyoudonotincreasethesensitivitytoomuch,asthis
willhaveaneffectontheshdetectiononaatbottom.Ourexperienceshowthata
sensitivityofapproximately-75dBcanbeusedsafely.

Anothermethodforminimizingthisphenomenonistouseatransducerwithnarrow
beam,ortoincreasethepulseduration.

Aboutrangeselection

Foreveryfrequency(channel)youwishtopresentontheechosounderdisplay,youare
providedwithtwoechograms.

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SimradES70

AUpperechogram(surfacerelated)

BLowerechogram(bottomrelated)

CScopeviewforupperechogram

DScopeviewforlowerechogram

Normally,theupperechogramwillshow
theentiredepthrangefromtheseasurface
anddowntothebottom,whilethelower
echogramshowsabottomexpansion.This
isamagnicationoftheareajustaboveand
belowthebottom.

Youarefreetochooseanypresentationyou
wantinanyoftheechograms.

Todothis,opentheEchogramdialogonthe

Activemenu.

Upperechogram:Surface

Whenyouneedtoestablishaverticaldepthrange,whynotlettheechosounderchooseit
foryou.Onthemainmenu,setRangetoAuto.

Youcanalsodeneyourowndepthrange.Toestablishadepthrangefromthesurface
anddowntothebottom,setRangetoasuitabledepth,andStartRangeto0(zero)meters.

Aphasedareamayalsobeestablished.Thisisusedwhenyouwishtoconcentrateon
acertainandlimiteddepthrangeIfyouforexamplendsaschoolofsh150meters
belowthesurface,youcansetuptheechosoundertoshowthisschoolwithoutalso
providedinformationfromthewatercolumnoverandunderit.Tosetthisup,setStart

Rangetoafewmetersabovetheschool,andRangetoafewmetersbelowit.

Ifyouarebotheredbyinterferencefromasonarusingthesameoperationalfrequency,
trytosetStartRangeto10to20meters.Youwillthenavoidthenoisewhenboth
systemstransmitsimultaneously.

Lowerechogram:Bottomexpansion

Themajorityofourusersprefertousethelowerechogram(B)forbottomexpansion.
Thisisthedefaultsetting.

Whenyouusebottomexpansion,thewatersurfaceisnotthereferenceanylonger,but
thebottomis.Itisalways0.Thatmeansthatthebottominthisechogramwillalwaysbe
at,eventhoughitmayvaryintheupperechogram.Tochooseaverticaldepthrangefor
thebottomexpansion,setRangetoapositivevalue.Thisisthetotalverticalrangeof

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343539/A

Echosoundertheory

theechogram.Then,setStartRangetoanegativevalue.Thisistheechogram’sstart
heightabovethebottom.Inthisechogrampositivedepthisbelowthebottom,while
negativedepthisabove.

Typicalsettingsmaybe:

•Range=15m

•Startrange=–10m

Thisprovidesyouwitha15metershighphasedareastartingat10metersabovethe
bottomto5metersbelowit.

Aboutbottomlines

Itisveryimportantthattheechosounderdetectsandrecognizesthebottom.Thisis
becausethebottomisusedasreferenceforallmeasurementsandpresentations.and
alsoforeveryonelookingforbottomsh.

Whenyouwishtostudythebottomexpansionyoumayaddanextrabottomlineora
whiteline.

Toinvestigatethebottomhardness,youcanenablethehardnessline.Thishardnessline
cannotbeusedsimultaneouslywiththewhiteline.

Relatedtopics

•Lines,markersandannotationsintheechogramsonpage40

•Howtoeasieridentifythebottomonpage65

Bottomline

Thebottomlineisadarklinethatisaddedjustabovethebottomtomakeiteasiertosee.

ThebottomlineisenabledintheEchogramdialog.

ABottomlineandwhiteline

switchedoff

BBottomlineisactivated

CWhitelineisactivated

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89

SimradES70

Whiteline

Thewhitelineisanextrathickwhitelinethatisaddedtojustbelowthebottom.The
whitelinewillnotremoveinformation,itwillsimply“push”theinformationfurther
downinordertomakethebottomeasiertosee.

Mostusersnditpracticaltousethewhitelineallthetime.Iftheechosoundershould
loosebottomtrack–forexampleduetotheappearanceofalargeschoolofsh–you
willimmediatelyseethisonthewhiteline.

ThewhitelineisenabledintheEchogramdialog.

Hardnessline

Thehardnesslineisanextrathickcolourcodedlinethatisaddedtojustbelowthe
bottom.Thelinewillnotremoveinformation,itwillsimply“push”theinformation
furtherdowninordertomakethebottomeasiertosee.

Thecolourcodingcontainstheinformationabout
thebottomhardness.Thecolourscaleusedisthe
sameasintheBottomHardnessinformationpane.

→BottomHardnessinformationpaneonpage45

ThewhitelineisenabledintheEchogramdialog.

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343539/A

Index

Index

A

About

bottomline,89
bottomslopes,87
depthvariablegain,83
displaypresentation,84
dynamicrange,84
ES70,9
outputpower,85
pelagicechogram,87
pulseduration,85
TVG,83
whiteline,89

Activemenu

options,81

B

Basic

use,82

Biomass

description,82
show,69

Bottomecho

adjustlevel,68

Bottomexpansion

description,88

Bottomline

description,89
procedure,65

Bottomslopes

description,87

Boundarylines

change,60

Buttons

’Activemenu,81
Displaymenu,79
Mainmenu,77
Operationmenu,78
Setupmenu,80

C

Choices

Activemenu,81
Displaymenu,79
Mainmenu,77
Operationmenu,78
Setupmenu,80

Colour

threshold,18,46,61

Colourpalette

change,60

Colourscale

change,60

Colours

presentation,61

Commands

Activemenu,81
Displaymenu,79
Mainmenu,77
Operationmenu,78
Setupmenu,80

Computermouse

description,15

Controlwheel

mouse,15
trackball,15

Copy

savedechogram,56

D

Delete

savedechogram,56

Depthpresentation

changefontsize,60

Depthvariablegain

description,83

Description

biomass,82
bottomexpansion,88
bottomline,89
bottomslopes,87
displaypresentation,84
dynamicrange,84
echogrampresentation,22
shabundance,82
mainmenu,24
outputpower,85
pulseduration,85
Rangeselection,87
trackball,15
TVG,83
whiteline,89

Dialog

Layout,60

Display

changeeldsize,60

Displayelds

changesize,60

Displaylayout

select,60

Displaymenu

options,79

Displaypresentation

description,84
Displayviews,28
Distancemarker

echogram,43
Dynamicrange

description,84

E

Echogram

bottom,87
colourpalette,60
colourscale,60
colours,61
description,22
distancemarker,43
pelagic,87
presentationsetup,62
retrieve,56
store,56
storesequence,57
timemarker,43

Echogramimage

delete,56

Echogramsequence

playback,59

F

Filter

interference

reduce,64

vesselnoise

reduce,64

Fishabundance

description,82

Fishsize

adjust,69

Fontsize

depthpresentation,60

G

Gain

adjustsignal,70
adjustTVG,71
setup,63

GainTVG

description,83
setup,63

Gettingstarted,13

H

History

procedure,56

Horizontal

markerlines

setup,62

Statusbar,51

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91

SimradES70

Howto

adjustbottomecholevel,68
adjustsignalgain,70
adjustTVGgain,71
bottomlinesetup,65
changedepth

presentationfont,60

changeechogramcolour

palette,60

changeechogramcolour

scale,60

changeechogram

colours,61
changepingrate,54
changepulseduration,73
changesizeofdisplay

eld,60
denemaximumdepth,67
deneminimumdepth,67
echogram

setup,62
shsizeadjustment,69
interference

reduce,64
markerlines

setup,62
playback

echogramsequence,59
selectpassivemode,72
selectpresentation

layout,60
selectverticalrange,65–66
setoutputpower,72
showbiomass,69
showshsize

distribution,68
storechogram

sequences,57
storeechogram,56
trackball,15
TVGgain

setup,63

usethemenubuttons,

25,75
vesselnoise

reduce,64

I

Important

ifsomethingbreaks

down,9
information,9
switchingofftheecho

sounder,9
whendocking,9
whentheechosounder

isnotused,9

Interference

reduce,64

Introduction,7

K

Kildenivå

description,85

L

Layout

dialog,60
presentation

select,60

Longpulse

procedure,73

M

Mainmenu

description,24
options,77

Markerlines

horisontal,62
vertical,63

Maximumdepth

dene,67

Menu

description,24

Menubuttons

howtouse,25,75

Menusystem,74

description,24

Minimumdepth

dene,67

Mode

passive,72

Mouse

description,15

N

Numberofcolours

change,61

O

Off

procedure,14

On

procedure,13
OpenImageFolder,56
Operation

Pingrate,54
Operationmenu

options,78
Options

Activemenu,81

Displaymenu,79
Mainmenu,77
Operationmenu,78
Setupmenu,80

Outputpower

description,85
procedure,72

P

Palette

change,60

Passivemode

procedure,72

Phasedarea

description,87

Pinginterval

change,54

Pingrate

change,54

Playback

echogramsequence,59

Power

outputadjustment,72

Powerefciency

description,85

Poweroff

procedure,14

Poweron

procedure,13

Poweroutput

description,85

Presentation

description,22
echogram

setup,62

select,60

Presentationcolours

change,60–61

Presentationpalette

change,60

Principle

outputpower,85
pulseduration,85
TVG,83

Procedure

adjustbottomecholevel,68
adjustsignalgain,70
adjustTVGgain,71
changedepth

presentationfont,60

changeechogramcolour

palette,60

changeechogramcolour

scale,60

changeechogram

colours,61

changepingrate,54

92

343539/A

Index

changepulseduration,73
changesizeofdisplay

eld,60
collection,53
denemaximumdepth,67
deneminimumdepth,67
echogram

setup,62
History,56
interference

reduce,64
markerlines

setup,62
playback

echogramsequence,59
poweroff,14
poweron,13
selectpassivemode,72
selectpresentation

layout,60
selectverticalrange,65–66
setoutputpower,72
showbiomass,69
showshsize

distribution,68
storechogram

sequences,57
storeechogram,56
trackball,15
TVGgain

setup,63

verticalmarkerlines

setup,63

vesselnoise

reduce,64

whitelinesetup,65

Procedyre

shsizeadjustment,69

Pulseduration

description,85
procedure,73

Purpose,thismanual,7

R

Range

select,65–66

Rangeselection

description,87

Retrieve

echogram,56

S

Save

echogram,56
echogramsequence,57

ScreenCaptures,56
Screencopies

Statusbar,51

Sequence

echogram

playback,59

storeechogram,57

Setupmenu

options,80

Shortpulse

procedure,73

Signalgain

adjust,70

Sizedistribution

show,68

SL(Sourcelevel)

description,85

Slopesonthebottom

description,87

Sourcelevel

description,85

Statusbar

Horizontal,51
Screencopies,51
Transducer,52
Vertical,51

Store

echogram,56
echogramsequence,57

Switchoff

procedure,14

Switchon

procedure,13

T

Threshold

colour,18,46,61

Timemarker

echogram,43

TimeV ariedGain(TVG)

description,83

Trackball

description,15

Transducer

Statusbar,52

Transmitpulse

length,73

Transmitterpower

description,85

TVG

description,83

TVGgain

adjust,71
setup,63

U

Use

basic,82

V

Vertical

Statusbar,51

Verticalmarkerlines

setup,63

Vesselnoise

reduce,64

View

savedechogram,56

W

Whiteline

description,89
procedure,65

343539/A

93

ISBN-13:978-82-8066-118-0

©

2010KongsbergMaritimeAS