User manual

SimradES70
dHardness
Thecurrenthardnessofthebottomisshownbelowthedetectedbottomdepth,
usingacolourcode.
→BottomHardnessinformationpaneonpage138
2HorizontalLines
Thiseldallowsyoutoenableordisableotherhorizontallinesontheechogram.
aTrawl
Wheneveravailableandconnected,trawlsystems(PIandITI)communicate
headropedepthand/orheadrope-to-footropedistancetotheES70atregular
intervals.
ManualtrawlparameterscanbeenteredusingtheTrawldialog.Thisis
usefulfortrawlsensorsystemsnotmeasuringthetrawlopening,orwhenthe
measuredheadrope-to-footropedistanceisunreliable.
IfyouhaveaSimradPIorITIsystemconnected,youcanmonitorthedepth
oftheapplicablesensors.Theinformationfromthesesensorsaredrawnas
horizontallinesontheES70echogram.
TosetupaninterfaceporttocommunicatewiththePIandITIsystem(s),use
theI/OSetupdialog.
→Trawlonpage200
→I/OSetuponpage208
TheTrawlechogramisonlydrawnwhentrawlpositioninformationisavailable.
→Trawlechogramonpage128
→Trawllineonpage131
bVariableDepth
Whenenabled,ahorizontaldepthlineisplacedwhereveryouclickinthe
echogram.Thisistypicallyusedtomeasurethewaterdepth,thedepthof
aschool,orevensinglesh.
Tomovethedepthline,clickonit,anddragitupordown.Thedepthofthe
lineisdisplayedinasmallboxattheleftsideoftheechogram.
→Variabledepthlineonpage132
cRangeOther
ThisfeatureisusedwhenyousetupyourES70withbothasurfacerelated
andbottomrelatedechogramshownsimultaneously.Whenenabled,two
horizontallinesinthesurfaceechogramindicatetherangeselectedinthe
bottomechogram.
→Rangeotherlinesonpage132
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