Simrad ES80 - Page 266

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AThisisthestartdepthoftheechogram
InaPelagicechogramyoumaywishtostart
theechogramfromacertaindistancebelowthe
surface,andwillthensettheStartRangetoa
relativelylargenumericalvalue.
BEchoes
Theseareechoesfromshorotherobjectsinthe
watercolumn.
CTransduceridentication
Thistextidentiesthetransducer-andthusalso
thechannel-usedtocreatetheechogram.Inthis
context,thephrasechannelisusedasacommon
termtoidentifythecombinationoftransceiver,
transducerandoperatingfrequency.
DThisisthescopeview
TheScopeviewisusedtoindicatehowstrong
eachechois.Thecolourandthelengthofeachlinereectsthereceivedecho
amplitude.
EThesearethelabels
Smalllabelsareshowninthebottomleftandrightcornersoftheechogram.These
labelscancontaintimeordistancetoidentifythehorizontalaxisoftheechogram.
Youcanhidethelabelsfromview.
•None:Thelabelsarehidden
•Auto:Thehorizontalscaleissetautomatically
•Time:Thehorizontalscaleisdenedbytime.Thetimeshowninthebottom
rightcorneroftheechogramisthenthecurrenttime(now).
•Distance:Thehorizontalscaleisdenedbydistance.Thedistanceshowninthe
bottomrightcorneroftheechogramisthen0nauticalmiles(startingpoint).
ThelabelinformationcanbechangedusingtheLabeloptionsontheHorizontal
AxispageintheEchogramdialogbox.
FThisisthelowerendofthechosendepthrange
TheRangevaluedenesthevertical"height"oftheechogram.Inordertohidethe
bottomcontour,thisnumericalvaluemustbechosenwithcare.Subtractthestart
rangevaluefromtheactualdepth.Thisgivesyouthemaximumrangevalue.
SimradES80ReferenceManual