Kongsberg Simrad EK80 - Measuring Noise in Passive Operating Mode

394149/D
259
bAllowthedatarecordingtorunapproximatelyveminutes.
cStoprawdatarecording.
dUsealemanager,andverifythattherecordedle(s)havebeensavedon
thechosendisk.
eVerifythattheplaybackisoperational.
14SelectHelponthetopbar.
aMakesurethattheonlinehelpopensonitsstartpage.
bClosetheonlinehelp.
Result
Requirements
Results
Thelatestsoftwareversionisinstalled.
Eachtransducerisinstalledwiththecorrectparameters.
Eachtransceiverchannelisoperational.
TheEK80detectsanddisplaysabottomechoineachechogram.
Dateandsignature:
Relatedtopics
Testprocedures,page256
Measuringnoiseinpassiveoperatingmode
Lownoiseisakeyfactorforhighqualityandreliablemeasurements.Theperformance
oftheEK80willalwaysbelimitedbydifferentnoisesources.Thenoiseismeasured
whiletheEK80operatesinPassivemodewiththetransmitpulsesdisabled.
Prerequisites
TheEK80hardwareunitsareinstalledasspeciedinthismanual.
•TheEK80systemisturnedonandoperatesnormally.
Caution
YoumustneversettheEK80to"ping"unlessthetransducerissubmergedinwater.
Thetransducermaybedamagedifittransmitsinopenair.
•Alltherelevanttransceivershavebeensetup,andtheyareoperationalwiththeir
respectivetransducers.
•Allrelevantchannels(transceiver/transducercombinations)areinstalledintheuser
interface.
•AllrelevantexternalsensorsareconnectedtotheEK80.Thesensorsareturned
onandoperatenormally.
Settingtowork