Simrad ES80 - Page 411

406273/C
409
Frequency
Thisisthenominalcentrefrequencyforthechosentransducer
Impedance
Thetransducerimpedanceismeasuredinrealtimeduringeachtransmission
("ping").Ifyoumeasure∞Ω(opencircuit),youcanassumethatthetransducer
impedancetransformerhasbroken,orthatthecableisdamaged.Ifyoumeasure
0Ω(short),youcanassumethateitherthetransducerimpedancetransformerorthe
cablehasshorted.Youmayalsohaveaproblemwithsaltwaterpenetration.
Phase
Thetransducerimpedanceisacomplexvalue,andithasaphase.Thisphase
shouldbeassmallaspossible.Alargephasemeansthatyoulooseoutputpower.
FixedAxis
SelectFixedAxistomakethecurveseasiertoread.Isisavisualfunction,itdoes
notchangetheresultsfromthemeasurements.
Returnto...
BITE(Built-InTestEquipment)dialogbox,page400
Relatedtasks
CheckingthetransducerbymeansoftheBITEfunctionality,page210
Inspectingandcleaningthetransducerface,page211
Paintingthetransducerface,page213
Relatedtopics
Rulesfortransducerhandling,page214
Approvedanti-foulingpaints,page215
Relateddialogboxes
NormalOperationdialogbox,page318
Installationdialogbox,page346
TransducerInstallationpage,page348
BITE:Noisepage
TheoperationalperformanceoftheES80Widebandshndingechosounderdepends
onthenoiseconditions.Itisessentialthatthenoisesignatureisaslowaspossible.
Howtoopen
ThispageislocatedintheBITEdialogbox.Y ouopentheBITEdialogboxfromthe
Setupmenu.
Functionsanddialogboxes