Simrad EK15 - Page 81

Operationalprocedures
Tip
Thelengthofyourtransmittedpulseisveryimportanttohowyoucandetectsh.
•Ashortpulsedurationgivesyouaveryneverticalresolution.Thisallowsyouto
detectscatteredsh,andyoucanndthosethatmovenearthebottom.
•Alongpulsedurationthrowsalotmoreenergyintothewater,andthedigitallters
usedbythereceiverarenarrower.Thelongerpulsedurationwillprovidelonger
range,butreducedverticalresolution.
TheselterswillreducetheEK15'ssensitivityfornoise,butthelengthofthe
transmittedpulsewillgiveyoustrongerechoes.Withthelters,alongerpulse
durationwillprovidelongerrange,butreducedverticalresolution.
Relatedtopics
•Pulsedurationonpage279
•NormalOperationdialogboxonpage154
Procedure
1ClicktheOperationicon.
ThisiconislocatedundertheMainmenu.Itisusedtoopenthe
Operationmenu.
2ClickNormalOperationtoopentheNormalOperationdialogbox.
ThepurposeoftheNormalOperationdialogboxistoofferyouanoverviewofthe
currenttransceiverparameters,andtoprovideyouwiththeabilitytochangethem.
3Fortherelevanttransducerchannel,setPulseLengthtorequestedvalue.
4ClickOKtosavethecurrentsettingsandclosethedialogbox.
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