Simrad ES80 - Page 94

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TheES80hasadynamicrangeof
140dB.ThismeansthattheES80
canreceivebothverystrongandvery
weakechoes.Actually,theES80will
detectechoesfromplanktontowhales,
bottomonmostdepths,andpresentthe
informationfreefromdistortion.Asa
comparison,ouroldechosounders
ES380andET100had-usinganalogue
TVG-adynamicrangecorresponding
toapproximately65dB.
Procedure
1ObservetheMainmenu.
ItsdefaultlocationisontherightsideoftheES80presentation.
2ObservetheGainbutton.
3Thefollowingmethodscanbeusedforthisadjustment.
•Method1:Select[+]or[-]tochoosethelevel.
•Method2:Selectthemiddleofthebutton,holdthemousebuttondepressed.
Dragthecursorsidewaystoincreaseordecreasethelevel.
•Method3:Selectthemiddleofthebuttontoopenthemenu.Typetherequested
value.
YoucanonlydothisifyouhavecomputerkeyboardconnectedtoyourProcessor
Unit.
Note
DonotconfusethisGainsettingwiththeTVG(TimeV ariedGain)setting.
Relatedtopics
Gainfunction,page312
SimradES80ReferenceManual