Installation manual
SimradES70
2ObservetheGainbuttonontheMainmenu.
3Method1:
aClick[+]or[-]tochoosegain.
4Method2:
aClickthemiddleoftheGainbutton,holdthemousebuttondepressed.
bDragthecursorleftorrighttoincreaseordecreasethegain.
5Method3canonlybeusedifyouhaveakeyboard:
aClickthemiddleoftheGainbuttontoopenthesub-menu.
bEntertherequestedgainvaluebetween20and120.
HowtoadjusttheTVGgainontheActivemenu
TVGmeansTimeV ariedGain.
ThewholeideawithTVGisthatechoesfromshshallhavethesameecholevel(colour)
independentoftheirdepths.
TheES70hasaTVGrangedownto15000meters,whichforallpracticalpurposesis
unlimited.TheES70doesnothaveaTVGcompensatedreceiverlikemostotherecho
sounders.IntheES70theTVGismadeinsoftwareaftertheechoesfromthereceiver(s)
havebeenconvertedtodigitalformat.Inordertomakethisworkthereceivermust
haveverylargedynamicrange.
TheTVGcanbechosenusingtheEchogramdialog,orwiththeTVGbuttonontheActive
sub-menu.Thissecondmethodisdescribedinthisprocedure.
→HowtoselectTVGgainintheEchogramdialogonpage85
1ClicktheActiveiconundertheMainmenutoopentheActivemenu.
→Activemenuonpage107
2LocatetheTVGbutton.
3Method1:
aClick[+]or[-]tochooseTVGsetting.
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