Xinuo XF-1069GF - 4-1-18 Noise Reduction Settings; 4-1-19 Auto Gain Correction

GPSChartPlotter&EchoSounder
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Wheninsoftgroundandmuddyground,usercanchooseasmallerechosignalclassification,
tomaketheechodisplayfordarkercolors,suchasredandorange;
wheninhard,especiallyshallowwater,youcanchoosealargerEchosignalclassification,to
avoidtheplanktonandgarbagecausedbyweakechoesintheechoimageshowsadarker
color,sothatthescreendisplayistoocomplex.
Onmapscreen：
Press〖MENU〗toenter【MainMenu】,select 【FishFinder】.Select 【18EchoSignalLevel】
in【FishFinder】 ,press 〖←〗、〖→〗tosetechosignallevelmode..
Onfishfinderscreen：
Press 〖MENU〗toenter【FishFinder】,Select 【18EchoSignalLevel】in【FishFinder】,press
〖←〗、〖→〗tosetechosignallevelmode.
4-1-18NoiseReduction
Noisereductionisprimarilyusedtoattenuatethenoisecausedbythephytoplanktonand
garbageechoreflections.Userscanaccordingtotheactualsituationofnoisereductionlevel
settings:low,mediumandhigh.
Onmapscreen：
Press〖MENU〗toenter【MainMenu】,select 【FishFinder】.Select 【19NoiseReduction】
in【FishFinder】 ,press 〖←〗、〖→〗tosetnoisereductionmode.
Onfishfinderscreen：
Press 〖MENU〗toenter【FishFinder】,Select 【19NoiseReduction】in【FishFinder】,press
〖←〗、〖→〗tosetnoisereductionmode.
4-1-19AutoGainCorrection
TheAutoGainCorrectionfunctionismainlyusedtoadjusttheautomaticgainvaluetomeetthe
requirementsofdifferentcustomersontheautomaticgainvalue.Userscanaccordingtothe
actualsituationofautogaincorrectionsettings:-20%~+20%.
Onmapscreen：
Press〖MENU〗toenter【MainMenu】,select 【FishFinder】.Select 【21AutoGainCorrection】
in【FishFinder】 ,press 〖←〗、〖→〗tosetAutoGainCorrectionmode.
Onfishfinderscreen：
Press 〖MENU〗toenter【FishFinder】,Select 【21AutoGainCorrection】in【FishFinder】,
press〖←〗、〖→〗tosetAutoGainCorrectionmode.
4-1-20A-Scope
A-Scopeistodisplaytheechointheformoflateraldeformation.Thegreaterthedeformation,
thestrongertheecho.Oncefishpopulationisdetected,theA-wavemeterwillimmediately
estimatetheapproximatesizeofthefishpopulationsothatitdoesnotneedtowaituntilall
echoesaredisplayedonthescreen.Thisfeatureisusefulwhenthefishismovingfast,
especiallyindeep-seaareasoratlowerscreenspeeds.Userscanswitchon/offtheAscope
accordingtotheactualsituation