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Simrad ES80 - Page 437

Simrad ES80
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406273/C
435
Description
WhentheColourScalepageopens,it
offersoneadjustmentforeachTVG
setting.TheColourScalesettings
controlthesensitivity.Bychanging
eachleveltoamorenegativenumber,
youincreasethesensitivity.This
donebycontrollingtheminimum
levelofdetection.
Theechostrength(A)changeswithtime.Theminimumlevelofdetection(B)isadjusted
upordownwiththeGainfunction.IncreasingtheGainwithamorepositivenumber
reducestheminimumlevel,andthisincreasesthesensitivity.Onlyechoesoverthe
minimumlevelareshownintheechogram(C).
ThelevelshownisalsoreectedontheGainbuttonontheMainmenu.Whenyou
increasethegainlevel(morepositivenumber),youreducetheminimumlevel,andthus
increasethesensitivity.
Functionsanddialogboxes

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