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).
ThelevelshownisalsoreectedontheGainbuttonontheMainmenu.Whenyou
increasethegainlevel(morepositivenumber),youreducetheminimumlevel,andthus
increasethesensitivity.
Functionsanddialogboxes