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381291/C

4Selectavaluefromtheoptionsprovided.

Thechoiceyoumakeisbydefaultonlyappliedtothecurrentlyselected(active)

view.

Selectthemiddleofthebuttontoopenasmallmenuwiththeavailableoptions.

Selecttheleftsideofthebuttontoselecta"lower"'menuchoice.Selecttheright

sideofthebuttontoselecta"higher"'menuchoice.

Relatedtopics

Improvingtherecognitionofshandschoolsusingreceiverlters,page72

Adjustingtheintensityoftheechopresentations

TheeffectoftheGainadjustmentisminimizedifyouapplyRCG(Reverberation

ControlledGain)andAGC(AutomaticGainControl).TheDisplayGainisapplied

towardstheendoftheltersequenceintheSU90.Thismeansthatyoucanuse

DisplayGainifyouarenotcompletelysatisedwiththeresultsoftheautomaticgain

functionality.

Context

DisplayGaincontrolsthe"amount"ofechothatisdisplayed,inotherwordsthe

"strength"or"intensity"oftheechopresentation.Thefunctionthusincreasesor

decreasesthepresentationoftheechocolours.UsethisparametertogetherwithGainto

adjusttheSU90sensitivity.

Forallpracticalpurposes,adjustingDisplayGainhasthesameeffectasadjustingGain.

AdjusttheDisplayGainsothatyoucanseethetargetswithouttoomuchnoiseand

reverberation.Thechosensettingisamatterofpersonalpreferences.

Procedure

1OpentheDisplaymenu.

2SelectDisplayGain.

3Adjustthesettingtotyourrequirements.

Tochangethesetting,movethecursorto

eithersideofthebutton.Selecttheleftside

ofthebuttontodecreasethevalue.Selecttherightsideofthebuttontoincreasethe

value.Selectthemiddleofthebuttontoopenit.Ifyouhaveakeyboardconnected

totheSU90,youcantypetherequestedvalue.

Relatedtopics

Controllingthegainandrangesettings,page56

Improvingtherecognitionofshandschoolsusingreceiverlters,page72

Operatingprocedures

Simrad SU90 User Manual

Other manuals for Simrad SU90