Simrad SU90 - Page 191

Settingtowork
5Ifnoiseisshownonthedisplay,usetheTrainleftandTrainright(arrow)buttonson
theOperatingPaneltoturnthewhiteaudiolinetothenoisyareaonthedisplay.
[_____]Ok
6ReadthecurrentecholeveldisplayedbytheEcho
Levelbutton.
Ifthisdoesnothelp,checkthatotherequipmenton
board,suchascoolingsystems(RSV),hydraulicpumps,electricmotorsetc,donot
inuenceonthenoisereading.
[_____]Ok
7Writedownthemeasuredecholevelhere.
Echolevel(dB):
[_____]Ok
381293/A
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