Installation manual
SimradES70
Smoothsurfaceisimportant
Mountingscrewsorboltsmustnotbeextrudingfromthetransducerorthearea
immediatelyaroundit.Makesurethatthesurfaceofthetransducerface,theinstallation
hardwareusedtomountit,thehullplatingandtheputtyaroundthetransducerisas
evenandsmoothaspossible.Obstructionsonthesesurfaceswillcreateproblemswith
turbulentow.
Useahorizontalsupportbaronlargetransducers
Westronglyrecommendthatlargetransducersarettedwithahorizontalsupportbar.
Thepurposeofthissupportbaristoprotectthetransducerfromdamageintheeventof
slamming.Thishappensifthevesselhullclimbsoutofthewaterinheavyseas.The
forceofthewaterwhenthehullfallsdownmaypushthetransducerupandcausedamage
toitsmounting.Thesupportbarcanbesecuredtothemountingringusingthreadedrods.
Slammingistheimpactofthebottomstructureofashipontotheseasurface.It
ismainlyobservedwhilesailinginwaves,whenthebowraisesfromthewater
andsubsequentlyimpactsonit.Slamminginducesextremelyhighloadstoship
structuresandistakenunderconsiderationwhendesigningships.
—Wikipedia
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