Navman THROUGH HULL AND IN-HULL Installation Manual
Also see for 25982: Installation manual
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8 Through hull & In-hull transducer installation manualNAVMAN3 In-hull depth transducer3-1 Positioning an in-hull transducerThis transducer will be glued to the inside ofthe bottom of the boat. Select a position for thetransducer that has a smooth flow of clear waterunder the transducer at all times. This meansthat the transducer should be ahead of any keel,hull projections, hull openings, paddle wheeltransducers, propellers or propeller wash. Ifthe bottom of the boat is painted and the boathas been used, do not mount the transducerwhere the paint is eroded (an indication ofturbulence).In addition, position the transducer:as close to the middle line of the hull aspossible and as deep as possiblewith sufficient space inside the hull foraccess and wiringwhere the inside surface of the hull is flat andsmooth and there will be no gaps betweenthe face of the transducer and the hull.Planing or displacement boatSailing boatSuitable locationsfor transducerUp to 15°Part # - Europe 27948Part # - Rest of World AA002161Material PlasticConnector RCA phonoMax. hull thickness ¾" (20 mm)Cable length 26.2 ft (8 m)One in-hull transducer is available, a depth transducer.CautionIn-hull depth transducers are only suitable for solid GRP hulls up to ¾" (20 mm) thick, without airpockets, beads or voids. They are not suitable for wooden, metal or sandwich hulls. Compared toother types of transducer, in-hull depth transducers generally have lower performance becausepower is absorbed in the hull.No YesIdeally the transducer should be rotated sothat its axis is vertical, however it can be upto 15° off vertical.The face of the transducer is angled. Whenfitting the transducer, rotate the transducer sothat the axis of the transducer is as close tovertical as possible. |
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