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DS41 Owner’s Manual11
Transducer Installation
Note:
The installation of a transducer is a job
for a professional boat yard that performs
numerous installations.
The following is an informational guide-
line on the installation of transducers.
General
Correct installation of the transducer is essential
for optimum operation of the instrument. Select
a location for the transducer using the following
guidelines:
• Non-aerated water (bubble-free) water
must flow across the face of the
transducer at all speeds if good depth
performance is to be achieved.
• Never position the transducer directly
behind shafts, struts, fittings and
paddlewheel speed transducers because
water turbulence underneath the
transducer face can adversely affect depth
performance.
• Keep the transducer cable away from the
engine to reduce electrical interference.
• If the boat has bottom paint applied and
has been used, inspect for areas where
paint erosion has taken place. Erosion is
caused by turbulent water and these areas
are unsuitable transducer mounting
locations.
• It is very important that the mounting
location have reasonable access from
inside the vessel since the transducer will
require tightening from inside the hull.
• Plastic thru-hull transducers should be
mounted in fiberglass and metal hulls only.
Under no circumstances should they be
used in wood hulls. Swelling of the wood
may overstress the plastic housing.
• Do not use a fairing block of any type when
mounting the plastic low profile transducer.
Hauling or impact can cause structural
failure of the housing assembly.
• Do not expose a plastic thru-hull transducer
to solvents. Strong solvents such as
acetone and methylene chloride attack
many types of plastics and dramatically
reduce the strength of plastic parts.
Accumulation of grease or grime may be
removed with a damp cloth and mild
household detergents.
Note:
Transducer cable may be extended
up to 15 additional feet but depth
performance may be affected.
Use 22 gauge, two-wire, shielded cable,
using RCA/Phono connectors, or use
EX375D 15 foot extension cable.