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Read this section carefully before attempting
the transducer installation. Remember, the
transducer location is the most critical part
of the installation. If this is not done properly,
the transducer can't perform at its designed
potential. Therefore the performance of the
fishfinder, especially at higher speeds, will not
be satisfactory.
• Transom Mount Transducer
Location
The transducer can be installed on any outboard
or sterndrive powered boat. The transom mount
transducer has a safety "kick up" mounting
bracket to help minimise damage to the
transducer should it impact the bottom or floating
debris in the water.
Select a position for the transducer that will:
•
allow the transducer a smooth flow of
water over its surface at all times.
•
ensure a mount as deep in the water as
possible.
•
be clear of any interference from the trailer
when launching or retrieving the boat.
•
be away from planing strakes or other
projections from the hull that may cause
aerated water to flow over the face of the
transducer.
•
be away from the propeller
•
be at least 150 mm ( 6" ) away from the
keel of the boat.
8
Mounting
Once the best location of the transducer is
determined, hold the transducer and bracket
against the transom. The bottom surface of the
transducer needs to sit parallel to the surface of
the water for the best signal return. The lower
face of the transducer should extend down
below the bottom of the hull so that it will be
below the surface of the water at high speeds.
(See fig. 2.1)
Mark the transom through the bracket slots to
correctly place the two outer screws. Now drill
the two holes in the centre of the slots. This will
allow you to adjust the transducer position later
on if required. Use two of the three stainless
screws supplied to attach the bracket to the
transom. Ensure the lower face of the transducer
is parallel with the ground (see fig. 3.1 and 3.2).
Tighten the two screws.
NAVMAN Fishfinder User Manual
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