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INSTALLATION PREPARATION
INSTALLATION OVERVIEW
display on the control head. It should be installed in contact with the
surface of the water in an area that has smooth water flow - usually on the
transom of the boat. There are several mounting options for the
transducer. Review the following section to determine the method that
works for you and your boat.
Determining How to Mount the Transducer
The 250DX includes a model XT-6-20
transducer. This transducer can be
mounted on the transom of the boat,
or bonded to the inside of a fiberglass
hull boat.
The transom installation, which is the
most widely used, places the transducer
on the outside of the boat hull. This
technique produces the least signal loss,
and provides a way to adjust the
transducer after installation. The
mounting hardware included is designed
to protect both the boat and the
transducer should the boat strike debris
in the water or when trailering.
As an alternative to transom
mounting, it is possible on many
fiberglass-hulled boats to glue the
transducer on the inside of the boat
hull. Since fiberglass has similar sonar
characteristics as water, the sonar
signal can pass through the boat hull
with minimal loss. The hull of the
boat must be single layer
construction (not double-hulled).
Also, any air trapped in the
lamination of the fiberglass would
prevent the sonar signal from passing
through.
Transom Mounted Transducer
Inside the Hull Mounted Transducer