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Glossary
The formation of bubbles, which may negatively impact a transducer's
cavitation
readings by reducing its ability to put energy into the water.
The rise of the bottom of a vessel above a horizontal line at the center of
deadrise
the vessel; that is, the slope of the hull away from the horizontal.
An instrument that uses sound waves to measure the depth of a body of
echo sounder
water or an object (such as a school of fish) below the water's surface.
A block used to create a horizontal surface for mounting a thru-hull
fairing block
transducer when the vessel's deadrise is more than 5 degrees.
The device mounted through the hull to send and receive ultrasonic
transducer
beams that determine seabed conditions and locate fish. Essentially, a
transducer is an energy converter, which changes electricity to sound
(send) and sound to electricity (receive).
An imaginary column through the water created by the path of a single
water column
transducer ping and its echoes.
491 INSTALLATION MANUAL Revision A
PAGE 29
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