Regal 29 OBX, Owner'S Manual

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Systems
Depth Sounder Transducer
Your transducer is a component mounted on the hull bottom that
sends out sonar signals that rebound upon hitting the bottom of
a lake or ocean. These signals are measured, and converted into a
usable depth measurement displayed by the depth gauge at the helm.
This system does not register signal defl ections due to fi sh. Access to
the transducer may be through an access plate in the ski locker. Select
installations do not use the cover. Note that the transducer is a sealed,
non-serviceable unit.
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