Humminbird 409380-1 Marine GPS System User Manual


 
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Transducer Maintenance
Use the following information to maintain the transducer operation.
If your boat remains in the water for long periods of time, algae and
other marine growth can reduce the effectiveness of the transducer.
Periodically clean the face of the transducer with a mild, marine-safe
and plastic-safe soap or solution.
NOTE: To clean the transducer, you may need to pivot the transducer up in the
bracket.
If your boat remains out of the water for a long period of time, it may
take some time to wet the transducer when it is returned to the water.
Small air bubbles can climb to the surface of the transducer and
interfere with proper operation. These bubbles dissipate with time, or
you can wipe the face of the transducer with your fingers after the
transducer is in the water.
Maintenance