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routing Fishfinder”s power and the transducer cable away from the electrical source.
b) Electrical noise from the boat's motor can interferes with the sonar, which will cause
some weaker signals being eliminated. Try increasing the Noise Reject level or
routing Fishfinder”s power and the transducer cable away from the electrical source.
Nothing appears on the display even you can see fish under the
transducer.
a) Check the transducer installation to make certain it is properly installed. An improper
installation may cause sonar signal lost.
b) Oil, dirt and fuel might cause a film to form on the transducer and reduce its effe-
ctiveness. Cleaning the surface of the transducer might help.
c) Electrical noise from the boat's motor can interferes with the sonar, which will cause
some weaker signals being eliminated.
The display become so cluttered that you even could not achieve a
clear bottom
Such cluttered display may be caused because:
a) the water is too low
b) the water is too turbid
c) there are so much debris in the water,
Increasing the Noise Reject to 8 or a bigger value will be helpful.
