Maintenance
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4.2 Measures to be taken when an abnormality or failure has been found
When one of the following symptoms appears, stop operation and contact the dealer or agent from Which you
purchased the device or one of our branches, marketing offices, and representative offices.
(1)The screen does not become bright. Power cannot be turned on.
A state where no color is displayed on the screen.
(2)No echo sounder screen appears though the screen can be scrolled.
A state where no echo sounder screen (echo) is displayed though the screen is scrolling.
(3)Low sensitivity.
A state where the fish finding image is weaker than the normal state.
(4)The external associated screen is not displayed.
(5)No external data is displayed.
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