Nothing appears on the display even you can see fish under the sensor.
Oil, dirt and fuel might cause a film to form on the sensor and reduce its effectiveness. Cleaning
the surface of the transducer might help.
Electrical noise nearby can interfere with the sonar, which will cause some weaker signals to be
eliminated.
The display becomes so cluttered that you cannot achieve a clear bottom:
Such cluttered display may be caused because:
The water is too shallow
The water is too cloudy
There is a lot of debris in the water.
The Sonar unit cannot reach 300m. There is an abnormal display showing on the screen and
when the bait boat is about 60 – 70m away the sonar unit stops working.
Please ensure the sensor is mounted in the proper location in your bait boat. An improper mounting
location will cause abnormal display.
Please check the RTS sensor installation and confirm the antenna mounted on your bait boat is
correctly connected to the control box through the antenna-extended cable.
The radio performance is easily affected by cloudy or rainy conditions which will cause the Remote
control distance to decrease greatly.
Maintenance
With a view to getting maximum use out of your fish finder we recommend you follow the steps
below and carry out maintenance.
For the Case
Clean the sonar unit's outer case (except for the screen) with a cloth dipped in mild detergent
soluation and then wipe it dry.
For the Screen
Use a piece of soft cloth or felt to clean the screen (fresh water or eyeglass cleaner can be used if
needed). Stubborn dirt or oil stains remaining on the screen must not be wiped with force,
otherwise the surface may become scratched or damaged.
Also give daily attention to ensure the screen is kept away from any chemicals.
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