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6. There are fish in water, but the fish finder shows
nothing.
The fish finder can only detect fish in detectable area
(105 degrees beam angle under the sensor). And the
fish finder will not detect any objects that are closer
than 2 feet from the sensor. It is the blind area of
sonar. If you’re fishing in water that is less than 3 feet
deep, it is recommended to discontinue use of the fish
finder. Besides that, the fish finder might not be able to
distinguish fish from weeds if fish swimming too close to
the water bottom.
7. False fish indications
Tall weed may cause false fish indications. If weeds
grow taller than 50% of the total water depth, the sonar
will mistake it for fish. Trash & debris may also result in
false fish indications. Adjusting the sensitivity setting to
the lowest level may reduce these false readings, but if
they do not go away, it is suggested that you
discontinue use of the fish finder under these
conditions.
8. Will it work for ice fishing?
It can work for ice fishing. It is suggested to drill hole on
