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3. In Shallow Water, Fish Could Be Seen Under the Sonar Sensor, but Nothing Appears
on the Display.
Because the fish finder will not be able to detect any objects that are closer than 3 feet (.9
Meter) from the sonar sensor, it is suggested not to use the fish finder if the water is
shallower than 3 feet (.9 Meter).
4. When Trying to “Shoot-Thru” Ice or a Boat Hull, the Depth Readout Is Unstable or
Only Shows “---”.
Make sure that there are no air bubbles or gaps between the hull or ice surface and the water
because hidden air pockets will prevent the obtaining of a correct reading. Shooting-thru
composite hulls (plastic) or cloudy ice is not possible as there are tiny air bubbles present in
these situations.
5. When Using the Fish Finder for Ice Fishing, the Depth Just Reads “---”?
The components within the sonar sensor will not pulse below an ambient air temperature of
14
℉
(-10
℃
).
6. It Is Mounted to the Boat, but Unit Freezes, Locks up, or Operates Erratically in Use.
1)The reason might be that the electrical noise from the boat's motor, trolling motor, or an
accessory interferes with the sonar unit. Rerouting the transducer cables away from other
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