44
face of the sensor might help.
d) Electrical noise from the boat's motor can interferes
with the sonar, which will cause some weaker signals
being eliminated.
e) Please check the battery voltage. The unit's transmitter
power will decrease due to the voltage drop. And this
will reduce its ability to find the bottom or targets.
f) The sonar might be in turbulent water. Mounting it in
a smooth flow of water might help.
3. No depth r
3. No depth reado
eadout when transducer is installed in the
ut when transducer is installed in the
way “Shoot-thru-hull”.
way “Shoot-thru-hull”.
Make certain the hull of the boat is single layer construction.
Also any air trapped in the lamination of the fiberglass
would prevent the sonar signal passing through, which will
cause no depth readout.
4. Bottom d
4. Bottom disappe
isappears, suddenly weakens, when the boat
ars, suddenly weakens, when the boat
moves at high speed
moves at high speed
a) The sonar might be in turbulent water. See the insta-
llation guide and adjust the transducer position to a
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