Humminbird LCR 4x6 Operation Manual page 13

6. When an area is found that produces satisfactory operation, mark the location of the
transducer.
7. Remove the water and transducer and clean the marked area and the bottom of the
transducer thoroughly.
8. Using the Humminbird Epoxy Kit or equivalent, mix an ample amount of epoxy without
causing it to bubble and pour it in the area the transducer is to be mounted. The puddle
should be larger than the bottom of the transducer.
9. Coat the bottom of the transducer with epoxy, then put it in the center of the puddle and push
down on the transducer while moving it around in a circular motion. This forces out any air
bubbles that may be trapped between the bottom of the transducer and the hull of the boat.
10. Let epoxy cure then the transducer is ready to operate. No water is now required in the
bottom of the boat and gas and oil that is spilled inside of the boat will not degrade
performance as it will if the transducer is placed only in water.
CAUTION: Do not use the silicone seal or any soft adhesive to bond the transducer to the
hull. This will reduce the sensitivity of the unit.
4. TROLLING MOTOR MOUNTING PROCEDURE
A "Trolling Motor Transducer" is designed to be mounted on the foot of the trolling motor with
the aid of an adjustable clamp, included standard. Your trolling motor transducer will give
excellent reading with no interference from the electric motor. Some boat manufacturers are now
glassing in a second transducer beneath the front deck for thru the hull reading of the forward
mounted depth sounder. This installation also serves a dual purpose in that a fisherman can run
his big motor at idle speed and use his front depth sounder to scan for submerged stumps or
obstacles. Such a practice can often prevent damage to props and lower units of the big
outboard.
CAUTIONS
1. Occasionally the "eye" of your transducer may become dirty from storage or from contact
with oils present in boats or marina environments. (Oil will cause the "eye" to lose the
intimate contact with the water which is necessary for efficient operation.) The "eye" may be
cleaned with liquid detergent.
2. Improper installation of the transducer can alter the efficiency and accuracy of the entire
system.
3. If your boat of transducer is out of the water for a period of time, it may take a short period of
time for the transducer to become thoroughly "wetted" when returned to the water. Also, re-
entry may cause turbulence which will create air bubbles in the "eye" of the transducer. The
bubbles will disappear in a short time or can be removed by rubbing the transducer "eye" with
your fingers while the transducer is in the water.
4. If your instrument should fail to function, be sure to check all the electrical connections before
removing the transducer or calling a serviceman.