OWNER’S GUIDE & INSTALLATION INSTRUCTIONS
17-589-01 rev. 02 03/24/14
Keel Mount |
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Record the information found on the cable tag for future reference. |
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Depth Transducer |
Part No._________________Date___________Frequency________kHz |
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Model: CM422 |
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US Patent 7,369,458. UK 2 414 077 |
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WARNING: The transducer must be professionally installed using accepted practices. The pocket must be strong and watertight to reduce the risk of property damage, personal injury, and/or death.
Follow the safety precautions below for optimal product performance and to reduce the risk of property damage, personal injury, and/or death.
WARNING: Always wear safety goggles and a dust mask when installing.
WARNING: Immediately check for leaks when the boat is placed in the water. Do not leave the boat unchecked for more than three hours. Even a small leak may allow considerable water to accumulate.
CAUTION: Do not install in the engine compartment or other hot place. The transducer may fail if it overheats.
CAUTION: Always operate the transducer in water. Operating in air will allow the transducer to overheat resulting in failure.
CAUTION: Orient the transducer so the bosses on the top are facing fore and aft—parallel to the centerline of the boat.
CAUTION: The transducer must be flush with the bottom of the hull for good performance.
CAUTION: Never pull, carry, or hold the transducer by the cable. This may sever internal connections.
CAUTION: Never strike the transducer.
CAUTION: Never use solvents. Cleaners, fuel, sealants, paint, and other products may contain solvents that can damage plastic parts, especially the transducer’s face.
IMPORTANT: Please read the instructions completely before proceeding with the installation. These instructions supersede any other instructions in your instrument manual if they differ.
Applications
•Keel mount in fiberglass hull only.
•Keel mount recommended for high-speed boats.
Hole Saw
Hole Saw 95mm or 3-3/4”
Mounting Location
CAUTION: Do not mount in line with or near water intake or discharge openings or behind strakes, fittings, or hull irregularities that will disturb the water flow.
Choose a Location
•In a cool well-ventilated area away from the engine to avoid overheating.
•Where the transducer will be in contact with the water at all times.
•Where the water flowing under the hull is smoothest with a minimum of bubbles and turbulence (especially at high speeds). Do not mount the transducer near water intake or discharge openings; or behind strakes, fittings, or hull irregularities.
•Where the transducer beam will not be blocked by the propeller shaft(s).
•Away from interference caused by power and radiation sources such as: the propeller(s) and shaft(s), other machinery, other echosounders, and other cables. The lower the noise level, the higher the echosounder gain setting that can be used.
•Where there is working space inside the vessel.
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