Why is placement of transducers so important?
A. For optimum performance, the transducer must be in direct contact with the water at all times. Air bubbles and/or turbulence across the transducer will degrade its ability to transmit and receive signals. Acoustic noise-which is always present-can interfere with the operation of the transducer. While ambient noise cannot be controlled, carefully selecting the transducer mounting location can minimize the effect of vessel-generated noise. The lower the noise level the higher you can set the gain setting. Ambient noise sources: waves and air bubbles, fish and mammals, rain and hail, other vessels, and shores. Vessel-generated noise sources: aeration and turbulence from water flowing across the hull, propellers, propeller shaft vibration, machinery such as engines, generators, gears, and pumps, as well as interference from other fishfinders.
