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GPS F.A.Q. Q. 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. Buy Garmin GPS Products Online directly from Wide World Maps & MORE! Garmin GPS Units & Accessories - Garmin GPS Software © 2000-2009 Garmin Ltd. in conjunction with Wide World Maps & MORE! - maps4u.com |
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