How Fish Finders Work

How Fish Finders Work

Fish finders operate under water to map contours, objects, including fish, identify and create an image on the screen everything they find. These are not cameras so the resulting image is not a photo of the scene underwater or video. Conversely, to identify objects with sonar and interpret the scene in technology using a graphical representation. With sonar (sound waves) send signals to the water. When the pulse meets an object bounces off the fish finder. Calculations using the processing and analysis of feedback may useful piece of marine electronics found much information on the special signal objects.

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The main components
Sonar consists of two main components, the display and the sensor. The transducer is the power source which emits a beam in the water, returning the processed signal and sends it to the screen. Through a hole in the hull which directly drops the water demand of the tail under the boat, or - The transducer can be mounted directly on the shell.

Understanding the characteristics of the

the angle of taper corresponds to the size of the beam extending beneath the water to provide optimal coverage. Angle in degrees and the objects identified in the cone. A long narrow cone focuses on deep water, while short, wide cone identifies fish over a wider area in shallow water. The spokes may vary from about 60 degrees to 120 degrees. Locate on a multi-beam under different angles of water on the surface and in-depth coverage area at the same time.
The frequency is the power of the measured signal in the sensor kHz. The work for determining the angle of the cone, if the beam can be focused on the deep or shallow water. Lower frequencies, the water penetrates deeper at high frequency (50 kHz frequency is low, while 192 or 200 kHz high frequency).

Imagery
Watch high resolution, sunlight readable display, so it is easy to distinguish the characteristics of strong sunlight. Some fish finders have color displays, while others in black and white. Remember, these are not pictures, but the representations so sometimes it is easier to see the contrast in black and white, but the color can be effectively used for different destinations, such as fish, rocks, etc. distinguish

Integrated Fish Finder
Most people want different components of marine electronics for a variety of different purposes. It may be cheap, fish finder, buy combined with a GPS or plotter. In addition to saving money as an integrated tool has the advantage of less space on the dashboard of your boat.

Buying a Fish Finder Transducer - What You Need to Know

Buying a fish finder can be a daunting task with all the styles that are available, but buying a fish finder transducer is even more difficult, especially since the main features of the information comparing devices is generally less common in the marine industry.

First, you should know that a sensor probe model can come from single frequency and double. The frequencies of the most common operation is 50 kHz and 200 kHz. Models, the higher frequencies (e.g., 200 kHz) to be used with more precision than the unit of the lowest frequency but the same depth of penetration as the model of the lowest frequency. So if you want to go boating or fishing in deep water, you probably want to make sure you buy a converter (single or dual mode with a higher frequency) operating at low frequency.

In the second line of sonar transducer cone is important because it determines the area under the boat, which is covered. Of course, the width of the cone, the larger the area that is covered, and the data can be downloaded from the fish finder. In general, as a general rule, the greater the frequency patterns (more penetration, but none of the more detailed models higher frequency) higher than their counterparts in more frequencies cone.

Finally, you must decide how the transducer is mounted on your boat. Often used as a carrier or carriers (mounted at the rear of the boat) or through the city (welded hull) were sold. While the helmet protects the transducer assembly through the elements and means they are less likely to be damaged, we need a lot more attention to proper installation, and of course the effectiveness of the transducer can be Now pull your look less beam through the boat in the water.

Whatever you choose, if you decide to buy a sonar transducer, which will definitely help you find the fish, making your experience more enjoyable navigation.

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