18 Aug What You Should Know About Fish Finders
While fish finder is actually fairly easy to use, it will take newbies some serious practice and some familiarization to be able to use this device to its full advantage. Thus, the very first thing you should do after your purchase is to read the operating manual that comes with the device. In particular with fairly technical product like fish finders, people sometimes complain about the device they purchased, simply because they do not take the time to actually read the user guide. Though the manual may be boring to read, it will help you understand how to use the device correctly and utilize all of its features – so that is time very well spent.
Compared to other navigational devices, fishfinders are usually cheaper at around $99 to $899 depending upon the brand. Here are some of the more sophisticated fishfinders reviews; one is the the Raymarine c70, the other one is the Garmin 441s. Cheaper fishfinders will only let you know where fish actually are located; yet, with advanced versions you will easily find the specific locations of certain fish. While these devices may not be perfectly accurately each time, it will on average cut your fishing time by around 50 percent.
How do Fish-finders work?
Fishfinders release a sound wave through a transducer, which is generally a narrow wave at the source and spreads as it penetrates deeper. When the sound-wave hits anything of semi- to really hard composition, it bounces back to the device. The distance between the sender and the object hit is being calculated and drawn on the screen by measuring the difference between the time the sound wave is released and the time it bounces back to the fishfinder. If the sound wave does not hit anything, it eventually reaches the surface or the bottom. Soft materials such as weeds and mud absorb the signal, while hard objects like rock send back a stronger signal. These slight variances in the sonar reflections are displayed on the screen, as well.
The different components of Fishfinders
Fishfinders have two key parts: the display and the transducer which is the actual energy source transmitting a beam into the water. It is the transducer that takes the signal from the transmitter, turns the signal into sonar and releases it. The transducer also catches returning echoes and changes them to their original form as electrical signals. The transducer can be mounted either on the hull, the trolling motor or on the transom. It should be placed straight down and as far away from props, hull obstructions and motors as possible. The transducer is connected to the fishfinder through an electrical cable.
The other important component of a fish finder is the LCD display screen, where the sonar information is displayed. LCD displays are measured in pixels, and more pixels essentially means a clearer picture and better screen / picture resolution. Many fish finders come with colored display screens, while others have black- and white displays. Remember that these pictures are not photos; they just represent what the transducer sends to the screen. Thus, it is simpler to use a black-and-white screen, though a colored screen can be helpful in identifying several things like rocks and fish