To get the most of the both there’s the dual beam type of transducers. It’s also called dual frequency and which combines both features in one unit. Other types of transducers are more specialized. They include multiple beams (can be 4 or more). These cover a larger area of the underwater and can even give a 3D image on the display. One more option is the side beam transducer. These units shoot their signals to the sides, which increases the search area for fish.
NO INSTALLATION REQUIRED: That got your attention, didn't it? If you're on a budget, and don't want any sort of permanent installation mods to your boat, the Humminbird Smartcast series may be your answer. You simply cast the green transducer to the spot where you want to investigate, and the signal comes back to the wrist module (RF30) or the traditional display model (RF15). This series doesn't have a lot of bells and whistles, but for my kind of fishing/paddlecraft, it may be a great solution.

Furthermore, all you need to do to integrate high quality maps and navigational data for any lake in your region is load up a microSD card with Humminbird’s Lake Master, Auto Chart, Auto Chart Pro and Navionics software suites and pop it right into the integrated SD card slot. Hummingbird’s unique software packages take the guesswork out of knowing where to fish and how deep the fish are currently swimming so you can better decide how to go about landing that trophy catch of a lifetime.
Choosing the perfect fish finder for your requirement is hard with many features such as imaging, power and more. The main purpose of a fish finder is to catch more fish with the screen displaying the fish and underwater structure and physical objects. Other information such as water temperature and depth are common on the majority of devices with many high end fish finders providing much more.
Understanding how a fish finder works will help you to understand how to use it. Fish finders work using sonar. It’s a technology that uses sound waves to display underwater objects. The fish finder produces the sound wave and with the transducer sends it through the water. Penetrating the water deeper, the sound wave starts to spread in the form of a cone (commonly called a beam). As the wave encounters objects within this beam, it sends the signal back to the transducer.
In summer and winter, water temperature is very important - these units will help you discover areas that should be comfortable for your target species. Safety is found in structure, for prey and predator alike. The illusion of safety for baitfish equates to food for prey. So locating proper structure is certainly important. It's been said that 90% of the fish can be found in 10% of the water. Believe it. If you're fishing structure in the middle of a lake or a man-made reef, knowing what's below you is important. Now you know.
Other devices which are widely used as bite indicators are floats which float in the water, and dart about if a fish bites, and quiver tips which are mounted onto the tip of the fishing rod. Bite alarms are electronic devices which bleep when a fish tugs a fishing line. Whereas floats and quiver tips are used as visual bite detectors, bite alarms are audible bite detectors.
A fishing line is a cord used or made for fishing. The earliest fishing lines were made from leaves or plant stalk (Parker 2002). Later lines were constructed from horse hair or silk thread, with catgut leaders. From the 1850s, modern industrial machinery was employed to fashion fishing lines in quantity. Most of these lines were made from linen or silk, and more rarely cotton.[3]
Paddling.net has always given me plenty of room to not only discuss paddle fishing things, but other worldly things as well. So, with colder weather upon us and fewer fishing opportunities available, I figured I might as well take full advantage of that luxury and devote an installment to those "other" things. You know, like politics, religion/faith (the huge difference between them), family, crime/punishment, and why Kiss still isn't in the rock and roll hall of fame.
The thickness of the line representing the bottom is also a great clue to bottom hardness. Here the rule is simple – the thicker the line, the harder the bottom. But, be careful – sonar sensitivity can affect how thick the line is. The Deeper display has adjustable sensitivity. So if you turn up the sensitivity to 100%, the bottom line may appear thicker, if you turn it down to 10% it may appear thinner. So practice adjusting the sensitivity and get used to judging how much the bottom thickness varies based on this.
These are very valuable features to target for a range of species, and the good news is, they are easy to spot with a fish finder. As you troll or reel in your device, you will see the depth contour change – don’t forget to use the depth reader on your display (on the Deeper App it’s in the top right corner of the screen) so you can track how quickly the depth is rising or falling.

Lowrance hds 7 gen 2 touch. Took it off my boat when I got low balled on price of boat.... I think it has less the an hour on it... I honestly dont remember using it at all. Regardless, it has very very low hours if it was used at all. No ducer, wire or mounts come with this. Buyer of my boat literally handed me cash that was 500.00 short so I took it, unplugged this and walked away. Perfect for someone that already has lowrance set up on boat. Selling with no reserve. So good luck.
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These are very valuable features to target for a range of species, and the good news is, they are easy to spot with a fish finder. As you troll or reel in your device, you will see the depth contour change – don’t forget to use the depth reader on your display (on the Deeper App it’s in the top right corner of the screen) so you can track how quickly the depth is rising or falling.
While not every object will be as easy to distinguish, you can always get clues from the shape and also the strength of the sonar return. Notice the multiple orange sonar returns underneath the car – these tell you that this is a very hard object. The sonar scans have hit the car, bounced up to the surface of the water, bounced off the surface and hit the car again.
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Important parameters of a fishing line are its breaking strength and its diameter (thicker, sturdier lines are more visible to fish). Factors that may determine what line an angler chooses for a given fishing environment include breaking strength, diameter,castability, buoyancy, stretch, color, knot strength, UV resistance, limpness, abrasion resistance, and visibility.
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