A fish finder is for anglers so that they can locate the structure, the depth and FISH under and, with the new technology, all around the boat.Fish finder has two different types who are a color or a monochrome (black and white) fishfinder.
Obviously, the color fish finder is much easier to read. When you look at the screen of the fish finder, it will show 3 colors red, yellow and blue. The blue is the easy one; it is showing the water under the boat. The red on the screen shows the top of the water and anything dense underneath the boat. Sometimes it will show yellow, which means that the object is not as dense as the red. When you look at the screen, you will notice red arches that show up in the blue area. This is showing fish movement. The fishfinder will also show big balls of red, which usually means that there is a bait ball underneath the boat. If you see arches under the red balls it means the fish are pushing the bait towards the water surface.
The color fishfinder is much easier to see during the day than the monochrome fish finder. The color combo models also plot much faster, especially with the broadband technology that exists in the new Lowrance HDS fish finder models. It uses a highly sensitive digital filtering process that enables the user to troll faster and see the fish that are under and around the boat. Also, in shallow water it cuts through the clutter (which usually is either shallow depths or currents) and makes it easier to see the fish at that shallow water depth. This is the usual depth that the average angler fishes.
The black and white (Monochrome) fish finder works just like the color fish finder but is much harder to read for the recreational angler, especially in the daylight. Like the color fishfinder, it shows the bottom and top of the water underneath the boat. But instead of showing the density of what is underneath the boat, the monochrome fish finder just shows the bait balls and the arches. It only shows them in black, which makes it harder to differentiate between the bottom and what is actually fish. Also, the monochrome fishfinder choices usually come in smaller size screens than that of the color fish finder models.
If you are in the market for a new fishfinder, it is better to spend the extra money and buy a color model. Not only will it save you time and eventually money (gas savings), but it will make it much easier to see the fish that are around your boat. To quote one satisfied fisherman: "not only does it let you see into the water; but through it and the definition is absolutely incredible."
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