Fish-finder Displays
Some of the fish finders give you a choice of the down scan
image that is below your boat. The down
scan image gives you what depth and the topography of the bottom. It will let
you see things sticking up from the bottom. Fish images show up as an actual
size in relation to tree branches and other objects.
The 2D image display that you can view of the down scan is
not as sharp but it lets you see the fish better in relation to objects. The
fish images are enhanced and they are not actual size, but they stand out
better.
If you are using the finder for depth navigation the first
display is better, for fishing the 2D has an advantage to see where they are.
If you have a side scan unit, the side scan lets you know
how far away from the boat objects are. The depth of things is not easily determined
on this scan view.
If you have a unit that has all three displays, you can get
an accurate view of the water around you. An now you can get 360 degree imaging
from the Humminbird 360 degree imaging systems. With this you can see where
fish are hiding. It is almost unfair to the fish.
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