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on the screen in place of the actual fish echoes. There are several fish
symbol sizes. These are used to designate the relative size between tar-
gets. In other words, Fish I.D. displays a small fish symbol when it
thinks a target is a small fish, a medium fish symbol on a larger target
and so on.
The sonar's microcomputer is sophisticated, but can be fooled. It can
not distinguish between fish and other suspended objects such as trot-
lines, turtles, submerged floats, air bubbles, etc. Individual tree limbs
extending outwards from a group of limbs is the most difficult object for
Fish I.D. to distinguish from fish. You may see fish symbols on the
screen when actually, there are no fish. The reverse is also true.
Does that mean Fish I.D. is broken? No — the feature is interpreting
sonar returns in a specific way to help take some of the work out of
reading the screen. Remember: Fish I.D. is one of many tools we pro-
vide so you can analyze your sonar returns for maximum fish finding
information. This and other features can help you successfully see be-
neath the boat under varied water and fishing conditions. So practice
with the unit with and without Fish I.D. mode to become more familiar
with the feature. The default for Fish I.D. is off.
Sonar Features menu with Fish I.D. Symbols selected.
When the check box to the left is checked, the feature is on.