Eagle Electronics FISHSTRIKE 1000C - Manual (Page 72)

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Fish I.D.
 (Fish Symbols & Depths)
The Fish I.D. feature identifies targets that meet certain conditions as
fish. The microcomputer analyzes all echoes and eliminates surface
clutter, thermoclines, and other undesirable signals. In most instances,
remaining targets are fish. The Fish I.D. feature displays fish symbols
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 targets. In other words, Fish I.D. displays a small
fish symbol when it recognizes a target as a small fish, a medium fish
symbol on a larger target and so on.
The sonar's microcomputer is sophisticated, but it can be fooled. It can't
distinguish between fish and other suspended objects such as trotlines,
turtles, submerged floats, air bubbles, etc. Individual tree limbs
extending outwards from a group of limbs is the hardest object for the
Fish I.D. feature to distinguish from fish. You may see fish symbols on
the screen when actually, there are no fish. The reverse also is true.
Does that mean Fish I.D. is broken? No. The feature is simply
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 the many
tools we provide so you can analyze your sonar returns for maximum
fish finding information. This and other features can help you
successfully "see" beneath the boat under varied water and fishing
conditions. Practice with Fish I.D. mode on and off to become more
familiar with it. The default for Fish I.D. is off.
The Sonar Features menu.
To turn the Fish I.D. feature on:
1. From the Sonar Page, press
MENU |
↓ to
S ONAR F EATURES
| ENT.
2. Press
→
to F ISH S YMBOLS
| ENT | EXIT | EXIT .
To turn off Fish I.D., repeat the instructions in step 1.