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To turn off upper and lower limits:
From the Sonar Page, press
MENU|↓ to AUTO DEPTH RANGE|ENT|EXIT.
FasTrack
This feature automatically converts all echoes to short horizontal lines
on the display's far right side. The graph on the rest of the screen
continues to operate normally. FasTrack gives you a rapid update of
conditions directly under the boat. This makes it useful for ice fishing,
or when you're fishing at anchor. When the boat is not moving, fish
signals are long, drawn out lines on a normal chart display. FasTrack
converts the graph to a vertical bar graph that, with practice, makes a
useful addition to fishing at a stationary location.
Sonar Page showing FasTrack.
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 outward from a group of limbs are the hardest objects 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.
Surface clutter
Structure
Grayline
Bottom signal
Fish arches
FasTrack,
fish arches
show as
horizontal
bars.
FasTrack
bar graph