Specifications

SONAR MENU
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PAGE 1
FISH l.D.
The Fish LD. feature
identifies
targets
that meet certain
conditions
as
fish. The
micro-computer
analyses
all echoes and
eliminates surface
clutter,
thermoclines,
and
other
signals
that are
undesirable. In most
instances,
remaining targets
are fish. The Fish LU.
feature
displays
symbols
on
the screen in
place
of the actual fish
echoes. There are
four fish
symbol
sizes:
tiny,
small,
medium,
and
large.
These are
used
to
designate
the relative
size between
targets.
In other
words,
it
displays
a small fish
symbol
when it thinks a
target
is
a small
fish,
a
medium fish
symbol
on a
larger target,
etc.
The
micro-computer
is
sophisticated,
but it can
be fooled. It cannot
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 hardest
object
for
the
Fish l.D. feature to
distinguish
from fish. You
may
see Fish ID.
symbols
on the screen when
actually,
there are no fish.
Practice with
the unit in both the Fish l.D.
mode and without to become more
familiar with the Fish l.D.
feature.
When the UltraNav is turned
on, the Fish 1.0. feature is
automatically
turned
on,
also.
To turn the Fish l.D.
feature
off,
press
the menu
key,
then
press
the
key adjacent
to the "Turn Fish-ID
Off"
label. Or
press
the AUTO
key.
This turns the Fish 1.0.
feature and automatic off at
38.3
FT
.1
CHiiRT
OFF
500
A
20*
40°
18
87
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