Z-6100
Limo
IN
USA.
988-O1O624
EAGLE
Z-6100
INSTALLATION AND
OPERATION
MANUAL
EAGLE
ELECTRONICS
P.O.
BOX
669,
CATOOSA,
ORLA. 74015
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TABLE OF
CONTENTS
SURVEYING A
LAKE
Introduction
2
Installation
2
The most successful
anglers
on
any
lake or
reservoir are those who
Power Connections
3
fish it
day
after
day
and
year
after
year
until
they
learn the
hot
spots
that
Noise
4 produce
fish
consistently. They
discover
through
experience where,
and
Keyboard
Basics
..'Li; 5
at
what
depth,
they
can
expect
to find the
kind of fish
they
want at
any
Operation 7
season. And
they
realize that these
productive
areas
change throughout
On
7
the
year depending
on water
level,
temperature, food,
and other factors.
Off
With the aid
of the
Z-6100,
anyone
can
eliminate
guesswork
and
Auto
concentrate on the areas
where fish are
likely
to be—even if
its the first
Sensitivity 8
time on the lake!
Automatic
Sensitivity
Advanced
10
Chart
Speed 10
The most efficent
way
to
become
aquainted
with a
body
of
water is to
Range
11
survey
it with
your
Z-6100. Start out with a
map
of the
lake,
if
possible,
Lower Limit
11
and indicate the
promising spots
in relation to landmarks on
shore.
Zoom
12
Auto
Range
with Zoom Bottom Track
13
As
you
go
about
your survey, your
Z-6100 will tell
you
the
depth
and
Zone Alarm
14
kind
of bottom. It will also reveal
suspended
fish.
Multiple signals
on the
Di ital
15
dial
usually
indicate a
good
school of fishand
it's worth it to
stop
and
LIght 16
fish
for them. You
may
not
get any
further.
Transducers
and Cone
Angles
16
Keep
a few marker
buoys
in the
boat, ready
to toss overboard. When
Signal Interpretation 17
the Z-6100 indicates a school of
fish,
throw
a
buoy
out. The
string
will
Fish
Signals 18
unwind until the sinker
hits bottom.
Then,
because of the marker's
flat
Surface Clutter
20
shape,
it won't unwind
any
further.
With the school thus
marked, you
can
Water
Temperature
and
Thermoclines 20
make
your
turn and
come back to fish in
exactly
the
right spot
This is
Surveying
a Lake
22
essential when
you're
far from shore on a
big
lake. Unless
you
mark the
Bait Fish
22
school of fish when
you're
over
it,
you may
not be
able to find it
again.
BAIT FISH
The
importance
of bait
fish to successful
fishing
can't
be over-
emphasized. They
are the
principle
food of all
game
fish in most waters.
Bait fish are the
plankton feeding
forage
fish,
such as minnows and
shad. Bait fish can also be the
young
of
game
fish,
such as
crappies,
bluegill,
and bass.
Most bait fish are concentrated within
five feet of the surface
where
sunlight promotes
the
growth
of the
plankton
on which
theyfeed.One
method of
fishing
is to use
the Z-6100 to find the bait fish first. A
school
of bait fish will look like a "cloud" on the
1-6100's
display.
Usually, game
fish will
benearby,
often
directly
beneath the school of bait
fish.
1
22
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Most fish dont
spawn
unless the
water
temperature
is
within rather
narrow limits.
To find
the
different
temperatures,
a surface
temperature
meter,
such as the
EDT-20 is a valuable aid
to
your
boat This unit
provides
an
extremely quick response
to
identifying
the
desired surface
water
spawning temperatures
for various
species.
Trout can't survive in
streams
that
get
too
warm;
bass and
other fish
eventually
die out
when
stocked in lakes that
remain too cold
during
the summer. While
some fish
have a
wider
temperature
tolerance than
others,
each has a
certain
range
within
which it tries to
stay.
Schooling
fish
suspended
over
deep
water lie at the
level that
provides
this
temperature
in
which,
we
assume,
they
are the most
comfortable.
The
temperature
of
water in the lake is
seldom constant from
top
to
bottom.
Layers
of
different
temperatures form,
and the
junction
of a
warm
and
cool
layer
of water
is oalled a
thermoclirie. The
depth
and thickness
of the thermocline
can
vary
with the
season or time of
day.
In
deep
lakes
there
may
be two or
more at
different
depths.
Thermoclines are
important
to fishermen
because
they
are areas where fish
are active.
Many
times
bait fish
wilFbe above the
thermocline while
larger game
fish
will
suspend
in or
just
below it.
The Z-6100 can
detect
this
invisible
layer
in the
water,
but the
sensitivity
will
probably
have to
be turned
up
to see
it
INTRODUCTION
When the Z-6100
Liquid Crystal Graph
(LCG)
is turned
on,
it
will
automatically
find and
display
the bottom
signal
and other
targets.
As the
depth
of the
bottom
changes,
the Z-@100 will
automatically change
the
range
and
sensitivity
to
always keep
the
boffom
signal
on the
display.
If
desired,
the
only
key
that needs to be
touched is the ON
key. Howeve
the
automatic mode can be disabled
which allows the Z-6100 to be
manually adjusted.
The Z-6100 is
nitrogen
filled
and sealed for
complete waterproof
protection.
The
liquid crystal
display
and
keyboard
are
lacklighted
for
easy
use at
night, plus
it's covered
by
a full one
year warranty
which
includes
all
parts
and labor for one
year
from the date of
purchase.
To
get
started with
your Z-610p,
first read the
installation section. This
is where it all
begins,
and
improper
installation can
cause
problems
down the road.
After
you've
read
these instructions and installed
your
Z-6100,
read
the rest of this manual
in detail. The more
you
know
when
you get
to
the
water,
the more
your
Z-6100 will do
for
you.
I
WSTALLATI ON
Mounting
The
Z-6100 can be installed in
any
convenient
location,
provided
there
is
clearance when tilted for
the best
viewing angle.
Holes in the bracket
base allow woed screw
or
through
bolt
mounting.
The bracket can be
aftached to aluminum
panels
with sheet metal sdrews.
However,
we
suggest placing
a
piece
of
plywood
on the back of thin
fiberglass panels
to
secure the
mounting
hardware. Make
certain there is
enough
room
behind the unit to
attach the
power
and
transducer cables.
A 1½"
hole in the base of the
gimbal
bracket allows the
power
and
transducer
cables to be routed
straight
down
through
the
mounting
surface.
The smallest
hole that will
pass
the
transducer connector
through
is
3%" This will allow
the transducer
connector and cable to
be
passed up
through
the
hole and
gimbal bracket
then the
power
cable
wire can
be
pushed
DOWN
through
the bracket and
dash. After the
cables
have been
routed,
the hole
may
be
filled with silicone
rubber
adhesive
(RTV),
or the bracket can
be offset so that the
majority
of the
hole is covered.
21
2
I'll"
AUTO.
III ..
ILl
TI-IERMOCLINE
Simulated
Pictures
Figure
17
U.S
HO
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3
20
SURFACE CLUTTER
The
markings
at the
top
of the
screen
represent
the surface of the
water.
They
can
extendmany
feet below the surface which
can interfere
with fish
signals
or
other
targets.
These
markings
are
called "surface
clutter and are
caused
by algae,
plankton,
bait
fish,
and air
bubbles
created
by
boat wakes or
wave action.
These
marks are normal and can be seen at
any
time
during
the
year.
Power
Connections
The Z-6100
operates
from a 12 volt
battery system.
The
power
cable
can be
attached to an
accessory
or
power buss,
but if
you
have
problems
with electrical
interfemnce
(random
dots or
lines that show
whenever the
boats
engine
or an
accessory
is
on),
then attach
the cable
directly
to the
battery.
The
power
cable has two
wires,
red is the
positive
lead and black is
negative
or
ground.
An
in-line fuse holder
containing
a 3
amp
fuse is
supplied
with the Z-6100. This
attaches to the red wire
on the
power
cable with
the
crimp
connector. The other
end of the fuse holder
attaches to the
battery
or
accessory
buss, If
the
cable is not
long
enough,
splice
ordinary
#18
gaUge
wire onto it
Be certain that the fuse
holder is
as close to the
power source
(battery
or
accessory buss)
as
possible.
This
protects
the
power
cable and
your
Z-6100 in the
event of a short.
The Z-6100 is
protected
from
accidental
polarity
reversals and will
not be
harmed if the wires
are reversed.
(However,
the unit will not
work until the
correct
polarity
is
applied.)
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Figure
16
WATER TEMPERATURE ANb
THERMOCUNES
Water
temperature
has an
important—if
not
controlling—influence
upon
the activities of all fish. Fish are cold
blooded and their bodies
are
always
the
temperature
of the
surrounding
water.
During
the
winter,
colder water slows
down their metabolism so that
they
need about a
fourth as much food as
they
consume in
the summer,
40
OR
S/mu/a led
Pklure
—
SIDE
OF 3A1TER
Figure
1
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