Fig. 7
6. Use a
good quality two-part
epoxy
to bond the
transducer
to the hull. Do not use
silicone rubber sealer or
any
adhesive that
does not
get
rock hard.
Follow the instruc-
tions on the
epoxy package
and mix it
thoroughly.
Apply
a small
amount on the entire
face of the transducer and
pour
1/16" thick level into the
area contained
by
the
clay
dam. Place the
transducer
into the
epoxy by pushing
and
turning
to force
all of
the
air
bubbles out from under the
transducer face. The trans-
ducer
face should
be
parallel
with the boat
hull,
with a
minimum amount of
epoxy
between hull and transducet
Weight
the transducer
down
until the
epoxy
cures.
7.
Route the transducer cable
along gunwales
and
away
from
power
cables.
TRANSOM MOUNT
1.
Loosely
attach
the brackets to
the transducer
with the
hardware
provided.
2. Locate the
bracket where the
flow of water
is smoothest
with minimum turbulence
and bubbles.
Also,
the bracket
or transducer should not in-
terfere with the boat trailer
or
hauling
of
the boat.
3.
'T'pically,
the transducer
should be
located
halfrway
be-
tween the
center of the
transom and the outside
edge
of the
hull.
(See
Figure
8.)
The
transducer should be
mounted
away
from
stakes,
ribs,
or other hull
fittings
that can cause turbulence.
4. If the hull deadrise exceeds 4
degrees,
a shoot-thru-hull
mount on the
centerline of
the hull or an
optional
trans-
ducer should be used.
(See
Figure
9.)
5. Place the bracket
against
the
transom in the selected area
with the bottom of
the
traps-
ducer flush with the bottom
of
the hull.
Align
the transducer
with
the bottom of the boat
hull
by using
a
straight edge.
Mark thetransom for
drilling
Your EAGLE trans-
lates time into dis-
tance
—
the farther
the sound waves
go,
the
longer
it
takes
them to return to the
transducer and the
greater
the
depth
shown on the dial.
Nowhere is this shown
more
clearly
than
when
your
boat
passes
over
a
steep, rocky
underwater
ledge
or
cliff,
either vertical or
inclined at a
steep angle.
Assume
the
top
of
the cliff is 15 feet be-
neath
the surface of
the
water,
and the bot-
tom is
50
feet
deep.
Sound waves will hit
rough spots
on
the cliff
all the
way
down. As
the
result,
the
signals
on the dial will cover
an area
extending
from 15 to 50
feet
—
a
condition that could
easily
lead to confu-
sion until
you
under-
stand it.
5
14
SIGNALS FROM
STEEP,
ROCKY LEDGES
Fig.
9
k
DEAD
\
RISE 100
Fig.
18
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