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IMPORTANT
TROUBLESHOOTING
INFORMATION!
If
your
unit is not
working,
Or if
you
need
technical
help, please
use the
following
troubleshooting
section
before
contacting
the
factory
customer
service
department.
It
may
save
you
the trouble of
retqrning your
unit.
Unit won't turn
on:
1. Check the
power
cable's
connection
at the unit. Also check
the
wiring.
2. Make
certain the
power
cable is
wired
properly.
The red wire
connects
to
the
positive
battery terminal,
black to
negative
or
ground.
3.
Check the fuse.
4. Measure the
battery voltage
at the
unit's
power
connector. It should
be
at least 11 volts.
If it
isn't,
the
wiring
to the unit is
defective,
the
battery
terminals or
wiring
on the
terminals are
corroded,
or the
battery
needs
charging.
Unit
freezes,
locks
up,
or
operates
erratically:
1.
Electrical noise
from the boat's
motor,
trolling motor,
or an
accessory
may
be
interfering
with the sonar
unit.
Re-routing
the
pwerand
transducer
cables
away
from
other electrical
wiring
on the
boat
may help.
Route
the
sonar unit's
power
cable
directly
to the
battery
instead
of
through
a fuse
block or
ignition
switch
2.
Inspect
the transducer
cable f&
breaks, cuts,
or
pinched
wires.
3. Checkboth the
transducerand
powerconnectors.
Make
certain both are
securely plugged
in
to the unit.
Weak bottom
echo,
digital
readings erratic,
or no fish
signals:
1. Make certain
transducer is
pointing straight
down. Clean
the face of the
transducer.
Oil, dirt,
and fuel
can cause a film to form
on the
transducer,
reducing
its
effectiveness. If the
transducer is mounted
inside the
hull,
be
sure it is
shootingthrough onlyone
layerof fiberglass
andthat itis
securely
bonded to the
hull. Do NOT use
RTV silicone
rubberadhesive orMarinetex
N
36*08,8801
U 95*50.529
GROUP 'P'
:ni;
GROUP
"Q"
w1?amg
sHALLOW 0
DEEP 100
ARRIVAL 0.10
XTE
0.60
U
a
,..r-
•
018
0.13
RG 19?
coo 69°
22.0
100
____________
12T
02
.j.
'..
i..i PL.2
14 1
19°:
74°:
36
GROUP "H"
:sfl
65.5
SOB 22.0
:
GROUP
"1"
2. Electrical
noise from
the boat's motor can
interfere with the sonar.
This
causes the sonar to
automatically
increase its Discrimination or
noise
rejection
feature. This
can cause the unit to
eliminate weaker
signals
such
as fish or even
structure from the
display.
FT
38.'l
'
SIi
.<
65.5°F
.1a.
N
1.1FT I
rn
55,5°F
J
S UI!
—
3,7MPH
tRIP 944
e9
BRG 203°
coo 73°
11.2M1
GROUP "V'
GROUP "W"
38
41
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