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IMPORTANT
SERVICE INFORMATION!
If
your
unit is not
working,
or
if
you
need technical
help, please
usethe
following
troubleshooting
section before
contacting
a service center or the
factory
cus-
tomer service
department.
It
may
save
you
the trouble of
returning your
unit.
SONAR TROUBLESHOOTING
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. Measurethe
batteryvoltageatthe
unit's
powerconnector.
ltshould be at least
11 volts. If it
isn't,
the
wiring
tothe unit is
defective,
the
battery
terminals
orwiring
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
power
and transducercables
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 for
breaks, cuts,
or
pinched
wires.
3. Check both the transducer and
power
connectors. 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,
andfuelcan cause afilmtoform on
thetransducer,
reducing
itseffectiveness. Ifthetransduceris mounted insidethe
hull,
besure it
isshooting
through only
one
layeroffiberglass
and that it is
securely
bonded to the hull. Do
NOT use RTV silicone rubber adhesive or Marinetexm.
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