Bedienungsanleitung Lowrance X-55 (Seite 4 von 20) (Englisch)

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POWER

CONNECTIONS

The X-55 works from a

twelve-volt

battery system.

For the best

results,

attach

the

power

cable

directly

to the

battery.

You can attach

the

power

cable

to an

accessory

power buss,

however

you may

have

problems

with

electrical

interference.

Therefore,

its

saferto

ahead and

attach the

power

cable

directly

to the

battery.

If the

cable is not

long enough,

splice

#18

gauge

wire onto it.

The

powercable

hastwo

wires,

red and

black. Red

is the

positive lead,

black is

negative

ground.

Make certain to

attach the

in-line fuse holderto the

red lead as close tothe

powersource

possible.

Forexample,

you

have to extend the

powercable

to the

battery

power

buss,

attach one end of the

fuse holder

directly

to the

battery

power

buss. This will

protect

both the unit and the

power

cable in

the event of a

short. The X-55 uses

3-amp

fuse.

IMPORTANT!

Do not use this

product

without a

3-amp

fuse wired into the

power

cable!

Failure to use a

3-amp

fuse will void

your

warranty.

you're installing

optional speed/temperature

sensor,

read

the

speed/

temperature

sensor's installation

manual for

mounting

instructions.

Route the

sensor's cable to the X-55's

power

cable and

plug

it into the

connector marked

"SPEED/TEMP

CABLE"

NOISE

major

cause

of sonar

problems

is electrical noise.

This

usually appears

on the sonar's

display

as random

patterns

of dots

orlines. In severe

cases,

it can

completely

cover the

screen with black

dots,

cause the unit

operate

erraticly,

or not at all.

eliminate or minimize the

effects of electrical

noise,

first

try

determine the

cause. With the boat

at rest in the

water,

the first

thing you

should

do is turn all electrical

equipment

on the boat off.

Make certain

the

engine

off,

also. Turn

your

X-55

on,

then turn off

ASP

(Advanced

Signal

Processing).

There should be a

steady

bottom

signal

on the

display.

Now

turn

on each

piece

electrical

equipment

on the

boat and view the effect

on the

sonar's

display.

For

example,

turn on the

bilge

pump

and view

the

sonar

display

for noise. If no

noise is

present,

turn the

pump

off,

then

turn

the VHF radio and

transmit.

Keep

doing

this until all electrical

equipment

has been

turned

on,

their effect on

the sonar

display noted,

then

turned off.

you

find

noise interference from an

electrical

instrument,

trolling motor,

pump,

radio,

try

isolate the

problem.

You can

usually

re-route the

sonar

unit's

power

cable

and transducer cable

away

from the

wiring

that

causing

the interference. VHF

radio antenna

cables radiate noise

when

transmitting,

so be

certain to

keep

the sonar'swires

awayfrom

it. You

may

need to route the

sonar unit's

power

cable

directly

to the

battery

isolate

it from other

wiring

the boat.

If no noise

displays

the sonar

unitfrom electrical

equipment,

then make

certain

everythingexceptthesonarunitisturned off,

then

starttheengine.

Increase the

RPM with the

gearshift

in neutral. If noise

appears

on the

display,

the

problem

could be one of

three

things; spark plugs, alternator,

or tachometer

wiring. Try using

resistor

spark plugs,

alternator

filters,

routing

the

sonar unit's

power

cable

away

from

engine

wiring. Again,

routing

the

power

cable

directly

the

battery helps

eliminate noise

problems.

Make certain to use the

in-line fuse

supplied

with

the unit when

wiring

the

power

cable to the

battery.

When

no noise

appears

on the

sonar unit after all of the

above

tests,

then

the noise

source is

probably

cavitation.

Many

novices or

persons

with

limited

experience

make

hasty

sonarinstallations which function

perfectly

shallow

water,

orwhen the

boat is at rest. In

nearly

all

cases,

the cause

of the

malfunction will be the

location and/or

angle

of the

transducer. The

face of

the transducer must be

placed

in a location that has a

smooth flow

water at all boat

speeds.

Read

your

transducer owner's

manual for the

best

mounting position.

FlED

SPEED!

TEMP

SENSOR

X-55 POWER

CONNECTIONS

amp

FUSE

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