Bedienungsanleitung Lowrance X-55A (Seite 13 von 28) (Englisch)

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terminals or

wiring

on the terminals are

corroded,

or the

battery

needs transducer into the

epoxy, twisting

and

turning

it to force

any

air bubbles

charging.

Unit

freezes,

locks

up,

operates erratically:

1. Electrical noise from the boat's

motor, trolling motor,

or an

accessory

may

interfering

with the sonar unit.

Rerouting

the

powerand

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

Inspect

the transducer cable for

breaks, cuts,

pinched

wires.

3. Check both 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 ismounted inside the

hull,

sure it

shooting through only

one

layerof fiberglass

and that it is

securely

bonded tothe hull. Do NOT use RTV silicone rubberadhesiveorMarinetex

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.

3. The water

may

deeper

than the sonar's

ability

to find the bottom. If

the sonar can't find the bottom

signal

while it's in the automatic

mode,

the

digital

will flash

continuously.

may change

the

range

to limits far

greater

thanthewateryou

are in. If this

happens, placethe

unit in the manual

mode,

then

change

the

range

to a realistic

one, (for example,

0-100

feet)

and

increase the

sensitivity. Asyou

move

into

shallowerwater,

a bottom

signal

should

appear.

4. Check the

battery voltage.

If the

voltage drops,

the unit's transmitter

power

also

drops, reducing

its

ability

to find the bottom or

targets.

Bottom echo

disappears

high speeds

or erratic

digital reading

weak bottom echo while boat is

moving

1. The

transducer

may

be in turbulent water. It must be mounted in a

smooth flow of water in order for the sonar to work at all boat

speeds.

Air

bubbles in the water

disrupt

the sonar

signals, interfering

with its

ability

find the bottom or

other

targets.

The technical term for this is Cavitation.

out from under the transducer face. The

face of

the

transducer should

parallel

with the

hull,

with a minimum amount of

epoxy

between the

hull and transducer. After the

epoxy dries,

route the

cable to the

X-55A.

KEYBOARD

The

keyboard

has

keys arranged

in two

vertical columns

plus

horizontal

row at the bottom. The

keys

in the left column are used to enter numbers

and menu selections. The

keys

in the

right

column activate the windows

feature and the basic sonar functions. The menu

key

in the bottom

right

corner of the

keyboard

activates the first

page.

The

keys along

the

bottom of the screen are used

to activate the alarm

menu, stop

the

chart,

and make menu selections with the arrow

keys.

WINDOWS

This

key

gives

you

access to the windows

mode,

which lets

you

customize

displays.

SENS

Press this

key

adjust

the unit's

sensitivity.

RANGE

This

key

lets

you adjust

the

range

when the unit is in the manual

mode.

ZOOM

The X-55A

gives you

2X and 4X zoom

capability

with this

key.

AUTO

This turns the automatic feature off and on.

Press this

key

to show the menus

and

gain

access to most

functions.

CLEAR

This

key

clears menus and erases entries from the screen.

ALARM

Press this

key

to activate

any

of the sonar alarms.

STOP

When this

key

pressed,

the chart

stops scrolling.

This doesn't

affect the

digital display,

however.

ARROW KEYS

These

keys

are used to make menu selections and to

move

objects

on the screen.

The ON

key

turns the X-55A on.

OFF

Press and HOLD the Off

key

to turn the X-55A off.

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