Bedienungsanleitung Lowrance X-40 (Seite 4 von 18) (Englisch)

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Power Connections

TheX-40

operates

from a 12 volt

battery system.

Attach the

power

cable to an

accessory

power

buss. If

you

have

problems

with electrical

interference,

then

attach the cable

directly

to the

battery.

Electrical

Interference shows as random dots on the

display

whenever the

boat's

engine

or an

accessory

is on.

The

power

cable has two

wires,

red is the

positive

lead and black

negative

ground.

Attach the in-line fuse holder to the red wire on the

power

cable with the

crimp

connector. The other end of

the fuse holder

attaches to the

battery

accessory

buss. If the

cable is not

long

enough,

splice

ordinary

#18

gauge

wire onto it. Be certain that the fuse

holder is

as close

to the

power

source

(battery oraccessory buss)

possible.

This

protects

the

power

cable and

yourX-40

in the event of

a short. Use a

3-amp

fuse.

The

X-40 has reverse

polarity protection.

damage

will occur if

the

wires are reversed.

(However,

the unit will not work until

the wires are

attached

correctly.)

on the screen.

Signals

weaker than the GRAYLINE

setting

are

displayed

black, stronger targets

are

gray.

It also

gives

clues to the

compostition

of the bottom. In other

words,

you

can tell if the bottom is soft or hard. A

hard bottom

returnsastrong signal causing

awide

gray

line. A

soft,

muddy

weedy

bottom returns a weaker

signal

which is

emphasized

with a

narrow

gray

line.

IN-DASH -A

sonar unit installed

through

a hole In the boat's dash.

Usually,

the face of the sonar is

flush or

nearly

so with the dash.

kHz

Kilohertz. A

measurement of

frequency.

Your Lowrance sonar

operates

at 192

Kilohertz.

(192,000 cycles per second).

LCD

Liquid

crystal display. Thescreenordisplay

of a

Liquid Crystal Graph

sonar

instrument.

LCG

Liquid Crystal Graph.

NOISE

Any

undesired

signal.

Electrical noise

is caused

by engine

ignitions systems,

radios,

etc. Acoustic noise is caused

bythe

vibration of

the

engine

or other mechanical sources. It

appears

on the

display

random dots or

lines.

OPERATING FREQUENCY

Frequency

that the sonar unit's

transmitter

and

receiver are tuned to.

OUTPUT POWER

-Theamplitude

of electrical

energytransmitted

fromthe

sonar unit to the transducer. Measured in

watts,

the

higher

the

output

power,

the

deeper

a sonar unit can

read,

and more

detail can be

displayed.

PEAK-TO-PEAK

A measurement of

the transmitter's

power output.

PIXEL

The small dots

squares

on a

liquid crystal display

or Crt.

PIXEL DENSITY -The number of

pixels per square

inch on a

liquid crystal

display.

The best

resolution is obtained when a

high

number of

pixels

are

in the vertical.

PULSE LENGTH

The amount of time that

the sonar transmits. This is

measured in

micro-seconds. The shorter the

pulse length,

the better the

resolution. For

example,

a 30 micro-second

pulse length

equal

to a one

inch resolution.

RANGE

The section of water shown on the sonar

display.

For

example,

3-AMP

VOLT BATTERY

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