Lowrance X-40 User Manual

(

X-40

CRYSTAL

AND OPERATION

ELECTRONICS,

DR., TULSA,

UTHO

IN U.S.A.

LIQUID

INSTALLATION

•eLOWRANCE

12000 E. SKELLY

988-0105-09

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GRAPH

MANUAL

INC.

OK 74128

TABLE OF

POWER
NOISE

TRANSDUCER
KEYBOARD

DISPLAY
OPERATION

ON

CLEAR
AUTO

SENSITMTY
CHART SPEED

SCALE
RANGE

LOWER LIMIT
UPPER

AUTO BOTTOM
GRAYLINE

DIGITAL

TENTHS
ALARMS

NOTE KEY

ZONE ALARM

DEPTH ALARM
LIGHT

DiSCRIMINATION

8CC

FEET-FATHOMS-METERS
PULSE
COMMAND

MENU #1 - SPEAKER
MENU #2- GRAYLINE

MENU #3
MENU #4

TRANSDUCERS AND
SIGNAL

FISH SIGNALS
WATER

SURVEYING A LAKE
BAIT P1514

HOW

TO OBTAIN SERVICE

SCHEMATIC AND PARTS LIST
SPARE

SPECIFICATIONS

GLOSSARY

CONTENTS

CONNECTIONS 2

BASICS

INTERPRETATION

UM1T

TRACKING

VOLUME

-

SCALES

-

DIGITAL

INTERPRETATION

TEMP. AND

PARTS

CHECKS/LINES

AVERAGING

CONE ANGLES

THERMOCLINES

3
3

4

6
7
7

7

s

8
9

11
11

12

12
13

14
15

16

16
16
17

18
19

19
20

21

22

22
23

24
24

25
26
27

28
29

31

32

32
32

33
33

34

TRANSDUCER -The element of a sonar

energy

from the

echo strikes the
energy

TRANSOM MOUNT-

on ti .e transom o. t1

UPPER/LOWER

which is

1.

screen or
the lower limit
feet as the

VIDEO GRAPH
WINDOW

20

feet and a lower

ZOOM

-

A feature

transmitter Into ultrasonic

transducer,

received and

A method of

S I I...

e oat.

UMIT-These

paper.

-

The

upper

is at the bottom. For

limit and 30 feet as

upper

-

A

sonar unit that uses

A

segment

of the

limit of 50 feet creates

that

enlarges targets

it converts

displayed by

mounting

arethe

limit is shown

example,

the lower limit.

depth range.

system

that convertsthe

electrical

sound waves. When a

return

the sound waves into electrical

the sonar unit.

transducers or other sensors

limits

range

at the

displayed

of the

top

a 20 to 30 foot

a CRT or television

For

example,

display,

range

type

an

upper

on

the sonar

display.

has20

limit

a 30 foot window.

on the

display.

while

of

Copyright

© 1987 Lowrance

Elecfronios,

Inc. All

Rights

Res3rved.

37

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a 60 foot

REMOTE

has zero for the

range

-

An

Intelligent "repeater"

limit and 60 for the

upper

unit that receives

lower limit.

depth

from another sonar unit. A remote doesn't have a transmitter

However,
separately

RESOLUTION

it does have ft's own features that are

from the master.

-

The

of a sonar unit to

ability

separate targets

adjustable

other or the bottom.

-

RMS

A standard

SCALE

ofatarget, simply compare

markers on the

-

The

markings

display.

of transmitter

rating

on a sonar unit's

the

target's

power output.

display.

location to

To determine the

the location of the scale

information

or receiver.

and

operate

from each

depth

INTRODUCTION

Welcome to the world of

is a

high quality sonardesigned

X-40

automatically

by

by turning

just

finds and

it on. As

for both

displays

become

you

sportfishlng

professional

the bottom

familiar with

of its remarkable features. "Fine tune"

to

conditions

You can

shallower or

the most from

get

program

deeper

fish enters an alarm

each other.

Lowrance

Only

maximum

potential.

the X-40 to sound alarms

than a

preset depth.

zone. Zoom in and

gives you

your

the

sonar.

An alarm will also sound

separate

power

sonar.

Your Lowrance X-40

and novice users. The

depth,

your

the unit to

when the boat

fish from

to

adjust

and structure

fish,

try

some

X-40,

the surrounding

goes

when a

structure and

a sonar unit

to its

SECOND ECHO -Another echo that

of a

bottom,
returing

SECOND FUNCTION KEY

primary keys
other

function

SENSITIVITY

lncreasingthe sensitivity

echo. This is caused

target

strikingthe

surface of

by

thewater,

to the surface.

-

A button that converts the functions

on the

keyboard.

with two functions. You can switch functions

keys

key.

-

The

ability

Sonar unitswith a second function

of a sonar unit's receiver to

allows

weakertargets

registers

the sound

at

roughlytwice

waves

travellingtothe

to be

bottom

displayed.

the

depth

reflecting

off the

again,

of the

key

with the second

display targets.

Also called

"gain".
SCROLL SPEED - See CHART

SHOOT-THROUGH-HULL
sonar

signals

hull.

SUPPRESSION
ence or noise.

SURFACE CLARITY CONTROL- Reduces or eliminates undesirable
nals

displayed

THERMOCLINE

of water. Thethermocline

layers

to

pass through

-

A method used in some sonar unftsto

near the water's surface. Also called "SCC".

-Alayerofwatercaused bythe meeting

SPEED.

-

A transducer installation which allows the

a

fiberglass

providesthetemperature

hull without

cutting

a hole In the

eliminate interfer-

of warm

mostfish

and cool

prefer.

and

have

sig-

TogetstartedwithyourX-40,first

is where it all

begins,

the road. After

you've

and

improper

read these instructions

the rest of this manual in detail.

water,

when

the more

head to the lake.

you

X-40 will do for

your

INSTALLATION

Mounting

clearance when tilted for the best

allow wood screw

aluminum

back of thin

certain there is
transducer cables.

hole in the base of the

the

mounting

through

hole and

the bracket and dash.

rubberadhesive

the X-40 in

Install

or

panelswith

fiberglass panels

enough

You can route the

surface. The smallest hole

is

gimbal

Pass the transducer connector and

3/4".

bracket. Then

(RTV).

any

through

metal screws. Place a

sheet

room behind the unit to attach the

power

gimbal

After

routing

Offset the bracketto coverthe

to secure the

bracket. Then

readthe installationsection.

installation can cause

and installed

The more

you.

convenient

viewing angle.

bolt

mounting.

know when

you

Take this

location,

Holes in the bracket base

piece

mounting

and transducer

cables

pass

that will

push

the
the

cable wire down

power

cables,

fill the hole with silicone

problems

your

you get

manual

for reference

provided

Attach the

of

plywood

hardware.

through

them

through

one connector

pass

cable

up

majority

This

down

read

X-40,

to the

there is

bracket to

onthe

Make

the

and

7/B"

power

a hole in

through

of

the

through

the hole.

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36

1

Power Connections

TheX-40

cable to an

interference,
Interference shows as random dots on the

engine

or an

operates

accessory

then

attach the cable

accessory

from a 12 volt

or

power

is on.

buss. If

directly

battery system.

you

have

problems

to the

display

Attach the

with electrical

battery.

whenever the

Electrical

power

boat's

on the screen.

in

black, stronger targets

Signals

of the bottom. In other

hard bottom

or

weedy

narrow

returnsastrong signal causing

bottom returns a weaker

line.

gray

weaker than the GRAYLINE

are

words,

It also

gray.

can tell if the bottom is soft or hard. A

you

signal

clues to the

gives

awide

which is

gray

setting

are

compostition

line. A

soft,

emphasized

displayed

muddy

with a

The

is

negative

power

attaches to the

splice
as close

protects

fuse.

the

wires are reversed.

attached

power

or

ground.

cable with the

ordinary

to the

the

power

The

X-40 has reverse

correctly.)

3-AMP

cable has two

crimp

battery

#18

gauge

source

power

cable and

red is the

wires,

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

positive

connector. The other end of

or

accessory

buss. If the

cable is not

wire onto it. Be certain that the fuse

(battery oraccessory buss)

yourX-40

polarity protection.

(However,

in the event of

No

the unit will not work until

lead and black

the fuse holder

long

enough,

holder is

as

possible.

a short. Use a

damage

will occur if

the wires are

This

3-amp

IN-DASH -A

the face of the sonar is

-

kHz

operates

-

LCD

sonar

-

LCG

NOISE
ignitions systems,

the

engine

random dots or

OPERATING FREQUENCY

and

receiver are tuned to.

OUTPUT POWER

sonar unit installed

flush or

Kilohertz. A

at 192

Liquid

crystal display. Thescreenordisplay

instrument.

measurement of

Kilohertz.

through

nearly

(192,000 cycles per second).

Liquid Crystal Graph.

-

Any

undesired

radios,

signal.

etc. Acoustic noise is caused

Electrical noise

or other mechanical sources. It

lines.

-

Frequency

-Theamplitude

of electrical

a hole In the boat's dash.

so with the dash.

frequency.

that the sonar unit's

sonar unit to the transducer. Measured in

power,
PEAK-TO-PEAK

the

deeper

PIXEL - The small dots

a sonar unit can

-

A measurement of

or

squares

read,

and more

the transmitter's

on a

liquid crystal display

Your Lowrance sonar

of a

Liquid Crystal Graph

is caused

bythe

the

on the

higher

appears

energytransmitted

watts,

detail can be

power output.

Usually,

by engine

vibration of

display

transmitter

as

fromthe

the

output

displayed.

or Crt.

12

VOLT BATTERY

2

PIXEL DENSITY -The number of

display.

in the vertical.
PULSE LENGTH

measured in
resolution. For
inch resolution.

RANGE

The best

-

The section of water shown on the sonar

resolution is obtained when a

-

The amount of time that

micro-seconds. The shorter the

example,

a 30 micro-second

pixels per square

35

inch on a

number of

high

liquid crystal

are

pixels

the sonar transmits. This is

pulse length,

pulse length

display.

the better the

is

equal

For

to a one

example,

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NOISE

GLOSSARY
ANCHOR WATCH

when the boat drifts

points.

A

into shallower or

selling

of the sonar unit's

deeper

-

BACKLIGHTEDAdisplayorkeyboardillUminatedfrombehitX1

Back-lighted displays
navigating.

CAVITATION

transducer

or
CHART SPEED

recorder.
graph. (Also

CONE ANGLE

transducerswith

-Air bubbles created

through

-(1)

The

(2)

speed

"scroll

called

-Width of the transducer's cone

coneanglesfrom 8to45degreesto

and

keyboards

water.

The

of an

speed

image

speed").

are essential

bythe high speed

of the chart

across the screen of a

alarm. The alarm activates

water than the alarm set

byalight.

when

night fishing

movement of a boat

a

on

paper

paper

liquid crystal

of sound. Lowrance

suitthevarying

of fishermen.

-

CRT

Abbreviation for Cathode

DEFINITION
resolution

-

The

display

of a sonar unit's

ability

can show

Tube.

Ray

more detail

See Video

display

Graph.

to show detail. A

than a low resolution one.

or

graph

has

needs

high

Minimize electrical noise

other

possible

generators
instrument

sources

is the

panel.

which radiates HF

power
pump

away

and transducer cables

can sometimes radiate

wiring

from those wires.

of electrical interference. One of

engine's wiring

harness

This

frequency) energy.

(radio

VHF radio antenna cables radiate

than even

power

cables.

speed

This noise is

the transducer.
rpm.

Usually,

noise. Thefasteraboattravets,

noise on the
owner's manual for

the

engine's wiring

and transducer cables as far

If interference

increases,

not

If the noise

air bubbles

display.

begins

then a

Stop

probable

electrical,

the

boat,

does not increase on the

passing

To eliminate

proper

routing

by

the

power

cable

the

harness that runs

usually

away

contains awirefor the

from the

noise so

RF

harness.

at slow boat

It

is

away

speeds, worsening

cause is acoustic noise,

but rather

put

mechanically

the

engine

overtheface of thetransducer

from the

For best

engine wiring.

to

try

keep

energy

important

as

at

higher power

to

possible

induced noise from

in

neutral,

display,

then

results, keep

the X-40's cables

and increase the

the moreair bubbles increaseand

this

problem,

mounting techniques.

read

from

away

largest

engine

noise

to the

tachometer

the

Also, bilge

levels

the X-40's

keep

from VHF radio

as the boat

or cavitation.

it is cavitation.

createacoustic

generate

the transducer

DISCRIMINATION

-

A feature

display onlytrue target
cuts out false

FISH ALARM

FISH ARCH
upsidedown

FLUSH MOUNT

bottom of the

signals

-
"V" orarch. This

transducer flush with the bottom

GIMBAL BRACKET

from other sonar, noise, thermoclines,

-

An alarm that activates

A sonar with

-

transom mount transducer

A

-

A bracket

The sonar unit can rotate

GRAYLINE -Thisfunction shows

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thatallows the sonar to eliminate

information.

Discrimination on

when a fish is detected.

resolution

good

distinguishesfish

used to install

displays

in the bracket for the best

the relative

34

Lowrance

fish

signalsfrom

that is installed

of the hull.

a sonar unit

viewing angle.

strength

of

signals displayed

noise and

products

and more.

signals

with an

othertargets.

with the

permanently.

TRANSDUCER

Installation

in a

separate package.

install the transducer.

instructions for the transducer are

Please

read the instructions

3

with the transducer

carefully

before

you

KEYBOARD

This section

Operation

GRAYLINE SET Press this

the

grayline

DIGITAL SONAR The

sonars in one

is the

graph, designed

echoes. The other sonar is the
designed

the
digital display

alarm

ZONE ALARM

controls the X-40's zone alarm. ft's
rnonly

(such

the alarm if It enters the alarm

UPPER LIMIT
LOWER

Umit

depth ranges.
and then

lowerlimit

the

Lower Limit

displayed

for

bottom

functions.

used as a "fish

as a fish or school of

LIMIT The

keys

press

key.

for the

depth

at the

BASICS

a brief

gives

section for a detailed

to

level.

housing.

one

only

depth.

off oron and

KEYS This

allow

you

Enter the desired

the

appropriate upper

The

top

determines the

key

bottom.

key

is

X-40

really

The mostobvious

to show all

purpose:

These

Upper

to show

turn the

keys

the the

group

alarm." A

will set off

fish)

zone.

and Lower

to select different

Limit

Upper

of the

keysets

display.

description

adjust

two

return

digital,

digital

cf

keys..—

corn-

target

depth

or

The

depth

explanation

of

SHALLOW

F

CLEAR][

of the

each

1

4

7

5121

UPPER

LIMIT

keyboard.

Read the

key's operation.

DIS PLAY

2

5

SOC

8

BTM TIlIC 9 I'T/FA/M

I)

PULSE

"ND

C

3
6

LowER

LIMIT
AUTO

11

JtI.IGHY

]

ON

SPARE

order,

to the

(Note:

Part

151-0071-00 Power

003-2249-00 Gimbal Knobs

PARTS

The

following

simply

above address.

Number

write the list of

Price

subject

is a list of the most

parts required

to

change

without

Description

Cable 6.75

notice.)

(w/washers,

003-2045-00 Gimbal Bracket
003-2181-00 Fuse Holder

(w/3 amp fuse)

988-0105-09 Owner's Manual

SPECIFICATIONS

Dimensions

Weight
Transmitter

Frequency

Output

Receiver

Operating

Sensitivity

Current

Power

5

3/4"H

1

3/4 pounds

192 kHz

600 watts

75 watts RMS

>

85 db

200 ma
500 ma

commonly

on a

slip

x 8

3/16W

to

peak

peak

temperature

(lights off)
(lights

on)

needed

of

paper

2

ea.)

x 2

5/8"D

typical

stabilized

To

parts.

and mail it

Price

3.95

7.75

3.95

2.50

CLEAR The
entry.

will see

you

C

CLEAR

erases the last

key

ft can also erase other

later.

features,

as

ON OFF
off. Toturn

To turn it

tone or
telling you

mand,

4

ThesekeystumtheX.4Oonand

iton,

simplypressthe Owkey.

off,

Pressing any key generates

"beep."

the OFF

press

This is the X-40's

that

it has

key.

accepted

way

a com-

a

of

Operating

Number

Depth

Capability

Voltage

of

pixels

9-15 vdc
192 x

64

(vertical x horizontal)

12,288

300'-SOO'

(with

500'-700'

with 8

Total

typical

20

degree transducer)

typical

degree transducer)

33

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