Lowrance X-4 User Manual

INSTALLATION AND OPERATION MANUAL

X-4

N

RECORDER

ELECTRONICS,

DR., TULSA,

OKLA. 74128

INC.

Litho in U.S.A. 988-0105-21

LCG

LOWRANCE

•

12OOO

E.

SKELLY

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TABLE OF

CONTENTS

Introduction Installation Power Connections

Noise Keyboard

Operation

On

Off 2nd Clear

Auto Sensitivity

Automatic Chart

Range

Lower Limit

Upper Scale

Auto

Digital 15

10th

Alarms Zone

Note Clearing

Depth Discrimination

Light Surface Feet-Fathoms-Meters

Transducers and Cone Signal Interpretation

Fish Water Bait Fish

Surveying

How to Obtain Service How to Obtain a Schematic

Specifications 32

Basics

Sensitivity

Speed

Limit

with

Range

Alarm

Key 20

Zone Alarm

Alarm

Clarity

Signals

Temperature

Advanced

Zoom Bottom Track

Control

(SCC) 23

Angles 25

and

Thermoclines 29

a Lake

10

io

ii

i 2

13 14 15

17 17 18

20 20 22

23 24 26

27 30

30

31 31

2 2 3 4 5

7 7

7

7 a 8

8

1

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COMMAND SUMMARY INTRODUCTION

1. DIGITAL ON/OFF DIGITAL

2. DIGITAL NUMBERS SIZE

3. DIGITAL—TENTHS

4. AUTOMATIC FUNCTIONS AUTO ON/OFF

5.SCC

6. VIEW SCC WITHOUT SCC

CHANGING

7. CLEAR ENTRY CLEAR

8. FREEZE CHART STOP/RESUME

9. RESTART CHART STOP/RESUME

10. DISCRIMINATION

11. AUTO RANGING WITH WINDOW

ZOOM BOTTOM TRACK

12. INCREASE SENSITM1Y PRESS> KEY

13. DECREASE gENSITIVI1Y PRESS <KEY

14. INCREASE CHART SPEED PRESS FAST

15. DECREASE CHART SPEED PRESS SLOW

16. VIEW CHART SPEED

WITHOUT CHANGING

17. TURN LIGHTS ON or OFF

18. FEET-FATHOMS-METERS

19. ZONE ALARM SET SHALLOW SET .or

20. DEPTH ALARM SET SHALLOW

21. CLEAR ZONE ALARM

22. CLEAR DEPTH ALARM

23. TURN ALARM TONE ON/OFF

7

2nd,

DIGITAL

2nd,

0-10,SCC

DISC

0-5,

SLOW or FAST

2nd,

AUTO

2nd,

9

2nd,

DEEP

SET,

DOWN

DEEP

CLEAR, CLEAR,

CLEAR, NOTE KEY

ARROW to

ALARM, depth

SHALLOW SET SHALLOW

DEEP ALARM

SIZE, 2nd,

KEY

UP ARROW

ALARM, depth

8

or

adjust depth

or DEEP SET

ALARM

Welcome to the

high quality X-4

automatically

sonar

by just turning

world

designed

finds and

it on. As

of

sportfishing

for both

displays

you grow

professional the

familiar with

Your Lowrance X-4 is a

sonar.

and novice

bottom

depth, fish,

X-4, you

your

of its remarkable features and 'fine tune" the unit to the

conditions.

You can

foot

preset

To

where it all

program

sound alarms

depth,

started with

get

begins,

the road. After the rest of this manual in detail. The more

more

the

water, User's

Card,

-

when

INSTALLATION

Mounting

The X-4 can

clearance base allow wood screw attached

suggest

to secure

behind the unit to

A

i/il'

transducer cables to be routed

surface.

when tilted for the best

to aluminum

placing a piece

the

hole in the base of the

The smallest hole that will

This will allow the transducer connector and cable

through pushed routed,

bracket can be offset so that the

the hole and

down

the hole

the X-4 to

when the boat

display

the bottom

shallower or

goes

depth

or when a fish enters an alarm zone ..

your X-4,

and

read these instructions and installed

you've

X-4 will do for

your

head to the lake.

you

be installed in

panels

mounting

attach

gimbal

through

the bracket and dash. After the cables

be filled with silicone

may

first read the installation section.

improper

or

of

hardware. Make certain there is

the

installation can cause

know

you

Take this

you.

convenient

any

viewing angle.

through

plywood

bolt

with sheet metal screws.

on the back of thin

and transducer cables.

power

straight

pass

bracket

majority

bracket allows the

then the

gimbal

location,

mounting.

down

through

one connector

power

rubber adhesive

of the hole

manual,

Holes in the bracket

The bracket can

deeper

.

plus

when

provided

However,

the

to be

cable

is covered.

users.

and structure

can

try

surrounding

tenths of a

in

than a

much more.

This

problems

your X-4,

you get

or at least the

there is

we

fiberglass

enough

power

through

passed up

room

and

mounting

is

wire

can be

have been

(RTV),

The

some

is

down

read

to

the

be

panels

¾".

or the

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33

2

Power Connections

X-4

The

operates

be attached to an with

electrical interference

boat's

engine

battery.

The

power negative supplied

with the the

ordinary

close to the

protects protected

wires are reversed. polarity

or

ground.

with the X-4. This attaches to the red wire on the

crimp

battery

or

#18

gauge

power

the

power

from accidental

is

applied.)

from

accessory

or an

accessory

cable has two

An in-line fuse holder

connector. The other end of the

accessory

wire onto it Be certain that the

source cable and

(However,

a 12 volt

or

power buss,

(random

is

wires,

battery system.

dots or lines that show whenever the

then

on),

red is the

attach the cable

containing

The

but if

you

positive

power

have

lead and black is

a 3

fuse holder attaches to

buss. If the cable is not

long enough, splice

fuse holder is as

(battery

your

polarity

or

accessory buss)

X-4 in the event of a short. The X-4 is

reversals and will not be harmed if the

as

the unit will not work until the correct

cable can

problems

directly

fuse is

amp

power

possible.

to the

cable

This

SPECIFICATIONS

Dimensions Weight

Transmitter

Output

Receiver Operating

Operating Voltage Number of

Depth Capability

Display

Power

Sensitivity

Current

pixels

Scroll

Speed

6'/a"H x 8½"W x 3¾"D

2.5

pounds

192 kHz

600 watts

peak

to

peak typical

75 wafts RMS

>

85 db

ma

200

500 ma

temperature (lights

(lights on)

stabilized

ofO

9-15 vdc

82 x 32

2624 Total

300'-SOO'

(with 500'-700' (with 8 degree transducer)

.5"

32"

typical

20

degree transducer)

typical

minute

per

minute

(minimum)

(maximum)

POWER CPBLL

1-Ia'J

•

CROUMO

OR

—

SIDE

OF DATTER Figure

1

3

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SPLI CE

FUSE BOWER

BOAI

BMTERN

32

As

you

of bottom.

usually them. You

Keep

overboard.

The

string

marker's flat marked, you

spot

right Unless

able to

about

go

your

It will also reveal

indicate a

may

not

good

get any

a few Lowrance Fish-N-Floats

When the X-4 indicates

will unwind until the sinker

shape,

can make

This is essential when

mark the school of fish when

you

find it

again.

HOW TO OBTAIN

If

have a

you

before

help telephone

the Lowrance

live out of the state of Oklahoma,

If

you

live in the state of

'you

Please

ment

may

If it's determined

instructions.

ping

problem

sending

or letter. Write or call

Customer Service

detail the

problem you

be able to save

your

survey, your

suspended

school of

it won't unwind

your

fish and it's worth it to

further.

turn and

you're

SERVICE

with

it in for

your

repair.

one of our Authorized Service

Department

Oklahoma,

are

the inconvenience of

you

call

unit must

X-4 will tell

fish.

Multiple signals

in the

a school of

hits bottom.

further. With the

any

come back to fish in

far from shore on

you're

sonar

unit

Assistance can often

the

you

boat, ready

throw the

fish,

Then,

over

it,

please give

in

Tulsa,

call 1-800-331-3889,

collect 918-437-6881.

experiencing.

be

returned,

Our Service

returning your

we'll

provide

and kind

depth

on the dial

and fish for

stop

to toss

buoy

because

school thus

exactly

a

big

may

you

a chance to

us

be extended

Centers or

OK.

full

out.

of the

the

lake.

not be

free. If

Depart-

unit.

ship-

by

TRANSDUCER

Installation transducer before

you

instructions for

in a

separate package.

start

installing

the transducer are

transducer.

the

NOISE

Electrical noise

routing

of

from the

wire

best results, keep wiring.

keep

than even the

X-4's

it

away

the

largest

engine

for the tachometer

Also,

the X-4's cables

VHF radio antenna cables

power antenna cable.

radio

picked up by

other

from

noise

generators

the instrument

to

which radiates

the

power

bilge pump

engine's

and

wiring

away

wiring

transducer cables as far

If there is no noise—interference—On

still with the boat

speeds,

cause is acoustic

rather noise is created

engine

mechanically

The faster a boat

on the

noise owner's manual for

running

worsening

noise,

induced noise from

air bubbles

by

travels,

display.

To eliminate

proper mounting

the

possible

is the

panel.

and transducer cables

can sometimes

from those wires.

radiate HF

harness. It is

in

neutral,

as the boat

or cavitation. This

passing

the more air bubbles

this

Please read the instructions

power

sources

engine's wiring

This

HF

energy

the unit

but

speed

supplied

can be minimized

cable

of electrical interference. One

harness

(radio frequency) energy.

radiate noise so

at

higher power

very important

as

away

when the boat is

interference

increases, noise is not

the transducer.

the face of the transducer

over

increase and

problem,

techniques.

read the transducer

with the

harness that

usually

from the

away

to

keep

possible

from

begins

then a

electrical,

Usually,

generate

contains

at slow

probable

carefully

by

runs

a

For

engine

to

try

levels

the

a VHF

sitting

but

acoustic

SCHEMATIC DIAGRAM

Should

send

$1.00

you promptly.

Lowrance sonar unit.

desire a schematic

you

to the address

Be sure to include

Mail to: Lowrance

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AND PARTS LIST

and

below and the information

the model and serial

Customer Service

12000

Tulsa,

E.

Skelly

Oklahoma 74128-2486

31

parts

Drive

list for

Lowrance sonar,

your

will be mailed to

number of

your

4

KEYBOARD BASICS

SENSITIVITY control the

(rhe

digital's sensitivity

automatically adjusted.) receiver

speeds rnent over a wide

conditions. The left arrow decreases the

arrow

right

ZONE ALARM KEYS This

group zone alann. It can be used as

'fish alarm' with

lower limits set so that a

(such

will set off the alarm if the

enters the alarm zone.

0-9 These

entry

Some of these than one ftJnction and can be accessed fijnclion

is

key be

displayed

the

top

CLEAR The CLE14JR erases the last erase other see

These

graph's sensitivity.

sensitivity

which allows

key

of

keys

as a fish or school of

of numbers 0

by using

key.

pressed,

center of the

keys

is

The

has 32

adjust-

of

range

sensitivity,

keys

When a numeric

in a window near

the

increases it

controls the X-4's

and

upper

allow the

through

have more

keys

the 2nd

the number will

display.

It can also

enby.

as

features,

key

—.._....,

a

target

fish)

target

9.

key"

will

you

11 kI I it'll 1'

SCC

acn:I•

STOP

I°'

RESUME

_.]fC1IVjt!.]y'

DIGITAL I SHALLOW I

I

10TH

SET

DEEP

ALARM

I

DISPLAY

1 2

4 5

7

SIZE

UPPER

LIMIT

8

BTM TRIC

U

FAST

DEE1

ALARM

J [DISC J

3 6

9

FT/PAlM

LOWER

LIMIT

]

J

Auió

4CLEARJJ

2N]I

LIGHT

J

,4-óFfl[ON]

Most fish don't

spawn

Unless the water

narrow limits. To find the different

such as the LDT-3000

meter,

provides

water streams that

stocked in fish

range

water lie at they

an

extremely quick response

spawning temperatures

too

get

lakes that remain too cold

have a wider

within

which it tries to

level

the

are the

most comfortable,

warm;

temperature

that

is

for various

bass and other

tolerance than

stay. Schooling

provides

BAIT FISH

The

importance

emphasiZed.

Bait

fish are the

shad. Bait bluegill,

fish can also be the

and bass.

Most bait fish are

sunlight promotes method of

fishing

bait fish will look like

will be

nearby,

SURVEYING A

of bait fish to

are the

They

plankton

the

is to

often

LAKE

principle

feeding forage fish,

young

concentrated within five

growth

of the

use the X-4 to find the bait fish first. A

a "cloud" on the X-4's

directly

beneath the school of bait fish.

temperature

temperatures,

a

valuable aid to

to

identifying

species.

fish

during

this

temperature

successful

fishing

food of all

of

game fish,

plankton

display. Usually, game

is within rather

a surface

your

temperature

boat. This unit

the desired surface

Trout can't survive in

eventually

die out when

the summer. While some

others,

fish

each has a certain

which,

over we

suspended

in

deep

assume,

can't be over-

fish in most waters.

game

such as minnows and

such

as

crappies,

feet of the surface where

on which

they

feed. One

school of

fish

2nd 2nd allows some ot

to have more than one

keys tunction. Notice that some of

the

have a small word

keys

in white below

printed

ftmnction

primary

the AUTO

example, has the word LIGHT

on it. "UGHr' is the AUTO second function. The "2nd Function"

first then the has the second tunotion

in white.

keys

pressing

appropriate key

label. For

key

are activated

the '2nd

key

the

also

printed

which printed

the

key's

by

and

'I

OFF ON These

the X-4 on and ott. To turn it

simply press

it

off, press

You must hold the OFF

key. down for a few seconds in

order for the X-4 to turn off.

You'll

notice a

time a

key

the

X-4's

it

has

accepted

keys

the ON

key.

and HOW the OFF

beep every

is

way

pressed.

of

telling you

a command.

This is

turn

on,

To turn

key

that

The most

fish it produce

at what

season. And

the

year depending

With

concentrate.on the areas where fish time on

The

survey indicate the

successful

after

day

fish

consistently. They

depth, they

they

the aid of the

the lake!

most efficent

it with

your

promising spots

anglers

and

year

can

expect

realize that

on water

X-4,

anyone

to become

way

X-4.

Start out with a

on

after

discover

lake or reservoir

any

year

until

they

learn the

through experience where,

to find the kind of fish

these

productive

level, temperature, food,

can eliminate

are

aquainted

in relation to

map

areas

guesswork

to be-even if its the

likely

with a

of the

lake,

landmarks on shore.

are those who

hot

spots

want

they

change

throughout

and other

and

of water is to

body

if

possible,

that

and

at

any

factors.

first

and

5 30

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WATER TEMPERATURE AND THERMOCLINES

Water

temperature

the activities of all fish. Fish are cold blooded and their bodies are

upon always

the

temperature

colder water slows down their metabolism so that

fourth as much food as

The

temperature

bottom.

and

cool

Layers

layer

of the -thermocline can

there

may

two or more at different

be

to fishermen because

bait fish will be above the thermocline

in or

suspend

just

has an

of the

important—if

surrounding

not

controlling—influence

water.

During

they

consume in the summer

they

of water in the lake is seldom constant from

of different

temperatures form,

of water is called a thermocline. The

with the season or time of

vary

depths.

while

they

below it.

are areas where fish are active.

and the

depth

Thermochnes are

larger game

the

need about a

junction

and thickness

In

day.

Many

fish will

—H.

._—THERM0cuNE

winter,

top

of a warm

deep

important

times

to

lakes

scc This Is the Surface

Control orscc. The scc

clarity

eliminates surface

key

caused

(noise)

schools ot

algae,

other tactors

near the surface,

CHART The chart controlled

of

speeds, ranging

to FAST

speeds up

slow

display started

STOP/RESUME

DIGITAL SONAR KEYS The

X-4 is

one. The first and most obvious sonar fljnction, is the

which shows all return echoes

including dines, etc. The second sonar is

a

only bottom

won't fish, show thermoclines, or

other rounded

"DIGITAL digital

the

by

The X-4 has 32 chart

keys.

Pressing

the chart

reduces it The

key

can be

again using

actually

fish, bottom,

readout

digital

one

purpose:

depth.

talse

give target

the bar labled

by

SONAR" turns the

sonar off or on, and sets

alarm functions.

digital's

wave

by

baitfish,

creating

speed

the CHART

trom

very

the FAST

speed.

stopped

the

key.

two sonars

graph

designed

to show the

The

digital

signals

The

keys

clutter

action,

or

noise

is

group

slow

key

The

chart

and

in

therrno-

for

sonar

from

any

sur-

DISC Discrimination is an

S/rn ulated

Picture

23

Figure

The X-4 can detect this invisible

will

probably

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have to be turned

up

29

in the

layer

to see it

water,

but the

sensitivity

UPPER LOWER

LIMIT LIMIT The

and Lower Umit

to select different by pressing

and then

pressing

upper

.pdate

The

depth

while the Lower Limit deter-

mines the

the bottom.

Limit

Upper

tor

the

depth displayed

allow

keys

depth ranges

the desired

the

appro-

or lower Umit

sets the

key

ot the

top

depth

display,

Upper

you

key.

at

6

adjustable

system.

adjustuient

AUTO TheAUTO switches the X-4 in or out ot the automatic mode, When the X-4

is first turned

adjusts selection,

will be the screen.

AUTO

of the

adjushnents

the X-4 is in the automatic

mode, displayed

display.

noise

rejection

The levels of

are 0

on,

the

sensitivity

and the word "AUTO"

displayed

By pressing

key, you

X-4, making

as desired. When

the word "AUTO" will be

near the

5.

through

key

it

automatically

end

range

near the

top

the

can take conbol

manual

of the

top

of

C}PFRATICThJ

When the X-4 is first turned

bottom can be left in this automatic mode and used for and bottom conditions X-4 can be

surrounding

sets the

depth,

manually adjusted

conditions can be made. At

sensitivity

they prefer.

out on the water as a reference

the

X-4,

your reference material.

User's Guide we've enclosed should be

handy

it

on,

automatically

and much more. If

level,

However,

so that "fine

first,

As

guide.

virtually every

tuning"

you

ON EON]

The ON

placed

in this location so that it can be

turn the

signifying

will

begin

scrolling

the

digital

will be

depth

OFF

is located in the lower

key

X-4

on, press

the ON

the X-4 knows that a

flashing,

across the

bottom

then

display

depth display

displayed.

stop

corner of the

right

easily

An audible

key.

has been

key

after six seconds. The chart will

and the number "0" will flash. This number is

the

After

pressed.

unit has found the

[ OFF]

finds and

finding

displays.

desired,

fish and the water

function of the

the

the X-4

of the unit to The

should take this manual

you

become more familar with

adequate

night.

lights

begin

bottom,

It is

To

the

found—even at beep

keyboard.

will be heard

The chart

Remember,

fish to

develop

with the main

The

due to the cone fish in shallow

due to the narrow cone display.

depth.

Compared

because the graph's markings. Therefore,

a

graph,

screen than a

Very

show a

fish will

Large

there must be some movement between the boat and the

the arch.

engine

of

depth

Even the 20

the water will affect the size and

water,

to a

pixels (dots

and it

requires

paper graph.

small fish

arch,

partial

arch,

Usually

in

gear

diameter. For

angle

the

signal displayed

diameter

degree

paper graph,

on the

a bit more work

probably

will not arch at

or a

shape

but the

this means

at a minimum throttle

example,

and the

transducer has

an X-4

the

sensitivity

cannot show as fine of detail

screen)

X-4

cannot show fish arches as well as

similar to an arch if

needs to be turned

water to see the arch. Because of water

surface

turned

segment

clutter, therniociines, etc.,

high enough

One of

the best

of the

water,

ways

the better the screen

as

high medium to

possible

without

deep water,

to

fish arches.

get

to

for

example

resolution will be.

getting

this method should work to

the

sensitivity

fish arches is to

get

40 to 60 feet The smaller the

too

much noise on the screen. In

trolling

at

setting.

shape

if the cone

on the X-4

resolution limitations of the

a 3 foot diameter at this

only

are much

initially

all,

conditions,

Then,

larger

to read and

while medium sized fish will

sometimes cannot be

expand

turn

up

display

slow

very

of the fish arch

passes

not arch at

may

than a

interpret

such

up

as

in

heavy

they're

or "zoom" a

the

sensitivity

fish arches.

deep

speeds

over a

all,

paper

the

water.

deeper

segment

as

To turn the X-4

erased.

off,

and HOLD the OFF

press

key

until the

display

is

______

U

______

jrt

LU

a

2nd

X-4 has

The

for

space Each function is

second function

For

AUTO

However,

keys. Therefore,

key's primary

printed

example,

itself,

key by

if

you

will be turned on. The 2nd

from AUTO to UGHT.

key

different

many

function is

functions,

some of the

printed

in white. The "2nd"

printed

the AUTO

in white on the

is also labeled "LIGHT". If

key

but

keys

in

one

key

appropriate key.

a limited amount of

only

have more than one function.

while it's second

color,

must be

pushed

you press

the X-4 will be taken out of the automatic mode.

press

the 2nd

key lust reassigned

then the AUTO

key,

7

the

the X-4's

key,

meaning

to access the

In

II

the

lights

of the AUTO

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Simulated

Pictures

Figure

28

I'

22

FISH SIGNALS

The

signals displayed

shaped markings created

Individual fish separates

shown below. The distance to a fish when it moves into the sonar's cone

noise,

by

can,

them from their

of sound is shown as

center of the out of the

If a

partial

but

up,

pointed straight adjust

and error until the correct

cone,

the distance will increase

cone,

arch occurs most

not back

it

until

down,

down.

the fish show the distinctive arch. This

in

certain

or the

at

times,

"A"

on the X-4

patterns,

solid,

be

stationary surroundings.

Figure

by

as

continuous

distinguished by

21. When the fish has moved into the

the distance to it will be

of the time on

or

vice-versa)

If the transducer

mounting

it could be the transducer is not

is achieved.

fish can be identified

opposed

markings

to random

made

by

a characteristic

The reason for this is

shorter, "B",

as shown in "C".

again

your

is mounted on the

and as it moves

unit

(the

transom,

take some trial

may

various

by

marks

the bottom.

that

arch

mark curves

CLEAR

If

you

make a

mistake,

and

[A]

press

wait six seconds and the X-4 will

example,

2nd, 2nd

you

if

you

AUTO.

key, you

However,

can

to start over.

The CLEAR

including

described in this

detail.

5CC, Discrimination,

to turn on the

wish

press

also erases

key

manual,

if the 0

key

the CLEAR

or sets to zero other functions of the X-4

and

AUTO

a

other than what

key

automatically

lights,

was

accidentally pressed

which erases the 0 and allows

key

Upper

key's operation

AUTO

F

erase the

the

proper keys

Limit. As the other functions are

will

1

t LIGHJ

wanted,

you

For

entry.

to

explained

are

press

instead ofthe

in

Figure

21

I'll"

A.rI.c

Simulated

Picture

When the

into the

ON

key.

sensitivity complete

automatic

SENSITIVITY

When first turned

means computer

the automatic mode or it can be

The

display.

sensitivity correspondingly.

extend across the

X-4 is first turned

manual

mode,

press

on,

the AUTO

The word AUTO at the

and auto

manual control of the X-4. The X-4 can be returned to the

mode at

ranging

any

will both be cancelled and

time

by simply pressing

[*"

the X-4 is in the AUTO SEARCH

on,

the

sensitivity

to find and lock onto the bottom. The

sensitivity

When the

is

increased,

and

level is

displayed by

sensitivity

the bar will travel to the

When the

of the

top

SENSITIVITY

BAR -.r

range

is at

sensitivity

display.

rINUIIH

AUTO

ANNUNCIATOR

b'IiChi

the automatic mode is on. To switch

which is located above the

key

of the

top

I1F1IlL'il1'

display

scc

are

automatically

manually adjusted

a horizontal

minimum,

is

set

AUTO.

n

u

will be

the AUTO

[i"..' I

adjusted by

sensitivity

bar at the

the bar is

right, increasing

to

maximum,

..

erased,

will have

you

key again.

mode. This

the micro-

can be left in

to suit conditions.

top

short As

very

the bar will

Figure

auto

of the

in

length

2

it

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27

8

To

manually adjust sensitivity disappear, sigAifying

sensitivity, press

desired level. The left arrow decreases Notice how the

press

increase in

left, indicating

the

Figure

right

clutter is more

will be turned off. The word AUTO at the

the

right

sensitivity. Pressing

change

on the

3 demonstrates a

the

sensitivity

Figure

— SENSITIVITY

AU

the

sensitivity, press

that the X-4 is in the manual mode. To increase the

and hold the

sensitivity

arrow

key,

bar moves as

the bar moves to the

right

arrow

the left arrow

the

sensitivity

display.

is

pronounced,

has decreased

with too little

graph

adjusted properly;

and the bottom

3

TO.

—

0———

the AUTO

until the

key

sensitivity

you change settings.

once,

key

of the

top

sensitivity

in the same manner.

right indicating

moves the bar to

key

accordingly.

sensitivity,

a fish is now

signal

You'll also see

while on the

visible,

has widened.

Figure

SEtIS,Ti:TY

-

and auto

display

is at the

When

you

an

the

the surface

4

will

The 20

water,

deep narrow cone

deeper depths

Both 8

readings, model because shallow

signal

Transducers

anti-foulant barnacles and other marine transducer's will decrease the transducer's

paints specifically designed most marine dealers.

degree

while the 8

water

degree

even

edge

tells

transducer is almost

degree

environment

is more desireable because it can

angle

since the sound

and 20

though

of the

you

paint

sensitivity.

the bottom

are

you

whether on

seeing

signal

you

salt water boats need to be

to

prevent organisms

Do not use a metal based

transducer is used

feet—fresh

(300

energy

degree

transducers

more of the bottom.

shows

are over

growth

senstivity.

for transducers.

SIGNAL INTERPRETATION

always

the best to use in fresh

mostly

water,

in salt water In a

100 feet—salt

penetrate

is concentrated in a smaller area.

accurate bottom

give

is much wider on the 20

signal

the

you

rocks, mud,

from

true

growing.

Remember,

depth.

etc.

painted

The rest of the

with a thin coat of

If

unchecked,

will cause a decrease in the

anti-foulant

There are

They're readily

special

anti-foulant

available at

water)

to much

degree

the

paint

as

the

it

TOO LITrLE

SENSITIVITY

Simulated Picture

Because

an accurate

you

passing.

wide narrows because mud absorbs the sound wave and retums a weak

up

sensitivity automatically

The

SENSITIVITY

AWUSTED

PROPERLY

Simulated Picture

9

hard. If it increases while in the same moved over a soft bottom.

course, also

bottom level

height.

clearly

A bottom of firm

signal.

down,

the

sensitivity.

sensitivity

as

change.

rocks or

Big

If

you

visible as a short line

X-4 is both

your

picture

of the kind of bottom over which

If the automatic

then it means that

If

have the automatic

bar. As the boat

the water

you

increase the

bar will

stumps

signal.

watch as

help

depth

on a smooth bottom send back

The

you approach a post

height

extremely

sand,

gravel,

sensitivity

you

passes

If it

over the

sensitivity

in

you

determining

decreases,

increases or

of the

extending

sensitive and

or hard

shell,

is tumed

have moved over a mud bottom

senstivity

mud

to maintain a

of

depth

then it

decreases,

signal depends

or a tree

above the bottom

26

powerful,

clay

and the

off,

turned

bottom,

good

if

the bottom is soft or

then the boat has

water,

over a hard bottom. Of

is

the

signals

on the

stump,

it can boat is

your returns a

signal

signal.

watch the

on,

X-4 will

the

bottom

sensitivity

above the

target's

it will be

signal.

give

fairly

Turn

will

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TRANSDUCERS AND CONE

The sound waves from the transducer

cone

shaped

between the outside

Lowrance offers a choice of transducers with either an 8 or 20

cone In other Lowrance transducer of the same

However,

loss of

Generally,

for

operating

angle

the 20

transducer covers

that will

angle

words,

the use of

performance.

allows

degree

cone

pth

8' 20' 7ff. 18ff.

50

14 35•

1100

21 53

1150

28 71

much like the beam from a

beam,

of the cone

edges

interchange

Lowrance sonar instrument can be used with

any

other manufacturers' transducer will result in a

any

wide cone

in shallow to medium water

you

cone covers an area about six feet across.

Diameter

angle

to see more of the underwater world. In 15 feet of water

about a two

only

Angle

ANGLES

spread

is called the cone

with

any

frequency

transducers

depths.

foot

circle.

out into the water in a

flashlight

of the 192

with no loss of

(20 degrees)

kHz sonar

are

The 20

The

angle.

degree

The 8

50'

angle

degree

products.

any

performance.

suited

ideally

cone

degree

When the horizontal bar reaches

the

sensitivity

second bottom echo returning signal reflecting

to the bottom and back

trip

To turn Auto

automatic and on at

be turned off or on

level is at maximum. If

may appear.

off the surface of the

Sensitivity

sensitivity

time

any

back

control and auto

pressing

by

separately by pressing

again.

the far

high sensitivity settings

is

This This is called "second echo".

on, press

the AUTO

ranging

the AUTO

hand side of the

right

normal

and

is

water, making

key.

functions

The two controls cannot

key.

the AUTO

key.

AUTO SENSITIVITY ADVANCED OPERATION

When the

will

be

bottom

The

mode. This

is not

been

changed,

bottom amount of

To

adjust

press arrow

X-4 is in the automatic

adjusted

signal. (There

sensitivity

enough

to ten

are 32

level can be

be desirable if the level of

may

to show fish or other small

the X-4 will increase the

then add in the level

signal,

sensitivity up

the

either the

key

sensitivity

arrow

right

<to decrease it If the

above the minimum

steps

of

steps

changed

you programmed.

to the maximum

while the X-4 is

to increase the

key>

sensitivity

X-4's audible tone will "flutter". The same is true if

maximum level. As

or

right

left,

according

you press

the arrow

to the amount

the

mode,

sensitivity available.)

sensitivity

required

while the X-4 is in the automatic

sensitivity

detail.

sensitivity enough

be added.

may

in

the

chosen

the

Once

If

desired,

automatic

sensitivity

is decreased

try

you

the

key,

of

sensitivity

chosen.

screen,

are

caused

used,

the

by

a second

Remember,

are turned off

of the receiver

to

pick up

X-4

the

by

sensitivity

to

pick up

any

mode, simply

or the left

to

minimum,

to

above

go

bar will move

a

both

the

has

the

100'

SLOW

SPEED

in the CHART section of the

key

display

in a window near the

speed.

moving

speed.

will

If

to the

To slow the

you press

Figure

150'

20

200'

CHART

When the X-4 is turned on for the first

a

pre-determined speed.

FAST

desired

Whenever either of these

of the

8°at 3db

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25

appear chart

start

[

If a

display, press

keys

change

to a dashed line

and hold the FAST

right, signitying

RESuME

time,

higher speed

keyboard

are

pressed,

of the

top

display.

that the chart

10

FAST1

the chart

is

desired, press

until it runs

and hold the SLOW

the

sensitivity

and the letters "CHT" will

This bar

for

key

example,

speed

scrolls at

speed

and hold

at the

key.

bar at the

represents

the bar will

is

increasing.

the

top

the

CHART

SPEED

BAR

-

—-

1111111 iuum UWU II

U

Figure

8CC has ten levels of

SOC is

press

5

automatically

a number

To view the SOC

key

adjustment.

set to level 2. To

from 0 to

level,

simply

When the X-4 is first turned

to a different

the SOC

key.

10,

press

then

change

press

the 5CC

key.

level,

the

on,

simply

There are 32

the

keys,

horizontal bar reaches

display

at its maximum value. The X-4 will

has been reached.

speed

If the automatic mode or

cannot be reached.

speed

and the audible tone will

right

automatic mode off will allow the maximum chart

To view

SLOW. The

replace

At

echo before it once will

the

mode. last chart continue to be

the chart is in the

it for

times

freeze the

display

Pressing

speed setting.

the chart

sensitivity

it

will flash

of

steps

chart

can be

the far

speed

bar will

speed.

speeded

right

digital

(The

"flutter".) Turning

without

disappear

a few seconds.

is desirable to

scrolls off the screen.

display.

STOP/RESUME

displayed

"freeze" mode.

stop

While the

on and off to

If

the

digital

on

the screen. The

By holding

or slowed down. When the

up

side of the

"flutter"

function

chart

bar will

changing

or "freeze" the

Pressing

display

signify

will start the

again

sonar is

either the FAST or screen,

signifying

is

on,

stop

both the

it,

press 2nd,

and

the chart

display

the

is

that the unit is in

on,

digital

SLOW

the chart

speed

the maximum chart

one

speed

from the far

step

digital

and the

to be attained.

FAST or

bar will

speed

to examine an

STOP/RESUME

stopped,

the

top

line on

the freeze

display

the bottom

does not

moving

depth

when

stop

will

2nd,

key

at the

is

To turn SCC

off, press 0,5CC

or

CLEAR,

FT/FA/M

FEET-FATHOMS-METERS

The X-4 can

it

is first turned

meters,

indicating displayed, press

press

display

on,

2nd,

that the X-4 is in the feet mode. While the letters "FT' are

the letters "FA" will

6

key again

meters. After six seconds the letters will

back to

2nd,

unit is turned

and the

feet,

press

6 and the letters

off,

the

display

in either

depth

reads in feet To

6. The letters "FT' will be

the 6

key again.

appear.

display

2nd, 6,

corresponding

the

range

Now the letters "FT' will

The

will show the letter "M" and

6. To view the

range

has

to the

;everts

back to feet.

SCC.

9

feet, fathoms,

change

displayed

changed

disappear

mode the unit is

range

will

or meters. When

it to fathoms or

on the

screen,

disappear

to fathoms. Press the

change

To

change

appear

and

to

the

range

in,

press

When the

Simulated

Picture

RANGE

When the X-4 is in the

change changes.

zoom in

to

on a

the bottom

keep

At

times, however,

target.

lower limit can be set from 10 to 999

limits

to

the

"flutter"

be

may

upper

and the

used,

limit. If a

range

automatic

signal

it

The

provided

segment

may

limit

upper

that the lower

less than

will remain at the

the

mode,

on the

display

be

desirable to

can be set from 0 to 989

feet

11 24

combination of the two

Any

limit is no closer than

ten feet is previous

will

ranges

as the bottom

expand

entered,

setting.

automatically

depth

the

feet and the

range

ten feet

or

the X-4 will

Figure

19

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LIGHT

A

first turned

keys keys again.

is

light

and the

provided

the

on,

The

lights

AUTO

F

LIGHT

for

operation

will flash for 6 seconds. Press the

will

stay

will also

of the X-4 at

on. To turn

go

the

out when the X-4 is

lights off, press

When the unit is

night.

tume

2nd,

the

Off.

AUTO

2nd,

AUTO

LOWER LIMIT

To

change

displayed

off.

automatic mode is

at the

This also disables

(Note:

the lower limit

The

key.

display

the flew

lower

the

top

desired from 10 to 999 feet and

will lower limit at the bottom of the screen.

first make certain the

limit,

of the

screen, signifying

the automatic

on, press

immediately change

the AUTO

word "AUTO" is not

that the automatic mode is

sensitivity function.)

to disable it.

once

key

to the new

the LOWER LIMIT

press

depth range

If the

Next,

and

press

SURFACE

The

feet below the surface. This can interfere with fish

many targets.

wave

action,

reasons.

The surface clutter can be reduced or eliminated

Clarity transmit

is the lowest for echoes near the surface. It is

gain

as the

half of the selected

SOC would have an effect from the surface to 30 feet.

CLARITY CONTROL

markings—or

These

boat

Control or SCC. SCC varies the

pulse,

increases. The maximum

depth

noise—at

markings

wakes,

while the receiver is

depth range.

the

top

are called Surface Clutter and are caused

bait

fish,

temperature

"listening"

For

example,

rscc 1

of the

display

inversions,

of the receiver between each

gain

depth

by using

for the return echoes. The

gradually

that 5CC will affect is one-

on a 0 to 60 foot

can at times extend

signals

SURFACE

CLUUER

Simulated

Phture

or other

and other

by

the

Surfape

increased

range,

For

example,

LIMIT

to set the

from 0 to 70

range

Simulated

.1

V

LOWER

UMIT

Picture

IJ1

feet,

press

7, 0,

LOWER

FISH

Figure

6

the maximum lower

that the X-4 can

depth

the

plus

quality

changed

accept

of the bottom

an

if the X-4 is in Automatic,

at 60

feet,

and

you

Figure

18

NOTE:

feet,

bottom conditions,

the

Although

actual

The lower limit can be

However, less

For

a bottom

the X-4 won't

than the

example,

signal

will "flutter" and leave the lower

PDF compression, OCR, web-optimization with CVISION's PdfCompressor

23

limit the X-4 can

reach is

dependent

display

of the transducer installation.

even if the Automatic function is

if a lower limit is selected

entry

while the X-4 is in the Automatic

and the

select a lower limit of

limit at 75 feet.

12

range

is 0

50

is 999

on water and

on.

that is

mode.

to 75

feet,

with

feet,

the X-4

When

the X-4

limit

selected will

limit will hundred,

be a number that ends in

etc.

UPPER LIMIT

changes ranges

always

be a

multiple

while in the

often. In other

zero such as

automatic

words the lower

ten, twenty,

mode,

forty,

the lower

one

DISCRIMINATION

Unwanted noise on the

can

be defined as

electrical or the noise can

any

acoustic

produce

source,

DISC

display

undesired

[

is a

signal

fairly

and it

J

common

or a combination of the

unwanted marks on the

complaint.

can be caused

two. In both

display.

Noise

either an

by

cases,

Often it's desirable to

show more feature. To depth (any

The

key.

the lower limit

feet

segment

Example:

Press:

detail. You can do

change number between 0 and 989

restriction 9n the

only

than 10 feet In other

the

upper

or

larger

limit

Set the

UPPER

3, 0,

FISH

expand

the

upper

cannot be set

is

required.

from 30 to 70 feet

range

LIMIT, 7, 0,

T

or

"ZOOM" a section of the

this on the X-4

limit of

the

limit

upper

words,

closer than 71 feet A ten foot

any

LOWER LIMIT.

Simulated Picture

-

SENSWWTV___

-

by using

display, simply press

and then the UPPER LIMIT

feet)

is that it must not be closer to

if

the lower limit is set to 81

—

-

the

UPPER

LIMrr

display

Limit

Upper

the desired

to

The X-4 has

signals. which ones are

echoes. Discrimination highest

automatically level of Discrimination

There should be an

on the screen.

DISC

It

level. When

Discrimination

To view the Discrimination

key.

DIscRIMINAnoN1 OFF"

Discrimination which is effective in

processes

all

noise and eliminates

the X-4 is turned

set to level 1.11

desired, (0, 1,2, 3,4,

immediate

be turned off

may

incoming

has three levels—0

echoes from the

them,

on,

noise is

present

change

in the amount of noise

the Discrimination

by pressing

without

setting

Shiu!a ted

Pickires

combating

receiver,

displaying through

or

changing

5.

on the

display, press

then the DISC

5)

DISC or

0,

DISCRIMINATION "3"

only

0 is

it

press

CLEAR,

noise

determines

the

legitimate

5 is the

off,

level is

key.

displayed

DISC.

the

LOWER

LIMIT

-J

13

Figure

7

Figure

16

22

Figure

17

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To use the Shallow

ALARM

SHALLOW SET. The numbers one and screen as water shallower than fifteen

Tt1

key.

they

——

For

SrNS' 1W/I I

/1)10.

•

Alarm, press

example,

are

entered,

C

to set the Shallow Alarm to 15

the desired

then

disappear Now,

the shallow alarm

feet

Sknulated Pictures

SHALLOW

ALARM

- SET

TO 15

FEET

15

five

then the SHALLOW

depth,

feet, press 1,5,

displayed

will

be

if the boat travels into

will sound.

TC1

AUTO.

on the

0

and lower limits

Upper

segments permits

foot that each dot is

When

distance between the two is ten feet. It a distance smaller chosen, example,

change

lower limit of 10 feet will not be

from the surface to

a

scale

expansion

segment

is

chosen,

equal

changing

the X-4 will

if the

upper

the lower limit to 9

to

the

change

limit

be set in various combinations to show

may

the bottom and

or "zoom" of a

then the screen resolution is 1½". This means

1½ inches

upper

isO,

feet,

when a ten foot

or lower

the

range

with a lower limit of 10

the X-4 will "flutter" and the

changed.

portion

limits,

to a ten

anywhere

of the

segment

remember the

fpot separation.

feet,

in between. This display.

If a ten

is chosen.

minimum

than ten feet is

For

and

you

—

The

depth, feet

by pressing

on the screen as

water

To view the

without

keys.

To clear either the Shallow or

or

0,

from the lower left corner of the turned oft The CLEAR

press alarms off.

Note: Both Shallow and

"DEPTH ALARM" to

-

ou

AtM

ptp

14

Figure

Alarm can be set in the same manner. Press the desired

Deep

then the DEEP ALARM

DEEP SET The numbers 5 and 0 will be

5,

0,

entered,

they're

deeper

DEEP ALARM

CLEAR,

than 50

settings

changing

SHALLOW ALARM or

feet,

them,

respectively.

go

of either the shallow alarm or the

press

key

off in the

key.

the alarm will sound.

the SHALLOW ALARM or DEEP ALARM

can also be used to turn the alarms off.

Deep

DEEP

ALARM

SET TO

then

Deep The words

display, signifying

Alarms must be off for the words

display.

50

FEET

DEPTH

ALARM

"ON"

For

example,

Alarm,

CLEAR,

/7/'

UEP7W AtM)

Figure

set the

disappear.

press

"Depth

DEEP ALARM to turn the

Deep

If the boat moves into

SHALLOW ALARM

0,

Alarm" will

both alarms have been

15

Alarm to 50

displayed

deep

alarm

disappear

Simply

SCALE

There are ten scale markers

determine what the

help

is 0 to 60

range

as a

(such

times six feet=30

ranges

in

feet,

was next to the 5th

fish)

multiples often,

SCALE

MARKERS

depth

then each mark is

To make it easier to use the

feet).

i.e.

printed

on both sides of the X-4's

of a

target

line,

10, 30, 140,

Simulated Picture

is. For

example,

to six feet. It the

equal

then it

is 30 feet

etc.

if

the

target

deep (5

depth scale,

display

depth

lines

use

SCALE

MARKERS

Figure

to

8

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21 14

AUTO RANGE WITH ZOOM BOTTOM TRACK

Even

though

the X-4 is in the

bottom

limit,

use a 20 foot zoom window. limit

this

8. The X-4 will choose an signal

inside this window. If

depth changes

couple

To use

setting

window,

in the 20 foot window. The bottom will be tracked and

will be tracked with window limits

otherwise the limits will be in one foot increments.

The

upper

Zoom Bottom Track mode is

the same

to the

original segment

chosen and the limit of

fifty feet,

the bottom will

be

the

off the

changed

upper

can

cause it to

To exit from this

automatic mode.

the

automatic mode the lower limit

the Auto

this

feature,

feet

20

tracking

and lower limits can be

internally.

upper

and then

moves out of the

back to a

and lower limits while the X-4 is in the automatic mode. You

autorange

upper

limit can be

changed

to zoom in on a

will

To make the

with Zoom Bottom Track function.

Range

a

zoom window must be chosen. For

means that the X-4 will

This

above the lower

upper

limit

and

limit track

place

it as it moves shallower or

and lower

upper

the

segment

When it auto

size. For

limit

size is 40 feet or ending

coupled;

ranges

example,

picked by

you changed

window,

foot window. Use caution when

thirty

the bottom

function, press 2nd,

limit

that will

in zero

changed

however the

while the Auto

the next

if a window of 30 feet was

the X-4 was 20

the

upper

the window

off the screen.

signal

8 or

press

change

along

keep

the bottom

deeper.

(10, 20,

Press place

greater,

30,

segment

it will revert back

time,

feet

limit to 30

and lower limits

upper

the AUTO

target,

as the

with the lower

the

upper

signal

lets

in

example,

2, 0, 2nd,

the bottom

always

kept

the bottom

etc.),

with

Range

size will

stay

with a lower

when

feet

changing

to turn

key

if

NOTE KEY [cJ

The note

the audible tone is on and a "note" at the bottom of the screen is

set,

displayed. keyboard

turns the audible

key

To turn the audible

once. To turn it back

CLEARING THE ZONE

To turn the Zone Alarm

All

of the Zone

turned off. Alarm back on with the

DEPTH ALARM

The

Depth

warning

alarm

deep bottom

the

signal

deep

Alarm

Pressing

Alarm is

when

you're

gives a warning

is the

alarm.

settings

either shallow or

previous settings.

AL

actually

in water shallower than the alarm set

echo that will

only

tone off and on. When the alarm is first

tone

off,

on, press

press

the note

key again.

ALARM

off, press CLEAR,

will remain in

DIGITAL_SONAR

SHALLOW

10TH ALARM ALARM

two alarms. The shallow alarm

in water

SHALLOW SET

memory

set

deep

deeper

than the alarm set

trigger

keys

DEEP

either the shallow alarm or

on the

key

or DEEP SET

until the X-4 is

will turn the Zone

J

a

gives

The

point

point.

The

I

DIGITAL

A

complete digital

discriminates between the valid bottom echoes and false echoes from fish, thermoclines,

bottom

in.

depth.

It can be used

[

sonar is built inside the X-4. It

or other

' eTIVS1.]ri;t

DIGITAL SHALLOW DEEP

10TH ALARM ALARM

signals.

The

digital display

anytime, regardless

15 20

automatically

will show

only

the

of the mode the X-4 is

Note: The X-4 must be in either the automatic mode or the

be on in order for the

By setting

positioned

water that is shallower than the shallow alarm's set

sound. The same will deep navigating through

both the shallow and

between the surface and the bottom.

alarm set

point

a channel.

Alarm to function.

Depth

deep alarms,

a window can be

If

boat

the

point

happen

the

boat

goes

into water

if

This makes a useful anchor watch or when

goes

the alarm

deeper

digital

into

than the

must

will

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To

press down arrow

zone can be set in the same manner

DEEP SET

of the window move

part the bottom of the window

remain on the screen for six seconds, and then

As

engaged. SHALLOW seconds. It can be turned on

To tum it back

If the zone alarm is set off

and the words ZONE ALARM will be seen at the bottom of the

If the

it does not track

NOTE: If the

display display

finished.

the shallow

adjust

the

arrow

up

to move the

key

then

key,

ZONE ,I.

ALARM

BAR

ZONE

ALARM

"ON"

as the "ZONE ALARM"

long

If

wish to view the zone alarm

you

SET or DEEP SET

off,

is

range

digitalis

(top)

to move the

key

either the

press

shallower,

deeper.

——

simply press

changed,

range settings.

the zone alarm

on,

while the shallow or will

to normal after the zone alarm

retum

alarm,

of the zone

top

After the

the SHALLOW SET

press

of the alarm

top

deeper.

the DEEP SET

using

arrow

up

or

press

IN.'.filL'I) V

key

the down

keys

to make the bottom

are

disappear.

iPL,

ZONE AtM

permanently by pressing

by

the chart bar

deep

5fj

Simulated Pture

is

signal

and the bar will be

keys

2nd,

displayed,

down arrow

a fish or the

may

alarms are

-

bar,

simply press

again.

bottom,

need to be

interfere with the

being adjusted.

adjustments

window

The bottom of

key.

arrow

released,

Figure

the alarm is

displayed

down arrow.

2nd,

the alarm will sound

changed

then

key,

or the

up,

the

Press the

to move

key

the bar will

13

either the

for six

display.

since

digital

The

digital

are

When the X-4 is first turned

"locked on" to the bottom

it will

display

For easier

pressing

Although

performance STOP/RESUME

X-4 into a

signal.

going

want to know the bottom

just the size of the

fastest

The

DIGITAL SONAR

the

reading,

7. To return to the smaller

2nd,

9

Figure

DIGITAL

BO1TOM

DEPTH

it is not

out of

digital

One reason to use the

to travel at

digital display by pressing

possible depth updates plus

digital display

in the lower

depth

the size of the

necessary

your digital

in the chart section of the

key

sonar

only

high speed

can be turned off

portion

the

on,

Once

signal.

left of the

digital

Simulated

Plcttyes

in normal

sonar,

and allows it to better track the bottom

in this manner would be

digital

from one

Press

depth.

an

of the

keyboard

will flash '0" until it has

digital

it

has

acquired

display.

numbers can be

size, press 2nd, 7 again.

to

use,

the chart

stop

keyboard.

of a lake to. another and

part

STOP/RESUME,

7. This will

2nd,

easy-to-read display. by pressing

or

by pressing

the bottom

Figure

the maximum

get

by pressing

give

the DIGITAL

CLEAR,

This

depth,

enlarged by

10

LARGE

DIGrrAL

BOTrOM

DEPTH

the

turns

if

are

you

then

you

change

both the

in

key

DIGITAL

the

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19

16

10th

The

desired,

tenths of a foot

deeper numbers

digital

the bottom

than 99.9

again.

sonar will

display

in water less than 100 feet can be

depth

by pressing

the

feet,

digital

the bottom

DIGITAL. If the bottom

2nd,

sonar will

depth

automatically display

in whole numbers. If

displayed

depth goes

in whole

BOT1DM

DEPTH

AT THIS

POINT IS

18.9 FEET

Figure

11

in

The

to be used

the bottom echo is detected shallower than the alarm

slow

beep

word "ALARM" also flashes on the triggered.

ZONE ALARM

The Zone Alarm can also be

when

To

set the Zone

ALARM section of the displayed

displayed "window".

will sound the alarm. Both the shallow and

adjusted

alarm also has

depth

together.

The

depth

when the bottom is

an

is

echo

detected inside its window.

Alarm,

press

in the lower left corner of the

keyboard.

and lower

upper

alarm sounds with a fast

deeper

I

L

than the alarm's lower limit. The

display

ZONE ALARM

SHALLOW

SET

DEEP

SET

thought

the SHALLOW SET

whenever the

of as a fish alarm. It will sound

limits,

but

key

The words ZONE ALARM will be

screen. A vertical

on the left side of the screen. This is the Zone Alarm's

echo that

Any

appears

to make a smaller or

between the

alarm "window".

larger

Simulated

deep

SL' IT)

and bottom of this bar

top

ends of this bar can be

P/awe

UTY

do not have

they

whenever

beep

limit,

upper

alarm

depth

in the ZONE

bar will be

and a

is

-

—

-

If the chart is in the freeze

show the bottom does.

depth

ALARMS

as it

Simulated Picture

the

mode,

changes.

digital

display

will continue to

It does not freeze when the chart

ZONE

ALARM

BAR

T -

___..—tL.

—

-

The X-4 has two different

zone alarm then

requires

"chirps"

echo such as a

of the

and lower limits.

upper

both an

and the word "ALARM" flashes on the

or school of fish is detected inside the boundaries

fish,

alarms,

upper

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a zone alarm and a

and a lower limit

17

depth

setting.

display

alarm. The

The alarm whenever

an

2a,g ALM

18

gI

L

Figure

12

Lowrance X-4 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual