Eagle Z 7200 INSTALLATION AND OPERATION INSTRUCTIONS

Z-7200

LIQUID

INSTALLATION

CRYSTAL

AND OPERATION

GRAPH

MANUAL

TNSLE

LITHO

IN U.S.A.

988-0106-09

THE ALL AMERICAN

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SONAR

TABLE OF

INTRODUCTION

INSTALLATION 1 POWER CONNECTIONS

TRANSDUCER

KEYBOAJRD

DISPLAY INTERPRETATION OPERATION

OFF

AUTO AUrOMA11CSENSFTIVIry

RET

RANGE LOWER LIMIT

AUTO 8011CM TRACKING GRAYLINE

DIGITAL ZONEALARM

LIGHT COMMAND

MENU #1 . SPEAKER MENU #2- DISCRIMINATION

MENU #3 MENU #4

MENU #5 MENU #6

MENU #7 MENU

MENU #9 MENU

MENU #11 -PULSE MENU #12

MENU#13-SCALES 25

TRANSDUCERS AND CONE SIGNAL

ASH SIGNALS

WATER TEMP. AND SURVEYING A LAKE

BAIT FISH HOW TO OBTAIN SERVICE

SCHEMATIC AND PARTS LIST SPARE PARTS

SPECIFICATIONS GLOSSARY

CONTENTS

1

2

BASICS 4

SPEED

VOLUME 16

-

SURFACE CLARITY

-

DIGITAL

-

DIGITAL AVERAGE

-

DIGITAL SIZE

-

DIGITAL

#8-GRAYLINE SET 22

-

#10-ZONEALARM DISPLAY LOCK

-

INTERPRETATION 27

TENTHS 21

GRAYLINE

FEET, FATHOMS, METERS 25

CHECKS OR LINES 22

WIDTH 24

THERMOCUNES 29

CONTROL

ANGLES 26

(5CC)

3 6

7 7 $

10

11

12 13

14

15 15

16 18

19 19

20

23

28

31

32 32

32 33

33 34

cal

energyfromthe

echo

strikes the

energy

which is

TRANSOM

on the transom

.

UPPER/LOWER screen or

the lower limit

. feet as the

VIDEO WINDOW

20 feet and ZOOM

GRAPH

-

A

transrriitterinto ultrasonic soundwaves.

transducer,

received and

MOUNT

-

A method of

it converts the sound

displayed by

mounting

of the boat.

LIMIT

-Thesearethe

paper.

The

upper

is at the bottom. For

limit arid 30 feet as

upper

-

A sonar unit that uses a CRT

-

A

segment

of the

limit is shown at the

depth range.

range

example,

the lower limit.

a lower limit of 50 feet creates a 30

feature that

enlarges targets

on the

When a return

waves into electrical

the

sonar unit.

transducers or other sensors

limits

displayed

of the

top

a 20 to 30 foot

or television

For

example,

onthesonar

display,

range

type display.

an

upper

while

has 20

limit of

foot window.

display.

37

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REMOTE

-

An

intelligent

from another sonar unit.

However, separately

RESOLUTION

It

from

have It's own features

does

the master.

-

The

ability

other or the bottom.

RMS A standard

-

SCALE

of a

markers on SECOND

of a

The

target, simply

ECHO -Another echo that

target

bottom, striking

the surface.

returing SECOND

to

FUNCTION KEY

primary keys

have other second function

rating

markings

compare

the

display.

echo.

This is caused

the surface of

the

on

keys

keyboard.

with two functions.

key.

"repeater"

unit that receives

A remote doesn't have

that are

of a sonar unit to

transmitter

of

on a sonar

the

target's

thewater, travelling

-

A button

power output.

unit's

display.

location.to

registers

the sound

by

that converts the functions

Sonar units

You can switch functions

information

depth

a

transmitter

adjustable

separate

targets

To determine

the location of

at

roughly

waves

tothe bottom

reflecting

receiver.

or

and

operate

from each

the

the scale

twice the

again,

depth

off the

of the

with a second function

with the

and

key

INTRODUCTION

When the Z-7200

automaticallyfind bottom

and only key

depth

sensitivity

that needs

and

displaythe

changes,

to

keep

to be touched

the bottom

automatic mode allows

The Z-7200 is

protection.

use at

easy

includes

To

night.

all

parts

started with

get

iswhere it all

the road. After

the rest of this

read

the

to

water,

nitrogen

The

liquid crystal display

PIus,

labor for one

and

your

begins,

and

you've

manual in detail. The

the more

Crystal Graph (LCG)

Liquid

the

bottom

Z-7200 will

is the ON

manual

adlustment

filled and

ft's covered

Z-7200,

Improper

read

your

installation

these instructions

Z-7200 will do for

is turned

and

signal

othertargets.

automatically change

signal

on the

key.

display.

However, disabling

of the Z-7200.

sealed for

and

keyboard

a full one

by

from the date of

year

read the installation section.

first

more

complete

are

year warranty.

can cause

and Installed

know when

you

you.

purchase.

problems

it will

on,

As the

the

range

If

desired,

waterproof

backlighted

down

Z-7200,

your

you

the the

for

This

get

SENSITIVITY Increasing

called

"gain".

SCROLL SPEED

SHOOT-THROUGH-HULL

sonar

signals

hull. SUPPRESSION

-

the

sensitivity

to

The

ability

-

See CHART

through

pass

-

A method used In

a sonar unit's receiver

of

allows weaker

SPEED.

-

A transducer installation

a

fiberglass

targets

hull without

some sonar unltsto eliminate

ence or noise.

SURFACE CLARITY

nals

displayed

THERMOCUNE

of water. The

layers TRANSDUCER

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CONTROL - Reduces or

near the

-

water's surface. Also

-Alayer

The element

ofwatercaused

thermocline

of a sonar

provides

36

eliminates undesirable

called "5CC".

bythe

the

temperature

system

to

display targets.

be

to

displayed.

which allows

cutting

meeting

a hole in the

of warm and

mostfish

converts the electri-

that

Also

the

interfer-

sig-

cool

prefer.

INSTALLATION

Mounting

Install the Z-7200

clearance

allow aluminum

back of

certain

when tilted forthe

wood screw or

panelswith

thin

fiberglass panels

there is

enough

transducer cables.

3/4H

route the

the

surface.

Pass

bracket.

You can

hole In the base of

the

mounting

through

hole and

is

gimbal

the bracket and dash.

rubberadhesive

(RN).

in

through

sheet metal

room behind

power

gimbal

The smallest

convenient location,

any

bestviewing angle.

bolt

mounting.

screws. Place

to secure the

mounting

the unit to attach

transducer cables

and

bracket.

Then

pass

hole that will

the transducer connector

Then

After

routing

Offsetthe bracketto

push

the

power

the cables,

coverthe

1

provided

there is

Holes in the bracket base

Attach the bracket to

a

and cable

cable wire down

of

piece

plywood

hardware. Make

the

through

them

through

one connector

pass

up

onthe

power

the

7/8"

a hole in

through

and

the

fill the hole with silicone

majority

of the hole.

Power Connections

cable to an

power

electrical

The Z-7200

interference,

operates

accessory

then

trical interference shows boat's

engine

is

negative

cable with the

power

attaches to the

splice ordinary as closeto the

protects

fuse.

amp

The

or

the

or an

power

ground.

battery

#18

power

accessory

cable has two

Attach the in-line fuse holder to the

crimp

or

gauge

source

cable

The Z-7200 has

if

the wires are reversed.

attached

correctly.)

from a 12 volt

or

power

attach the cable

battery

buss. If

directly

as random dots on the

is on.

red is the

wires,

connector. The other

accessory

wire onto it. Be certain

(battery

and

reverse

(However,

buss. If

or

Z-7200 in

your

polarity protection.

the unit will not work

the cable is not

accessory

the event of a short. Use a 3-

system.

have

you

to the

display

positive

Attach the

problems

battery.

whenever the

lead and black

red wire on the

end of the fuse holder

long enough,

that the fuse holder is

as

buss)

No

possible.

damage

until the wires are

will occur

with

Elec-

This

of the bottom. In

hard bottom

or

weedy

narrow

IN-DASH -A sonar unit

bottom

gray

the face of the sonar is

-

kl-Iz

Kilohertz. A

at 192 Kilohertz.

-

LCD Graph

LCG

NOISE ignitions systems, radios,

the

random dots or lines.

OPERATING FREQUENCY

and

Liquid crystal

sonar

-

Liquid Crystal

-

Any

engine

receiver are tuned

other

returns a

returns a weaker

line.

measurement of

(192,000

instrument.

undesired

or other

words,

strong signal causing

installed

flush or

cycles per second).

display.

Graph.

signal.

etc. Acoustic

mechanical sources. It

to.

can tell If the

you

signal

through

so with the dash.

nearly

frequency.

The screen or

Electrical

noise is caused

-

Frequency

bottom is soft or hard. A

awidegrayline.

which is

a hole in the boat's

Your

Eagle

display

Asoft,

emphasized

dash.

sonar

of a

Liquid Crystal

noise is caused

the vibration of

by

appears

that

the sonar unit's transmitter

on the

muddy

with a

Usually,

operates

by engine

display

as

OUTPUT POWER -The sonar unit to the

power, PEAK-TO-PEAK

PIXEL

the

deeper

-

The small

PIXEL DENSITY - The

display.

in

PULSE LENGTH measured in resolution. For

inch RANGE

a 60

The best

the vertical.

resolution.

-

The section of water

foot

range

micro-seconds.

example,

has zero for

amplitude

transducer. Measured in

a

sonar unit can

-

A

measurement of

dots or

resolution Is obtained when

-

The amount of

squares

number of

a 30

2

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of electrical

watts,

and more detail can be

read,

the transmitters

on a

liquid crystal display

pixels per

time that the sonar

The shorter the

micro-second

shown on the sonar

the

upper

square

pulse length

limit and 60 for

35

energytransmitted

the

higher

power

the

displayed.

output.

or CRT.

Inch on a

a

number of

high

pulse length,

display.

liquid

transmits. This is

the better the

is

equal

For

the lower limit.

from

the

output

crystal

are

pixels

to a one

example,

GLOSSARY

NOISE

ANCHOR

WATCH -A

when the boat drifts

points.

BACK-LIGHTED

light. Back-lighted

or

navigating.

CAVITATION

or transducer

CHART SPEED

recorder.

graph. CONE

transducers

needs of

CRT

DEFINITION resolution

(2)

(Also

ANGLE - Width of the

fishermen.

-

Abbreviation for Cathode

display

-

A

displaysand keyboardsareessentialwhefl

-

Air bubbles created

through

-(1)

The

speed

called "scroll

with cone

-

The

ability

can show more detail

setting

of the sonar

into shallower or

water.

speed

of an

speed").

angles

of a

or

keyboard

the

by

of the chart

across the screen

image

transducer's cone of sound.

8 to 45

from

Tube. See Video

Ray

sonar unit's

display

The

unit's alarm. The alarm activates

deeper

water than

illuminated from behind

high speed

paper

degrees

display

to show

the alarm set

by

nightfishing

movement of a boat

on a

paper graph

of a

liquid crystal

Eagle

Graph.

detail. A

the

varying

high

to suit

than a low resolution one.

a

has

Minimize electrical noise

other

possible

generators instrument

sources

is the

engine's wiring

panel.

This harness

which radiates RF

and transducer

power pump

cables

wiring

can sometimes

from those wires.

away

VHF radio antenna cables

levels than even the

7200's

radio cables.

power

and transducer

If interference

increases,

speed

This noise is

the transducer.

If the noise

Rpm. Usually,

air bubbles

acoustic noise.

generate

noise on

transducer

then a

not

electrical,

Stop

The fastera

owner's manual for

routing

by

of electrical interference.

harness

usually

(radio frequency) energy.

cables

engine's

begins

away

radiate noise so

wiring

cables as far

slow boat

at

probable

rather

but

the

boat,

put

does not increase on the

passing

the

over the

boattravels,

display.

proper

that runs from the

contains

from the

radiate HF

harness.

speeds,

is acoustic

cause

mechanically

the

engine

face of the transducer create

more air bubbles increase and

the

To eliminate

mounting techniques.

the

power

cable

One of the

away

largest

engine

a wire for the tachometer

best

For

engine

try

energy

It is

away

in

neutral,

display,

results,

wiring.

to

keep

important

as

possible

worsening

noise,

induced

Also, bilge

the 7-7200's

at

higher power

to

keep

from VHF

as the boat

or cavitation.

noise from

and increase

then it is cavitation.

this

problem,

keep

read

from

noise

to the

the

the Z-

the

-

DISCRIMINATION

displayonlytruetarget

out false

FISH ALARM

FISH ARCH upsidedown

FLUSH MOUNT

signals

- "V" orarch. This

bottom of the transducer flush GIMBAL

BRACKET

The sonar unit

-

GRAYLINE

This function shows the relative

on the screen.

in

black,

stronger

A featurethat allows

information. Discrimination

from other

-

An alarm

A sonar

-

A transom

can rotate in the bracket for

Signals

targets

sonar, noise,

that activates when a fish is

with

resolution

good

distinguishesfish signalsfrom

mount transducer that is

with the bottom of

-

A bracket used

weaker than the

are

gray.

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the sonarto eliminate noise

on

Eagle products

thermoclines,

detected.

displays

fish

the hull.

to install a sonar unit

It also

34

the best

strength

GRAYLINE

gives

viewing angle.

of

selling

clues to the

and more.

signals

othertargets.

installed with the

permanently.

signals displayed

are

compostition

and

cuts

with an

displayed

TRANSDUCER

Installation

in a

separate package.

install the transducer.

instructions for the

transducer are with the transducer

Please read the instructions

a

3

carefully

before

you

KEYBOARD BASICS

This section

Operation

section for a

gives

detailed

a brief

description

explanation

of each

of the

keyboard.

key's operation.

Read the

SPARE

order,

simply

it to the

Price

(Note:

PARTS

The

following

is a list of the most

writethe list of

above address.

subject

to

parts required

change

without

commonly

on a

slip

notice.)

needed

of

paper

parts.

and

To

mail

SENSITIVITY These

the

graph's sensitivity. (rho digital

automatically The

receiver

allowing adjustment

range

decreases the

key

arrow

right

RANGE selection of

arrow to decrease the

up

depth. increase the

ZOOM

enlarged

"zoomed" with this

ON OFF These on and off. To turn it

press press

ates a tone or

7200's accepted

ad

sensltMty

of conditions. The left arrow

key

The

arrow

depth ranges.

Press the

range.

Targets

to twice

the ON

the OFF

Pressing

way

a

key. key.

"beep."

of

telling you

command.

keys

its

justs

sensitivity.)

has 32

over a wide

sensitivity,

increases It.

keys

down arrow to

on the

display

normal size or

key.

turn the 2-7200

keys

on,

To turn It

any key gener-

This is the Z-

that it has

control

steps,

the

allow the

Press the

range

simply

off,

Part Number

151-0071-00

003-2250-00 003-2223-00

003-2181-00 988-0106-09

SPECIFICATIONS Dimensions

Weight

Transmitter

Frequency

Output

Receiver

Operating

Operating Voltage

Number

of

Depth Capability

Power

Sensitivity

Current

pixels

Description

Power Cable Gimbal Knobs

(w/washers, 2 ea.)

Price

6.75

3.95 Gimbal Bracket 7.75 Fuse Holder

(w/3 amp fuse)

Owner's Manual

5

3/4"H

1

3/4 pounds

x

83/16W

x 2

3.95

2.50

5/SD

192kHz

500 watts

peak

to

peak typical

63.5 watts RMS

> 85 db

200 ma 500

ma

temperature

(lights (lights on)

stabilized

off)

9-15 vdc

192 x 64

12,288

300'-500'

(with

500'-700'

with 8

(vertical x horizontal)

Total

typical

20

degree transducer)

typical

degree

transducer)

4

33

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BAIT FISH

The

importance

emphasized. They

of bait fish to successful

are the

principle

food of all

fishing

game

can't be over-

fish in most waters.

KEYBOARD

BASICS

Baitfish arethe

shad. bluegill,

Bait fish can also be the

and bass. Most bait fish concentrate

sunlight promotes method

bait fish will be

of

fishing

will look like a "cloud" on

nearby,

often

planktonfeedlngforagefish,

young

of

within fIve feet of the

the

growth

is to use the Z-7200 to

of

the

plankton

find the bait fish

the Z-7200's

directly

beneath

the school of bait fish.

such as

fish,

game

on which

display. Usually,

minnowsand

crappies,

surface where

feed. One

they

first. A school of

fish

game

UGHT Press

thesametlmetotum

controls the chart 7200 has 10

from the

right

chart duces it. Press both

same time chart

ZONEALARM keys

alarm. ft's

"fish

fish or school of

alarm if

COMMAND FUNCTION 7200 has "menus" of features

are accessed

range keys

both

sensitivity keys

the

lights

The CHART

chart

slow to FAST.

very

arrow

speed.

to

display.

controls the Z-7200's

alarm."

group

speed.

speeds,

key speeds up

The left arrow

keys

and restrart

stop

KEYS

Thisgroupof

commonly

Any

used as a

target (such

will set off the

fish)

it enters the alarm zone.

by pressing

at the same time.

of

The

ranging

Pressing

key

The Z-

at

on or

keys

Z-

the

re-

at the

the

zone

as a

that

both

The Z-7200 has

The AUTO

7200 in or The 2-7200

sensitivity

power

lows making

sired. When the Z-7200 is in matic

plays immediately

ity

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32

out of the automatic mode.

automatically adjusts

and

on.

Pressing

to take control

you

manual

mode,

bar.

switches

key

range

the AUTO

adjustments

word "AUTO" dis-

the

below the sensitiv-

the 2-

selection at

key

of the

2-7200,

as de-

the auto-

the

al-

Note:

more features

justdiscussed.

look at the

and

read the this manual.

5

than the ones

Fora detailed

Z-7200's features

operation

Operation

many

instructions,

section of

DISPLAY INTERPRETATION

Now let's look at

we'll

First,

ing

six

the return

and the bottom

it hasn't found it finds the

played.

turn on the Z-7200

the ON

seconds.The chart is now

key.

The

echoes across the

digital

depth.

is

It's

flashing

the bottom

bottom,

the

will flash for

lights

searching

0

yet.

the

depth

Here the Z-7200 has

the bottom at 49

zero to chooses a lower limit that

bottom

display.

play

sensitivity

from left to

indicates minimum

the bar to run

60 feet. It

signal

The bar

is the

sensitivity

in use.

feet. The

near the

bottom of the

at the

top

bar. It shows the

The bar

right.

A

very

sensitivity. Setting

completely

automatically

places

of the dis-

short bar

across the

display.

by press-

scrolling

screen

for

the

because

Once

is

dis-

found

is

range

the

extends

the

top

sensitivity

of the

display.

to maximum causes

The

temperature

to bottom.

warm

Layers

and cool

thethermocline can

be two or more at different

may

fishermen because

fish will

Just

be above the

below it.

layer

of

varywith they

The Z-7200 can detect

sensitivity

which

SURVEYING A LAKE

will

probably

A

knowledge

they usually remain,

The most successful

fish it

that

and

And depending

trate on

lake!

after

day

produce

atwhat

realize that these

they

on water

With

and

day

fish

consistently.

depth, theycan expectto

level,

the

Z-7200,

the areas where fish are

of

water in the lake is seldom constant from

different

temperatures

water is athermocline. The

the

season ortime of

depths.

are areas

thermocline while

where fish are active.

Thermoclines are

larger game

this invisible

have to be turned

of the

water

temperatures

helps you get

anglers

after

year

year.

They

up

the most from

on

any body

Eventually, they

discover

and the

form,

depth

In

day.

fish will

In the

layer

to see it.

various fish

of water are those

learn the hot

through experience where.

findthefishtheywant

productive

temperature, food,

anyone

areas

change throughout

and other factors.

can

eliminate

to be. Even if it's the first time on

likely

guesswork

junction

and

thickness of

lakesthere

deep

Important

times bait

Many

suspend

water,

prefer,

Z-7200.

your

at

anyseason.

the

and concen-

of a

in or

but

and in

who

spots

year

top

to

the

The word AUTO indicates the The

to

right

decreases,

appears

left,

when the chart is

The

bottom of

Scale

markers

actual

depth.

For best

explains features

in detail all of the

not discussed

line of the

top

showing

the

range

the

display, respectively.

the chart is

dashed line

is both an

printed

on

results,

here.

display

changes stopped.

upper

both sides of the

read

the

functions that are in this

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Z-7200 is in the automatic

is

always

moving.

speed accordingly.

limit

In

a dashed line. It moves

As the chart

and a lower limit

this

example,

display help

Qperation

6

section

increases or

speed

The word 'STOP"

at the

the

range

top

iso -60 feet.

deterrnine the

of this manual. It

section,

plus

mode.

from

and

other

The most efficient

isto

indicate the

and

type

the

dial

fish for

When

will

unwind until the sinker

shape, make

essential when school of fish when

it

survey

with

your

promising spots

As

you go

of bottom. It will also

usually

them. You

Keep

the Z-7200 indicates

It won't

your

indicate a

a few

unwind

turn and

you're

to become

way

Z-7200. Start with a

in

relation to landmarks on

about

your

survey, your reveal

school of fish and it's worth It

good

not

may

marker

get

buoys

any

further.

in the

a school of

hits bottom.

further. With the

any

come back to fish in

far from shore on a

over

you're

it,

you may

31

acquainted

map

Z-7200 will

suspended

boat,

throw the

fish,

Then, because of the marker's flat

school thus

exactly

lake. Unless

big

with a

of the

lake,

shore.

tell

fish.

Multiple signals

to toss overboard.

ready

out. The

buoy

marked,

the

right spot.

not be able to find it

body

if

possible,

the

you

to

stop

you

mark the

you

again.

of water

depth

string

This is

and

on

and

can

OPERATION

When the Z-7200 Is

displays

It also

display, plus

allows

the unit is

the bottom

sets the scales to a

much more.

to concentrate

you

manually adjustable

conditions. At

first turned

and

depth,

range

Using

on

fishing.

soft can be

take this manual with

first,

It

on,

automatically

the

adjusts

that will

the

sensitivity

the bottom

keep

Z-7200 in this mode

However, virtually every

"fine tuned" to the

as a reference

you

to the

finds and

proper

signal

is

level.

on the

simple

function of

surrounding

guide.

and

Most fish don't

rather narrow limits. To

ture

meter,

provides

water

streams

such as the

an

extremely

spawning temperatures

that

get

too

spawn

find the duff erent

EDT-20 is a valuable

quick response

warm. Bass and other

stocked in lakes that remain

a wider

have

which it tries to

within

the level that

at

comfortable

temperature

provides

here.

tolerance

stay.

this

unless the

for various

too cold

Schooling

temperature.

during

than

fish

water

temperature

temperatures.

aid to

to

identifying

species.

fish

Trout can't survive

eventually

the summer.

others,

each

suspended

We assume

within

is

a surface

your

boat.

tempera-

This unit

the desired surface

die out

While some fish

has a certain

over

deep

they

when

range

water lie

are the most

in

ON

The ON

found in this

easily the ON

An audible

key.

begin flashing, across the

bottom

display

depth display.

islocated Inthe lower

key

location - even at

beep

then

after six seconds.

stop

the number "0" will flash.

and

Afterthe unitfindsthe

depth.

OFF

To turn the

AUTO

Z-7200

The automatic mode is enabled

switch to the manual mode,

Pressing

the AUTO

This cancels auto

control of the unit. Return

the AUTO

key again.

erases the word

key

sensitivity

C)

C

cornerofthe

right

turn the Z-7200

night.

reflects the

To

key press.

The chart will

This number Is the

bottom,

[FFIH

press

the OFF

key.

off,

F;]

when the Z-7200 is turned on.

AUTO

pressthe

and

ranging, giving you

the Z-7200 to automatic at

keylocated

AUTO at the

on,

press

will

lights

scrolling

digital

key.

display.

manual

It's

To

keyboard.

The chart

begin

it

displaysthe digital

above the ON

of the

top

complete

anytime by pressing

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30

7

SENSITIVITY

When first tumed

The

micro-computer

and lock onto the bottom.

mode or

manually adjust

automatically adjusts

A horizontal bar at the

level. When the

the

sensitivity

correspondingly. Setting

extend across the available.)

To

This

turns auto

disappear, signifying

the

sensitivity, press

the

desired level. The left

Notice how

the

press insensitivity. Pressing

the

sensitivity

the

display.

On the next

sensitivity.

with

along

widened.

When the

screen,

the

a second bottom

caused

by

it makes a second

TotumAuto

pressing

functions on and off

the AUTO

sensitivity

causes the bar to

top

the

place

Z-7200

sensitivity

that

and hold

the

sensitivity

arrow

right

On the

highersurface

sensitivity

key,

has

decreased

page,

right,

horizontal bar reaches the

echo

the

returning

trip

Sensitivity

key

at the same time.

of

the left

level is at maximum. With

(second echo)

signal reflecting

to the bottom and back

turns both automatic

the Z-7200 is in the AUTO

on,

the

sensitivity

You can leave the

It

to suit conditions.

of the screen

top

isat

minimum,

travel to the

the

sensitivity

the

display. (There

in

manual

off.

The word AUTO at the

sensitivity

the bar is

right,

to maximum will

are 32

mode,

press

the Z-7200 is In the manual

the

arrow decreases

bar

moves as

the bar

arrow

accordingly.

the

photo

the

graph

clutter are now

arrow

right

sensitivity

you change settings.

moves to the

movesthe bar to

key

You'll also

on

the left shows a

has a

proper

visible, and the bottom

key

right,

sensitivity setting.

far

high sensitivity settings,

may appear.

off the surface of the water.

again.

back

on,

press

the AUTO

sensitivity

SEARCH mode.

and

range

in

the automatic

displays

very

the

short.

increasing

sensitivity

Increasing

In

cause the bar to

of

steps

the

top

AUTO

of

the

sensitivity

key

display

mode. To increase

until the

indicating

right

sensitivity

in the

same manner.

When

an increase

the

left,

showing

see the

graph

change

with too little

signal

hand side of the

This Is normal.

key. Remember,

and auto

to find

length

once.

will

is at you

on

A fish

has

It's

Then

ranging

If a

curves

not

pointing straightdown.

fish

show the distinctive

achieve the correct

the fish

speeds

duetothe cone

in

shallow

but not back

up,

Remember,

to

develop

with the main

The

depth

water,

arch

partial

mounting.

there

the

of

the water will affect the size and

anglediameter.

the

signal

This isdue tothe narrow

display. depth.

detail.

than

arches as well as a

and

show a

Large arch.

ermoclines, etc.,

get

Even the 20

Compared

The reason for

a

paper graph's

interpret

fish will

the screen than

small fish

Very

arch,

partial

arch,

Because of water

the

fish arches.

degree

to

this is the

markings.

graph. Plus,

or a

but turn

sensitivity

One of the best

segment

the better

as deep water,

WATER

upon

always

colder water

a fourth as

of the water.

For

the screen resolution will

possible

without

this

TEMPERATURE AND

Water

the

activities of all fish. Fish are

the

temperature

getting

method should work to

temperature

slows down their

much food as

occurs most of the time on

or

down,

arch. This

must be some movement between

arch.

engine

conediameter and the

a

paper

probably

shape

conditions,

ways

example,

vice-versa)

atransom

Adjust

may

Usually,

in

displayed

transducer has

a

at a

gear

For

example,

graph,

pixels (dots

Therefore,

it

requires

paper graph.

will not arch at all.

similar to an arch if

the

sensitivity up

suôh as

sometimes

to

fish arches is

get

40 to6ofeet.

be.

Then,

too much noise on the

THERMOCLINES

has an

important-if

It

could be the transducer is

mounted transducer until the

take some trial and

this means

minimum throttle

If the cone

on the

Z-7200

resolution limitations of the

a

only

a Z7200

cannot show as fine of

on the

screen)

the Z-7200

a bit more

in

deeper

heavy

cannot be increased

to

The smaller the

turn

up

screen. In medium

display

fish arches.

not

cold blooded and their

of the

surrounding

metabolism. At this consume in the summer.

they

water.

time, they

your

unit

error until

(the

mark

you

the boat and

trolling

shape

at

selling.

of the fish arch

passes

not arch at all.

may

3 foot diameter at

are much

slow

very

overa fish

this

larger

cannot show fish

work

initially

Medium sized fish will

they're

in

water to see

surface

expand

the

sensitivity

to read

deep

clutter,

enough

or

"zoom" a

segment,

as

water.

the

th-

to

high

to

controlling-influence

bodies are

During

the

winter,

need about

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

8

29

Brush

usually

above the bottom

however their

signal

lies on the bottom and shows

signal.

is not

Brush

as

signals

strong

as rock.

look similar

up

as

clumps

to

large

rising

rocks,

a

FISH SIGNALS

The

signals displayed

various

created

them

below.

is shown

cone,

distance

shaped markings

noise. Or the

by

Typically,

from their

The distance to a fish when

as "A" below. When the fish has

the distance

will increase

In certain

continuous

solid,

fish are identified

stationary

to itwill be

surroundings.

shorter,

as shown in "C".

again

on the Z-7200

patterns,

a characteristic arch that

by

as

opposed

markings

The reason for

are Identified

fish

random marks

to

made

by

this Is shown

it moves into the sonar's cone of

moved into the center

"B". As it moves out of the

by

the bottom.

separates

sound

of the

the

cone,

2

SENSITIVITY: TOO LITrLE

AUTO

SENSITIVITY OPERATION

When the Z-7200 is in

automatically adjusts

ity

computer places

bottom

up

the

signal.

69'

to the

it at a level

SENSITIVITY:

the automatic

surrounding

slightly

above

4

the receiver's

mode,

conditions. The

the minimum

di

a

ADJUSTED PROPERLY

sensitiv-

micro-

to

required

pick

Changing

is

mode

possible.

to show fish or other to

pick up

desired,

simply press key

required

alert. The same is true if

press

the

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

28

the bottom

you

Toadjustthe

c to decrease the

to

keep

the arrow

sensitivity

the

sensitivity

This

may

small detail. The Z-7200

signal,

add

can

either the

sensitivity up

sensitivitywhilethe

right

sensitivity.

the bottom

the

key,

level chosen.

be desirable

then add

arrow

signal,

you try

sensitivity

while the Z-7200 is in the automatic

level

if the

sensitivity

level is not

will increase the

in the level

maximum.

to the

Z-7200

to increase

key>

If the value

the Z-7200's audible

above the maximum level.

to

go

will move

bar

9

you programmed.

is in the automatic

it. Press the left arrow

the minimum

below

goes

tone will sound an

or

right

left, according

enough

sensitivity

If

mode,

As

you

to

CHART SPEED

At

power on,

For a

higher

the

keyboard.

the FAST

either of these change

near the

press right.

of chart

be

speeded up

side of the

right

7200 will sound a

speed, press

When the scroll

To slowthe

key.

keys

to

a dashed line. The letters "CHT" will

of

the

top

and hold This

speed. By

the FAST

signifies

or

screen,

At times it

an echo

CHART section at

on the

mode. moving

depth

before

display

Pressing

at the last

will

chart is in

SCALE

There are

This

helps

0 to 60

feet,

is next to

it

will

continue to be

the "freeze" mode.

to determine the

then

the 5th

line,

La

the chart

causes the

display.

that the chart

holding

slowed down. When the horizontal bar

the chart

tone

indicating

is desirable to

scrolls off the screen.

the same time will

flash on and off to

both

keys

chart

speed selling.

ten scale markers

each mark is

then it is 30 feet

speed

and hold the

speed

display, press

sensitivity

The bar

for

key

example,

speed

eitherthe FAST or SLOW

speed

maximum

stop

at the same time

displayed.

of a

depth

equal

I

scrolls at a

FAST

reaches

pre-determined speed.

in the CHART section of

key

the desired

and hold the SLOW

bar at

the

also

represents

the chart

the bar will

is

increasing.

is at

its maximum value. The Z-

chart

speed.

or "freeze" the

Pressing

freeze the

signify

If

the

digital

The

digital

printed

target.

to six feet. If a

deep. (5

both arrow

display.

that the unit is in the freeze

again

sonar is

does not

on both

For

example,

target (such

lines times 6 feet

top

appear

keys,

display

wiil

sides of the

speed,

of the

release

key. Pressing

display

in a window

speed.

start

moving

There are 10

the

display

reaches the far

to examine

keys

Now the start the

the bottom

on,

when the

stop

if the

as a

=

30

top

display

display.

range

to

If

you

to the

steps

can

in the

line

is

fish)

feet.)

The 20

the 8

water,

-

feet

fresh

desirable. penetrate

Both 8

readings, model. This is

the shallow

tells

signal

Paint

foulant and other marine

tMty.

transducer's designed

ers.

SIGNAL

gives

of firm

automatic you

returns a weak

sensitivityturned on,

mud

maintain a determining

depth

then it is over a

decreases, the

paint

Do not

Since

an accurate

sand,

have

bottom,

of

water,

degree

water,

Sincethesound

to

much

degree

even

though

because

of the

edge

whether

you

transducers on sait water boats with

to

prevent organisms

growth

use a metal based anti-foulant

sensitivity.

for

transducers.

INTERPRETATION

your

picture

gravel, shell,

sensitivity

moved over a mud bottom. Mud

signal.

the Z-7200 wiil

bottom

good

if

the bottom is soft or hard. If it

then the boat has moved over

hard bottom. Of

sensitivity

transducer is

mostly

100 feet

deeper depths,

in salt water. In a

-

energy

and 20

the bottom

are

you

signal

are over

you

almost

salt

water)

isconcentrated

signal

seeing

you

transducers

more of the bottom.

degree

shows

rocks,

from

growing.

will cause a decrease in the

There are

They're readily

2-7200 is both

special

extremely

of the bottom that

or hard

is off and the

Turn

watch the

the

up

sensitMty

automatically

signal.

will also

clay

signal

sensitivity.

The

course,

change.

returns a

narrows

always

deep

the

the best to use in fresh

water

environment,

narrow cone

angle

Is more

inasmallerarea,

accurate bottom

give

is much

the true

wider on the 20

depth.

etc.

mud,

degree

Remember,

The rest of the

a thin coat of anti-

If

unchecked,

transducer's sensi-

it will

as

paint

anti-foulant

available at most marine deal-

sensitive and

boat is

your

paints specifically

passing.

wide

fairly

then it means that

down,

absorbs the sound wave and

If

have the automatic

bar. As

sensitivity

you

the boat

increase the

bar will

increases while in the same

a soft bottom. If it

as the water

depth

barnacles

decrease the

powerful,

A bottom

signal.

passes

overthe

sensitivity

help you

decreases,

increases or

If the

(300

itcan

it

to

In

RANGE

When the Z-7200 is in

bottom

however, Pressing

it

may

on the

be desirable

signal

the ZOOM

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automatic,

display

key

as the

to

expand

doubles the size of

10 27

the

ranges change

bottom

the

range

targets

depth

varies. At

or zoom in on a

on the

screen.

to

keep

times,

target

the

rocks or

the bottom

height.

extending

returned from a

Big

level

As

you pass

above the bottom

A

steep slope

stumps

signal.

high

on a smooth bottom

The

height

over a

post,

signal.

it

returnsawide

underwater cliff

of the

signal depends

will be

signal,

are

deafly

the

usually

send back

signals

on the

visible as a

steeperthe

wider.

the widest of all.

above

target's

short line

Signals

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

TRANSDUCERS

The sound waves from

a cone

angle

shaped

between

coneangle.

In otherwords,

of the same

other

any

operating allows

you

degree transducer

beam. This looks

the outside

offers a choice of

Eagle

Thesewill

use

frequency

manufacturers' transducer

Typically,

In shallow

to see

cone covers

covers

B. th

50 it tilt.

100 14- 25— 150 21 53- 200 2S- 71-

AND CONE ANGLES

the transducer

much likethe beam

of the cone

edges

transducers with either

interchangewith anyofthe

instrumentwith

sonar

Eagle

any

with no loss

of

performance.

will result

wide cone

to medium

more of the underwater

an area about

about a two foot

only

cone

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D4.melt

a- 20'

angle

water

transducers

depths.

spread

out into the

from

is the cone

192 kHz

any Eagle

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In a loss of

degrees)

(20

The 20

degree

world. In 15 feet

six feet across.

circle.

100'

water in

aflashlight.

angle.

an & or

20

degree

sonarproducts.

transducer

the use of

performance.

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cone

of water

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degree

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for

angle

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LOWER LIMIT

To

changethe

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keys

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display

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the

The maximum lower limit

actual

the

conditions, plus

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desirable to

to show more detail.

feature. If the unit is

the size of the

ZOOM

"window". To

2

targets.

key changes

change

RANGE: 0-60 FEET

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a

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limit,first

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the AUTO

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key

section.until

the Z-7200 can

it

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quality

can

of the transducer

depth

the

[;;M]

expand

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in the manual

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example,

the

range

the

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mode, press

to 30-60

16

make certain theword

the automatic

sensitivity function.)

once to disable

it.

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the desired lower

the new

to

depth

of the screen.

display

reach Is

or

on the Z-7200

dependent

installation.

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using

by

the ZOOM

if the

feet. This 30-60

press

is 0-60

range

the

up

ZOOM: 30-60 FEET

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feet,

range

ordown arrows

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--

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mode Is off.

If the auto-

one

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range

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on water

of the

key

pressing

and

display

the ZOOM

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to

the

is called a

in the

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150'

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

26

11

RANGE

up

the

smallest

AUTOMATIC BOTTOM 7200 Is in

its

mode. If it example,

keep

bottom

deeper.

upper 20 foot

until the

choose foot size is

Otherwise the limits are in one

section. For

arrow

in the RANGE section will

arrow

up

again

zoom window.

The lower limit will

the automatic

depth changes,

To use

isn't,

lets use a 20 foot zoom

the

upper

in this

signal

Press the ZOOM

center

window. The bottom will

40 feet or

portion

window,

limit is 20

upper

an

upper

To exit from this

example,

and the

The

TRACKING

mode. To zoom in on the

follow the

this

feature,

the AUTO

press

limit 20 feet above

window,

of the

either

press

feet shallowerthan the lower

and lower limit

greater,

the window limits will end in

function,

zoom windowwill

largest

change

first

the

key.

display

the

always

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have a 30 foot

you

change

zoom window is

as the bottom

below.

steps

make certain the Z-7200

key. window. This means

the lower limit.

Z-7200 tracks it as it

The zoom window size

the window to

change

choose a zoom

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depth

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for a few seconds. If

or down arrows in

up

that will

be insidethis

foot increments.

press

the bottom

place

window. Ifthe

the ZOOM

window,

to

bottom and track it as

moves shallower or

the RANGE section

limit. The 2-7200 will

zero

key.

pressing

20 feet. Press

10 feet. This Is the

300 feet.

changes,

in

is

theautomatic

window. For

that the Z-7200 will

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you

signal

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if the Z-

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in

either

first,

change

both

press

section at the same time.

the same arrow

the

menus until menu #12

Use the arrow

section to select

-

#13

SCALES

FATHOMS,

display

feet, fathoms,

the

display

to fathoms or me-

arrow

keys

keys,

keys

feet,

Press the AUTO

selection.

or

the

or

reads in

in the

scroll

in the

fath-

key

When

the Z-7200

the

GRAYLINE

The GRAYLINE

displayed

bottom. In other bottom

weedy gray

without,

distinguish

automatically should

COMMAND section,

on the screen. It

words,

returns a

bottom returns a

line.

If

you

then the

When the Z-7200

you

strong signal

have two

target

weeds from

on.

desire

functions tells the relative

also

gives

can tell If the bottom is

you

a wide

which is

equal size,

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bottom,

12

weaker

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trees on the

Normally,

to

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gray

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it doesn't

the GRAYLINE

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gray

one with

stronger signal.

or

the GRAYLINE function

on,

require adjustment. However,

level,

strength

composition

soft or hard. A hard

line. A

emphasized

gray

fish from structure.

see menu #8 in

of

soft,

muddy

with a

and the

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or

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automatically displayed

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them

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time. scroll

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#13

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the

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vate the selection.

25

and lower

upper

of the

the same arrow

Using

the menus until

Use the

display.

both arrow

is turned

range

arrow

key

limits

on

the

To turn

in

keys

same

keys,

menu

in

keys

or

to acti-

-

MENU #11

tween resolution and

width.

pulse

Is the

case, separate targets.

width,

pulse

to

ability

in

ever,

the

pulse

return echo will be received. In

the Z-7200

fact,

increases the range

a narrow

ter,

since the

ficial, detection

target separation,

gives you

the

pulse

with

atwentyfoot

7200

displays

other

liquid crystal graphs.

in the RANGE section at the same

keys scroll

through

the ALARM section to

Press the AUTO

PULSE WIDTH

There is a

separate targets.

deep

width,

increases. In shallow wa-

is

the

width. Combine

relationship

transmitter

Resolution,

of a sonar

ability

the betterthe sonar's

water,

pulse

probability

high.

capability

detailfar betterthan

the menus

shorterthe

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the shorter

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automatically

width as the

width is bene-

For even better

the Z-7200

zoom and the Z-

change

to activate the

key

be-

In this

to

How-

likely

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change

until menu #10

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keys

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GRAYLINE:

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discriminates between the valid bottom echoes thermoclines,

bottom

depth.

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or other

Use it

22

complete The

signals.

anytime, regardless

digital display

digital

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sonar. It

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signal.

in the lower left of the

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easily changed

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digital

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bottomdepth

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section for details.

digital depth display.

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it will

tothe

display

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the

can

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to

better trackthe bottom

are

going

depth. Stop

will

give

display.

If

section

for details.

the maximum

get

by pressing

to travel at

the

both arrow

chart,

high speed

then

both the fastest

wish to turn the

you

performance

at the same

keys

signal.

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A

and

change

good

you just

to

the

digital

out of

your

time

sonar

digital

reason to use the

want to know the bottom

large

updates plus

display

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digital

see the COMMAND

off,

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in

the

and allows it

only

digital

an

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Sr

SI•*LLnW UT

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ZONE ALARM

To set

ALARM

section of the

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deep

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signifies

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the down arrow

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SET

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keys

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move the

keyto

are

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part

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to move the bottom of

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press

The letters "ZR

displays

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of

the bar is

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disappears.

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menu #10

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MENU #8-

level, RANGE

Use the same menu #8 arrow

to turn GRAYUNE

menu returns

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upper

This

signifies

bar now shows the amount GRAYLINE in use. To decrease the GRAYLINE level,

press

inthe SENSITIVITY section. the desired level is

six seconds

turn itself off.

MENU

LINES

OR

displayed

pattern (checks). menu, changed change, press

the RANGE section at the same

time. scroll

menu #9 keys

lect checks or lines. Press the

AUTO tion.

GRAYLINE SET

To

press

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appears.

key

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the

right

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to horizontal lines.

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the GRAYLINE

adjust both arrow

arrow

Press the

keys

same

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time.

until

up

in the ALARM section

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and the Z-7200

to the chart

display.

appears

in the

of the screen.

the

that

or left arrow

and GRAYLINE

with a checkerboard

pattern

both arrow

the same arrow

sensitivity

increase or

attained,

CHECKS

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at the same

keys keys again.

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is allows the

operation

to flash for six seconds.

lights

time to turn the

will also

lights

of the

lights

out when the Z-7200 is

go

ITTTI

COMMAND

TheZ-7200 has "menus" of commandsthat

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time and

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"1"

the first menu

on the next

the bottom of the screen Indicates this Is

at

needs. There are 13

your

appears

the first menu Is SPEAKER

page,

for six seconds.

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side of the

alarm

will be

The zone alarm bar can be

permanently

When an echo

the zone alarm

by

"ZONE ALARM" flash on

If the

may

displayed

with a menu.

appears

screen In the area

is

range

need to be

changed,

it does not track

When the Z-7200 is turned

speaker

both the SHAL

at the

keys

all

settings

Z-7200 at

on. To turnthe

of menus available. These

pages

Press both

keys.

is notactivated. To

Alarm's

same time.

again

night.

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allowsyou

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VOLUME. The number

menu number one.

speaker

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will be erased.

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off,

lights

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keys

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you

six

for

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the

bar,

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changed

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press

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22 15

the

keyboard.

ALARM

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change

section. Once

menus,

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activate the selection.

feature.

selections

Once all of the selections are

on all menus will be activated.

For a detailed

MENU

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This menu lets

the

speaker

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to loud. When the Z-

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medium soft. To both

on,

arrow

the

section of the

Since

first menu it Usethe arrow

to

change

setting.

to execute the

key

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one of the arrow

change

other menu.

use the

item from the

make a

you

switch to

Or,

description

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range

speaker

change

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keys

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keys

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press

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keys

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is

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it,

at

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the

arrow

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keys

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the

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the bottom

when the Z-7200 To

display

foot, The Z-7200 will

foot down to

the

depth

revert to

the DIG TENTHS

arrow the same time. Then down arrow

-

DIGITAL TENThS

The

digital

depth

the

select the DIG TENTHS menu.

display

sonar

in

whole numbers

is first turned on.

In tenths of a

depth

display

99.9 feet. Below this

tenths of a

will

automatically

whole numbers. To select

menu,

press

in the RANGE section at

keys

press

in the RANGE

keys

section until menu #7

the

ordown arrows in

up

the ALARM section of the

to turn

tenths on or off. Wait several

seconds for the menu to

or

press

0

.;

.2.

the AUTO

TENTHS OFF

to activate.

key

displays

both

the

or

up

displays.

keyboard

disappear

-,

0

a

MENU #2- DISCRIMINATION

noise levels

High

echoes and make it

undesired

signal.

a combination of

It is

the two.

The Z-7200 has

noise

signals.

are noiseand eliminatesthem.

It

processes

displayed

hard to

interpret

caused

by

Discrimination which is effective in

all

on the screen can obstruct true

the

display.

either electrical or mechanical

incoming

Then it

echoes,

displays onlythetruetarget

16

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determines

target

any

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or

which ones

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10

21

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24

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MENU #6

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-

DIGITAL

The

digital

When the

the

to a different size,

in the RANGE section

keys

time. Then

same

down arrow section

the

press

ALARM section

select the size. Wait several menu AUTO

keys

until menu 6

or down arrows

up

desired

to

disappear

to activate.

key

SIZE

depth display

Z-7200 is first

Is

depth

press

in the RANGE

displays.

of the

digital

seconds for

or

small and

displayed

To

change

arrow

both

at the

the

up

keyboard

number

press

or

to

the the

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tion level,

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up

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the screen.

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to 10

(off)

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ALARM section to

Once the desired the AUTO

on,

both

press

menu #1. Next,

until

key

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(high).

the Discrimination

the arrow

to

key

the Discrimina-

arrow

keys

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pressthe

menu #2

inthe

upper

adjusted

the Z-7200

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keys

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level is

activate it.

the

set,

in

ap-

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from

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level.

press

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20

MENU #3-Sec

(SURFACE

the

top

many

interferes with fish

targets.

face

wave

temperature inversions, and other

reasons.

(8CC)

face

clutter. 8CC varies

the receiver

pulse,

forthe return

ing" is the

surface.

the

depth

quarters range.

would have an

matically

arrow

keys

until the

key section forthe desired 8CC new 8CC

CLARITY

The

markings

of the

feet

Clutter and are

action,

Use

to

while the receiver lowest for echoes

that

display

below the

These

boat

Surface

reduce or

between each

It

gradually

increases.

8CC will affect

of the

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example,

effect from the

8CC

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Inthe RANGE

8CC menu

level.

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—or

surface. This

signals

markings

wakes, bait

Clarity

eliminate sur-

echoes. The

increases as

The maximum

selected

with

appears.

noise--at

can extend

and other

are Sur-

caused

fish,

Control

the

gain

transmit

is "listen-

gain

near the

is three

depth

maximum

surface to 45 feet.

of

adjustment. Turning

To

section atthe same

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by

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change

press

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the Z-7200 on auto-

to a

different

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the arrow

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to

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press

up

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8CC

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depth display Z-7200 Is turned

a

play

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arrow Use thearrow section to turn the Press the AUTO

selection.

MENU

the

Z-7200 Is a

vice

water's

tions, so

quick

"jitter".

will

change

difficult to determine the

tom tion,

tom

meters and

When the Z-7200 Is averaging

select menu #8 arrow

the same time.

down arrow

section until press

ALARM section

turn

averaging

eral seconds for

pear

vate

your

19

-

DIGITAL

This menu turns the

off and on.

the

on,

is on. To turn it

in the RANGE

keys

until

key

-

#5

DIGITAL

The

digital

that

gives rapid updates

depth.

the bottom contour

that the

In other

so

depth.

readings

To minimize

the Z-7200

between

displays

is enabled.

In the

keys

menu 8

the

or down arrows in

up

off, press

menu #4

in

keys

digital

to activate

key

sonar

highly

Under

display

words,

quickly

averages

first turned

by

pressing

RANGE section at

Then

press

in the

displays.

of the

on or off. Wait sev-

the menu to

or

the AUTO

press

selection.

digital

When the

dis-

digital

both

section at

the

press

appears.

the ALARM

off or on.

your

AVERAGE

used in

sensitive de-

of the

most condi-

changes

appears

the

display

that it

can be

actual bot-

this condi-

the bot-

narrow

To turn it

keyboard

para-

the result.

on, off,

both

the

or

up

RANGE

to

disap-

to acti-

key

up

to

Eagle Z 7200 INSTALLATION AND OPERATION INSTRUCTIONS

Specifications and Main Features

Frequently Asked Questions

User Manual