Eagle Z-15 INSTALLATION INSTRUCTIONS

—

paper transport assembly see the decal for the first time.

'UI

Figure

END-OF-PAPER MARKER

has a red line

tom of there is

end of the

20

The

graph paper

the

only

in the Z-15

to

signify

at the bot-

printed

paper

2 to 3 feet before the

paper.

when

Push the

on the unit.

hands and

present.)

Insert a 6"-S"

with a 1/s" blade into the zero ad-

just

transport

(Caution — Keep

from the

away

stylus. High voltage

hole and rotate the control on

the circuit board until the zero line is at the desired

This

may

also be

the unit turned OFF.

control, driver and turn

Repeat

the desired

then remove the screw-

until the zero line is in

position.)

closed and turn

long

position. (Note:

adjusted

power

IV HOW TO READ

ZERO ADJUST

Occasionally,

the

stylus

line does not

near the

place

paper.

Figure

21

A zero

placed

the Z-15 near the

hand corner so that the zero line's position may

the

on the back inside wall of

paper.

the case front and look

Open

or

stylus

print

adjust

be

when

changing

the zero

belt,

at the same

of the chart

top

control has been

left

upper

adjusted

on

"Arched

A

Signatures"

remarkable

advantage

Z-15 is that it can record indi-

vidual fish with a characteristic arched mark

from their

that

separates

stationary surroundings.

The reason for this is shown be-

low. The distance to a fish when it moves into the sonar's cone of sound is shown as 'A".

When the fish has moved to

the center of the

tance to it will be

and as it moves out of the

"B"),

the distance will increase

cone,

as shown in line "C".

again

cone,

shorter, (line

for the decal marked "ZERO AD-

JUST". You

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

may

have to

pull

the

10

down to

belt

stylus

is

screwdriver

with

Adjust

the

back ON.

GRAPHS

of the

them

the dis-

—

10

—

20

—

30

—

40

—

50

—

60

Figure

the time on

curves

vice-versa)

ducer is not

If

the

until the fish show the distinctive arched some trial and error until the cor-

rect

will occur most often when the Sensitivity

point,

22

If a

partial

up,

transducer is

your

transom,

signature.

mounting

Sharp,

or

higher. Remember,

arch occurs most of

your unit, (the

but not back

it

is because the trans-

pointed straight

the transducer

adjust

This

mark

down,

mounted on

may

is achieved.

well defined

signatures

knob is set at the ¾

or

down.

take

that

there must be some movement

between the boat and the fish to develop

this means

speeds

gear

THERMOCLINES lake is seldom constant from

to bottom.

peratures

a

called a thermocline. The

the arched mark.

trolling

with the main

at minimum throttle

The

temperature

Layers

and the

warm and cool

form,

very

engine

setting.

Usually

slow

in

at

of water in the

top

of different tem-

junction

of water

layer

depth

and thickness of the thermocline can

of

be two or

depths.

ant to the fisherman because

with the season or time

vary

In

day.

Thermoclines are

deep

more,

lakes there

at different

may

import-

they

are areas where fish

times bait fish will be above

Many

thermocline

the

fish

suspend just

Your

Eagle

tect this invisible

but the

water, probably

point,

PAPER LOADING CAUTION

have to be set at the 1/a

or

higher.

while

below it.

Z-15 can

layer

Sensitivity

—

High voltage

sent in the electronic section

when the unit is turned on.

1. TURN THE UNIT OFF.

2. Release both catches on the

of the case. Pull

top

is

of

11

down on the

front to

sembly. (See Figure 23.)

3. Move the to

position

on the back side of the

ten. NEVER move the belt

—

the

damaged. (See Figure24.)

SPECIAL

be

may

assembly

less the

moved to the back side of the platen.

top

expose

stylus

the

stylus may

NOTE: The

damaged

is

pulled

stylus

are active.

larger game

de-

in the

knob wifl

is

pre-

out and

the

of

case

the

platen

belt

marking stylus

be

if the

as-

DOWN,

pla-

up

stylus

platen

down un-

has been

LIO.._.____.._...__..____

..__._____LjQ._

MARKER

An event marker function is in-

-— -_..

9L

---——--—---'IE

—-—-52—

s-

—

from the

any-

Representative

are shown

The current

on the

is first turned

on, press

21

'ID

bU

paper

change

printed

turn

to

key.

i-I 0

on

the

To

the

cluded in the Z-15 so that events

be marked when desired. To

may

-

use the

MARK

be

page.

and a vertical line will be

for as

down. Example:

Result:

-

—-'ID——-——

—

Figure

SCALE

marker, simply press

and a vertical line will

key

displayed

Hold the MARK

long

Press: MARK

12

21

1U - D—I-—

across the entire

as the

—--- —— — -——-

-—

— __________

-

L'---

19

key

is held

The numbers that indicate the

or scale

depth

desired. once will scale

displayed

SCALE

displayed

Pressing

stop

numbers. The scale

again by pressing

key.

Remember,

at

any

be deleted if

may

the SCALE

the

printing

the scale

time

by pressing

either the UPPER LIMIT or the

LOWER LIMIT

Example:

Press: SCALE

Result:

key.

(See Figure2O)

down

printed

--

of the

may

the

12-—-

21

Sb--—

hO

key

the

be•

-.

be

Figure

23

26

Figure

4.

24

Pull out and down on the tab

at the

assembly

center of the

top

to

expose

per spools. (See Figure 25.)

5. To remove the full

and the press

gether

assembly,

down

empty

the two

on the

and

on the

metal tabs to-

top

paper

(See Figure 26.)

roll can now be

up moved from

shafts.

6. Pull the from the

the

(See

Figure 27.)

empty supply

side in

right

same manner Install

the

empty take-up Align

core

shaft.

(See Figure 28.)

the two notches in the

core with the tabs on the

lower

take-up spool.

7. Slide a fresh roll of

position

shaft on the

platen assembly.

must

the roll.

NOTE: Use

chart

12

on the

right

off the

spool

(See Figure 29.)

Eagle

paper

platen

the

pa-

take-up

supply spool,

of the

platen

out and

pull

retainer.

The full take-

easilly

paper

onto the

paper

supply

side of the

The

bottom of

re-

core

the

in

side

paper

EGP-2

roll

9LJ

—

—-—-U bO—D—I---——--D

Figure

tions to show

-- ——

'ID

-- —

52

17

segments

surface to the bottom and where inbetween.

samples

in the back of this manual.

settings

either the UPPER LIMIT or LOWER LIMIT

range

immediately.

the

LINES

When the

on, depth

the

Lines

turn the

LINES Example:

-

Result:

0-I 0

Figure

of chart

If

wish to

you

at

any time, simply press

will be

This will not

depth setting.

lines will be

paper

Press:

If

you

off, press

lines

key

again.

Turn lines off:

LINES

18

display your depth

keys.

printed

Z-15

desire

the LINES

back

key

paper

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- — -—-- -—--- ------

U inn u—i

Figure

Example: Change range

The

22

'10

00

Figure

(10, used as a lower limit

the bottom of the chart

Example: Change range

13

feet.

depth

-

U—I U

- 0 -

will then be

Press: 8

lb

-— —————-———--

14

Any depth

in a

20, 30, 500,

LOWER LIMIT

displayed.

—

---——-

-

multiple

etc.) may

displayed

MR

to 0-80

lb

—22

-

90

EM

-Un

of ten

be

paper.

to 0-150

-

--

-- — -

-

Figure

pand displayed

-JO

hi]

'50

-

-—-——

fl—I

--

—-—-----—-

— ——

I:

15

a section of the area that is

on the

graph

show more detail. This is made possible by

segments

by using

tion.

allows

range

of the chart

Example:

the Z-15 to show

of the underwater world

the UPPER LIMIT func-

the UPPER LIMIT

Using

to

you

in

display any

multiples

of 10 at the

paper.

Turn on unit and set

to 20-60 feet.

range

Press: 2- 0- UPPER LIMIT

at

The

ado

-

20---—--—

Rb

99--

—

—- -

52

will then be

depth

— —

- - -- -

-- —

90--

120—

'SI]—

recorder to

key

depth

top

displayed.

22

20-----—-

Rb

'I'!

52

-—

8. Draw the end of the

across the face of the around the friction

the

take-up

sciuarely

(See

of

tape may

the

housing

Close the

core,

to the

Figure 30.)

be stored inside

for this

top

assembly by pressing

tabs

together

retainer and

on the

returning

tainer back to the

position. (See Figure 31.)

Turn the small knob at the

9.

left hand side of the

upper

assembly

platen small amount of tension

the

paper.

against

10. Push the

back to its Be sure it

inside the

11. Close the front of the case.

It should be

the

platen. (Figure 32.)

platen assembly

operating position.

engages

top

Latch both catches on the

of the case.

12. Turn the unit on. Move the

Chart

Speed

wise. Watch the

enough

ing smoothly

across the

flutters or

per "uphill", repeat step

knob

to be sure it is mov-

and

platen.

paper

platen,

roller,

and

tape

take-up

Small

core.

pieces

purpose.

of the

platen

the two

paper

the re-

operating

a

to

put

snug

the catch

of the case.

clock-

fully

paper long

evenly

If the

begins

to

8.

over

it

on

top

pa-

run

feet.

Press: 1

The

(See Figure

Note that the

slows setting.

UPPER LIMIT

Many

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-

5-0- LOWER LIMIT

will then be

depth

displayed:

15.)

paper speed

automatically

at this

times it is desirable to ex-

range

Figure

16

Example:

Press: 4

The

range

(See

Figure 17.)

The

Upper

can be used in

8

--—--—

U

-

Set

- 0 -

will then be

to 40-60 feet.

range

UPPER LIMIT

displayed:

and Lower Limits

various combina-

hO- P—I

13

STYLUS REPLACEMENT

CAUTION

sent in the

when

1.

TURN

—

High voltage

electronic section

the unit is turned on.

THE

UNIT OFF. This will

is

pre-

2. Release both catches on the

of the case. Pull out and

top

down on the

front to

expose

top

of the

the

stylus

case

belt.

(See Figure 25.)

3. The wheels located at the

edge Move the front of the belt

DOWN to

the center of the

4. Hold the with one the old

left

edge

from under the tabs on the

lus holder. The chart

5. Before

be sure it is bent

lus,

by comparing

6. Refer to

the new

correctly holder. Be sure it moves

in the two slots. If

the

stylus away

it is

rubbing

move

7. After

won't the

paper

ure

35,bend

so that more erted steel

print

down more

leg that it

8. Close the front

Latch both catches on the

belt rides over two

stylus

of the

platen assembly.

position

stylus

finger,

the

platen.

belt

stationary

and remove

stylus by starting

and

moving

installing

Figure

stylus

the new

it to

Figure

34to be sure

is

positioned

under the tabs on the

not,

from the

on until it does

freely.

installing,

print

if the

all the

way

as shown in

the

right leg

pressure

against

plate.

all the

digs

the stainless

If it

still does not

bend the left

way,

(but

into the

paper).

not so far

of the case.

right

stylus

at its

it

out

sty-

properly

33.

freely

bend

edge

stylus

down

Fig-

down

is ex-

top

at

of the case.

er fish arches at low

keeps high speed being compressed. speed

when pearing

microcomputer

slow the maximum chart

deep the

points

,

speed

RANGE PAPER SPEED

10,-hO' Fastest

120'-490' Medium Fast

500'-790' Medium Slow 800' & Below Slowest

even further per speed

gaps paper speed

record is achieved. The

speed may

not

looking

conserve

tion about Alternate Transmit and Print func- tion in the Advanced

section.

GRAYLINE

The GRAYLINE

used to outline

'

which

beneath trees and also

of the bottom. A hard bottom

turns a

a wide

weedy signal

narrow

speeds

information from

The

should be turned down

the unit in

using

prevent gaps

in the record. In

will

when

paper

water. The chart below

paper

deep

from

fact,

automatically

speed

operating

where the maximum

of the

paper

control.

in

the record

by adjusting

is slowed.

paper

Paper

Speed

Paper Speed Paper Speed

Paper

Speed

be slowed

may

the

Remember, appear,

down until a solid

paper

also be slowed when

for fish or to

paper.

For more informa-

saving paper,

CONTROL

simply

read the

Operation

function can be

the bottom contour

might

give

otherwise

clues to

be hidden

brush;

the

composition

very strong signal

gray

line. A

soft, muddy

bottom returns a weaker

which is

gray

emphasized

line. Do not advance

and

water.

ap-

the

of the

in

gives

pa-

if

turn the

it can

re-

causing

or

with a

black,

12

or it will

which makes

gray

to see.

At

the control too far line on the

showing

the

target

target completely,

no

difficult

/,

r

p —

I

Figure

11 GRAYLINE "OFF"

...t '1

The

12

function utilizes the

range

to select

Figure

RANGE

keyboard

tween 0-10' and 2540'-2550'.

Please read this section

to

the most out of

get

range capabilities.

Lower Limit

When

Z-15,

first turn on the

ybu

the

range

(See Figurela.)

To

change

simply press the

keyboard,

LOWER

to a

the desired

LIMIT

GRAYLINE "ON"

any range

carefully

your

will be 0-60 feet.

deeper range,

depth

and then

key..

press

Z-15's

I'

,,,.

i

bD

be-

on

the

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14 7

unwanted noise marks. Most

ratic,

of the time at low or

speeds, necessary.

no

suppression

trolling

will be

Figure

33

Figure

34

ILl

29

7

Figure

9 SUPPRESSION:

TOO

HIGH

Figure

l pr

with

the

as

Minimum

Paper

U

Figure Paper Speed

the chart

graphs, depths,

trol when

Speed

10 PROPER SETTiNG

Control

This knob

paper.

adjusts

For

to

good

in shallow to medium

turn the

to at least the 3/4

up

trolling.

paper speed

This will show

Maximum

Paper Speed

Mm

Per

0.75 13.3

speed

detailed

position

Hours

Per Roll

7.14

13.3

of

con-

prop-

Figure

STYLUS BELT REPLACEMENT CAUTION

35

—

High voltage

is

pre-

sent in the electronic section

when the unit is turned on.

1. TURN THE UNIT OFF

2. Release both catches on the

of the case. Pull out and

top down on the

front and the

the

stylus

3. The

stylus

wheels located at the

of the

edge

Refer to

Move the front of the belt DOWN to

Figurel

the center of the

4.

the belt at the

Grasp

holder with the thumb

forefinger

and

of the case

top

platen

belt.

belt rides over two

platen assembly.

position

on

the

platen.

move

to

expose

right

page

stylus

and

it

gently

2. at

to the left

while

belt off the wheels with the other

forefinger.

36.)

Figure

5. Position the new belt on the

15

pushing

(See

the

10

Figure

sensitivity

sive with

8

in

This

patented design

Eagle.

any way.

is exclu-

However,

high suppression settings,

record becomes coarse and

graph

the the bottom or

be

decreased.

9

&1O.) Therefore,

suppression setting,

Advance the knob

far as

ability

necessary

to

separate

fish from

from other fish will

(See

Figure

the lower the

the better.

setting only

to remove the er-

APPROXIMATE PAPER SPEED

Without Alternate Transmit and Print

LOWER

LIMIT

RANGE

(feet)

10-120

130-510

520-830 0.15 66

Below 840 0.15 66 0.75

Inches Hours Inches

Per Mm Per Roll

1.0 10 2.35 4.25

0.5 20 1.4

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wheels

dure

one. BE

the new

6. Close

Latch both

by reversing

used to remove the old

SURE the

stylus

the front of the case.

catches at the

are

the

proce-

fingers

pointed

of

UP

top

of the unit.

MAINTENANCE NOTE: The

damaged

ten when the

stylus may

if it is in front of the

platen assembly

pulled down...Always

to the back side of the

stylus ten when

changing

be

move the

the

paper

pla-

is

pla-

rolls. Remember to move the belt

down to remove the

stylus.

Black carbon dust is created dur-

the

ing soft, viewing

hind the compressed

recording process.

oil-free

door and metal

paper.

to clean the

rag

Low

air

may

Use a

platen

pressure

be used to

be-

blow dust out of the case and

from

away

is

and free of oil.

dry

moving parts

if the air

All mechanical connections

should be checked

be sure

loose.

HIGH

they

VOLTAGE is

periodically

haven't worked

present

transmitter section when the unit

is ON. No

made

by any

son to

modify

attempt

should be

unauthorized

or

repair

the elec-

tronic section.

All electrical

be

checked

cleaned as

The face of the

connections should

periodically

necessary.

transducer,

and

mounted on the transom should

be washed

soapy

periodically

water to remove

cumulated rod

grime

with mild

any

or

oily

This is essential to have contact between the transducer

to

in the

per-

if

ac-

film.

good

16

the water.

and

DO SECTION Do

carry a spare

and roll of

paper.

Do use the

from the last roll of

empty

fuse,

stylus

belt,

cardboard core

on the

paper

take-up post.

Do

the recorded

keep

graphs

for

future reference.

Do clean the

and the rubber roller after

five rolls of

paper.

stylus

belt, wheels,

every

DON'T SECTION DON'T OPEN THE CASE WHEN

THE UNIT

Don't

down

front.

Don't store

case or behind the

dow. tape.)

Don't

the

take-up

Don't rotate the Don't use

vents,

TROUBLESHOOTING SECTION

IS ON.

the

pull when the

any objects

(Except

forget

for small

to

core.

oily

or abrasive

platen assembly

is at the

stylus

inside the

viewing

the

tape

stylus

cloths, strong

cleansers.

win-

pieces

paper

belt

up:

sol-

of

to

Symptom On/Off switch is

and

stylus What To

Check

battery

corrosion.

paper

Do

check connections at

fuse;

for

tightness

"ON",

don't

and

but the

move.

Symptom

On/Off switch is

but no echoes or bottom

mark,

signal.

"ON",

have zero

What To Do

Be sure the transducer is

plugged

/

OFP

::n1v1Tv

ann

nun

ann

DOS

Figure

are

will

caused flecting

water,

bottom and back. brush

Figure

SENSITIVITY:

4

When

high Sensitivity settings

a second bottom echo

used, appear.

If detailed information about

This is normal and is

the

by

returning signal

off the surface of the

making

piles,

a second

individual

fish,

5

PROPER SETTING

I

trip

re-

to the

or the

thermocline is

knob should

sitivity approximately

desired, the ¾

the Sen-

be rotated to

Refer

point.

to the illustration below to see

Figure

6

2

'

.

a.

.

A

SENSITIVITY: TOO LOW

what effect the

setting information.

accomplished

has on the recorded

Recording

'arched"

with the

or

point,

tion "Arched

information about this function of

Suppression

The

Suppression

used to reduce interference from noise.

Noise,

is

undesired

any

caused

(such

tem)

by

as the

or

by

Sensitivity

individual fish with an

signature

at

trolling speed

Sensitivity

higher.

your

knob at the ¾

Refer to the sec-

Signatures"

recorder.

Control

in electronic

signal.

an electrical

engine's ignition

air bubbles in

control

can

usually

for more

important

Control is

terms,

It can be

source,

disturbed

sys-

water which is call cavitation. In

both

cases,

duce unwanted marks on the paper. (See Figures

Fortunately,

tively

real sonar Suppression

system

short

5

the noise could

noise

short in.time

signals. Advancing

knob will cause the

to

pulses

reject

without

these

7

&

8.)

pulses

are rela-

compared

unwanted,

reducing

pro-

to

be

the

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TRANSDUCER SELECTION

Eagle

offers

the choice

you

of transducers with either an B de-

or 20

gree will

interchange

192 kHz sonar units. In other

words,

degree

any

ment can be used with

transducer of the same

Eagle frequency

kind,

However, manufacturer's transducer will re-

sult in

Now

ducer

best

erally,

ers

for

operating

at medium cone

without

and no loss of

the use of

a loss of

can select the trans-

you

design

fit

your specific

wide cone

(20

degree)

depths.

allows

angle

more of the underwater world. In

15 feet of

cone

angle

water,

allows

area of the bottom that's

mately

degree

about a 2 foot circle.

Figure

line

bin 2' 51 I

1220

6 feet across. The 8

transducer covers

3

Cone

Angle

ClameIer

, . I

04 22

I

2' II

I

cone

with

Eagle

performance.

and cone

angle

are

in shallow water or

the 20

angle

of

our

any

sonar instru-

any

retuning

ideally

The 20

you

of

performance.

other

any

angle

needs. Gen-

transduc-

suited

degree

to see

degree

to see an

approxi-

only

•8°at3db

that

any

to

50'

loo,

200

Thus, you

transducer when

gree

fish or drop-offs,

around However,

ducer depths

transducer, sharp drop-off

water environment

deeper)

more

desirable because it can

more

accurately

tion of the fish or

deeper

energy smaller

would use a 20 de-

looking

structure,

you.

the 20

won't

to

not

just

degree

easily

below

to

and to see fish that are

. .

penetrate

as well as the 8

nor will it show a

as well. In a

the narrow cone

(100

detect

the loca-

water. Since the

drop-off

is concentrated in a

it can

area,

reach to

deeper depths.

Both the 8

degree accurate bottom

though

degree

Lowrance transducers

the bottom

wider on the 20

cause bottom.

edge

true tells

bottom,

a

soft or hard

Ill

BASIC OPERATION

On-Off and

Rotate the

clockwise to turn the unit

Sensitivity

are

you

Remember,

of the

signal

depth. you

The rest of the

the

composition

i.e. whether

bottom,

Sensitivity

knob works much

readings,

signal

degree

seeing

the shallow

shows

you

and the 20

more of the

etc.

Control

the volume control on a

weaker

is,

with

When

when

information is

signals

higher settings

cruising,

just simple

sitivity setting water or over

toms, (which echos),

be

the

higher.

setting

will be

of the knob.

or at other

bottom contour

desired,

the Sen-

can be low. In

soft,

muddy

produce

weak

will have to

for

find

you.

trans-

greater

degree

deep-

feet or

is

angle

in

sound

give

even

is much

model be-

the

you

signal

of the

are over

—

knob

on. The

like

that

radio,

detected

times

deep

bot-

into

the unit and the transducer is

in

contact with the water.

Symptom

The unit is

"ON",

but

not move.

What

To Do

Tape paper

to cardboard

take-up post. Symptom

Recorder marks

are faint or dim.

What To Do

Clean stylus;

viewing

check

door;

battery

replace

connections.

Symptom

Recorded

paper

marks are

is torn

very heavy;

by stylus.

What To Do

Bend the pressure

VI

ADVANCED OPERATION

Surface

The surface

of the chart

extend

face. This

signals called

caused bubbles caused

boat

-

Figure

stylus

on

Clarity

slightly

paper.

Control

markings

paper can,

feet below the sur-

many

often interferes with fish

or

other

Surface Clutter and is

by

wakes,

12----

--..-.__—,——..

—2 L!

targets.

and

algae

bait

-----——-—.—-.——.-

plankton,

wave action or

by

or

fish,

37

does

paper

spool

the

to reduce

(SCC)

at the

at

times,

This is

tempera-

-

29———-—-

'lB

SCC "2"

.

ture inversions.

The surface clutter

can be reduced or eliminated

the MARK/SCC

using

on the front

To use the

thru 4 and then

on

key. surface

imum effect clutter. 2 and 3 effects. used is the

SCC is

Two

1 has a

chart

levels, S-2,

panel keyboard.

5CC, press

minimum effect on

clutter,

4 has the max-

on

The amount of SCC that is

printed

paper.

then S-i is

used,

The effect on surface clutter

should only

to

nals can be eliminated

this

function 0-MARKISCC and the SCC

top

function will be disabled.

Example:

air

Result: (See Figure

- -

Th-

immediately

the amount of SCC

reduce the

method,

If

you

Press:

clutter,

also.

wish to turn

OFF,

simply press

ENTER A SCC LEVEL OF 2.

-

2

SCC

37.

markings

by

control

key

1

the MARK/SCC

reducing

surface

have intermediate

at the bottom of

If one level of

etc.

printed.

be seen.

required

as fish

by

using

the SCC

Use

sig-

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

4

17

the short

Feet. Fathoms,

The Z-15

in

feet, fathoms,

though

the unit the feet mode turned

any the 2nd

2nd

off,

mode

key

-

2 for

3 for meters.

When the unit is in the Feet

mode, played.

L L's

Il L U

meters mode. Example:

Result:.

only

In the Fathom

will be

's

Press: 2nd

Meters

will

display

or meters. Al-

will revert back to

whenever

it is

simple

wish

you

and then 1 for

fathoms,

one I.!

will be

Display

by pressing

and 2nd

will

displayed.

displayed

Fathoms

-

2

the

power

to

change

be dis-

mode,

Three

depth

feet,

-

two

in the

long pulses, will be cancelled

desired information structure,

is

Of

course,

to

length

at the same time so that the re-

turn echoes would be the receiver.

This is

suppression system

The transmitter's

increased

pression

tracks"

pulse

narrow noise

ing only

fish or the

ceiver at all

by

The

system

to

separate targets,

when the

creased. A 200

2 transmitter

the Z-15 when

u turned

display

ml

Figure

L's,

display i.e., Feet-,

Transmit

in

length circuit,

used on all the able

graphs.

38

looking

By

can determine the

one

mode that the unit is

Fathoms-,

Pulse Width

The noise

the

Z-15

discrimination

is the same as the one

and

supr5ression

Basically,

principle are of

that most noise

relatively

the receiver

that it will

justed

so

at the number of

depth

Meters.

suppression system

is a

patented pulse

suppression

Eagle's

flashers and

it works

short duration.

circuit can be

accept only

in,

vari-

on the

pulses

If

ad-

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

6 inches

only words,

apart

paper, they separate

mitter is

pulse length. the transmitter's

400

p-s, (by rotating

sor control

two fish arches

and show

even a "blob" on the

sibly

With a 400

width, have to be at least

apart two

separate

This is

18

then

and

out,

will be

çtc.)

transmitter's

the

would have

the front

by

what the

exactly

control,

to be increased

pulse

and the receiver

only

bottom,

(fish,

displayed.

accepted by

Eagle

does.

length

panel sup-

the amount of increased

length, cancelling

pulses,

the return

bottom,

sensitivity

this

only disadvantage

is

resolution,

is not diminished

process.)

out

and

echoes from

etc.

display-

(Note:

to this

or the

is diminished

pulse length

pulse

will allow the unit to

on,

two fish or

apart.

is in-

p-s (micro-second)

power

length

targets

used on

is first

that are

In other

if two fish that are 6

are

displayed

will show

arches when the

operating

clockwise)

up

those same two fish

before

why

they

it is

on the

as two

up

with a 200

if we increase

Now,

pulse length

the

Suppres-

those

will blend

together

as one fish or

transmit

p-s

pulse

12 inches

will show

arches on

important

the

to leave

pulses

the

pulse

is

any

Re-

ability

inches

graph

trans-

j.is

to

same

pos-

paper.

will

as

up

graph.

the section entitled Advanced

eration". This several other features that will en- able the serious

chapter

will describe

operator

to

Op-

get

the maximum benefit from this

equipment.

We

urge you

ual

thoroughly yourself though

unit,

the

and the front Should

just

with the controls.

this is

it is

power

you require

have a

our Customer Service toll free

homa 1-918-266-5373.)

closed list for a service

your

happy

II

Mounting stalled in

provided

1-800-331-2301.

residents

area. A

to

INSTALLATION

The

depth

the best the bracket base

screw or bolt

stiffener back of thin

support

If the desired

18" to a

than

run should be made with

a trial the unit

Figure

2

to read this man-

and familiarize

Al-

a

easy

the

of

panel

question, please

advanced

very

to

thanks to

use,

micro-computer

controls.

extra

help,

Department

call collect

call

(Okla-

-

or Check the en-

center in

representative

help you.

—

sounder

convenient

any

the unit can be tilted for

viewing

angle.

allow wood

mounting.

be

may

required

fiberglass panels

the unit.

location is closer

magnetic compass,

in

operation

will be

be in-

may

area,

Holes in

A wood

on the

to

to be sure

or

the

that

not affected.

Power Connections

depth

by

tem.

tached to an buss,

with

compass

Twelve

volt DC

sounder should be

the boat's 12

The

power

but if

electrical

cable should

to the

battery.

If a

longer

ordinary

at

ply

dered, however, then use

all

#18

hardware or

any

store.

splices

Splices

crimp-type

with electrical

readings

—

power

volt

cable

accessory

have

you

interference,

be attached

cable is

cord available

lamp

electrical

should be

if this

An in-line fuse holder with

is

supplied

with the Z-15. Be cer-

are

the

for

supplied

electrical

may

problems

required,

be at-

or

power

the

directly

sys-

sup-

sol-

isn't

done,

splices. Tape

tape.

fuse

tain to install this as close to the

source

power battery

sible. sonar unit and the

or

power buss)

This will

(such

protect

power

as the

the event a short occurs.

connectors

the fuse

cable. The red

cable is

black wire is the

The

negative

The

cidental

damage

reversed. The unit will not until the

Ground

(Negative)

are

supplied

holder to the

wire in the

the

positive

conductor.

is

graph

polarity

will occur if the wires are

proper polarity

protected

reversals and no

boat

as

pos-

both the

cable

Crimp

to attach

power

conductor.

ground

or

from ac-

operate

is

applied.

3

use

in

1. INTRODUCTION

The

sophisticated recording depth sounder. Thanks to a micro-com-

the Z-15 can do more than

puter,

other sonar unit in its

any

range plus many more, Thanks to a

board,

at

changing

tom boat unit's

upper

full control of the

your fingertips

conditions,

speed.

sensitivity, suppression level,

and lower

per speed, GRAYLINE, more features. The

Eagle

variable

system

Discrimination feature not ters out false

torting

synchronized

the real

function to

Z-15 is a

Eagle

highly

that cost much

waterproof key-

system

to meet the

demands of

You can select the

combined with the

signals

ones,

with the GRAYLINE

provide

varying

water

depth,

depth range, pa-

and

patented

suppression

without dis-

but is

clear

signals

price

and

many

new

only

bot-

fil-

under all conditions.

2. HOW IT WORKS

When the unit is turned

electronically regulated

drives a the

right edge

The

per.

belt.

When the

of the

paper

lightweight

stylus

a small mark is

belt

of

the

recording pa-

is attached to this

is at the

stylus

an

on,

motor

located at

top

made. This is called the zero

and

mark,

represents

of the water. The

Figure

1

GRAPH

PAPER

the

stylus

surface

continues

PAPER

TRAVEL

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

to move down the

while the sound

paper

traveling through

when an echo is

the

detected,

lus makes another mark on the

paper.

The

depth

of the

which reflected the echo can be

is

read in feet tion on the

scale

The

a variable

by

by comparing

paper

printed

on the

paper speed

speed

to the

one revolution of the

narrow mark will be made

very the flexible

will move a small amount before

stylus,

the next revolution. Each mark will

blend into the one before so that a composite "picture'

will be

made,

one

a time.

Due to the

this unit

operation

The first section is entitled

parts.

"Basic

everything necessary

wide

variety

how to use the basic controls

you

-

Sensitivity, Suppression, Paper

Speed,

few

special

will be tions.

However,

mastered the basic

the

Z-15,

some of the features described in

f

%,ir_!.[

r

many

this manual has the

has,

section

Operation"

that is

split

absolutely

to use the

of situations. It will tell

GRAYLINE,

functions. This section

adequate

for most situa-

once

you may

I

DRIVE

I

BELT

j5TYLU5

(LE,PuLLEV

2

of the

edge

pulse

and

water,

the

object

its loca-

depth

paper.

is

controlled

motor.

but the

of the

tiny

stylus

paper

target

mark at

During

belt,

features that

into two

and covers

in a

Z-15

Range, plus

have

you

operation

wish to

try

is

sty-

a

by

a

of

the

Suppressor

down to minimum when

for fish,

However,

to have

resolution is not a concern. When

using easier for the unit to detect a

er

bottom or from fish. This is called

longer pulse

a sonar in

pulse coming

'Probability The

probability

able to detect an echo

from

deep

cause the further the sound

has to

comes. length,

travel,

By broadening

in

is transmitted and it is easier for

the receiver to detect it.

For this

in the Z-15

puter

increases

the unit as

set

the

by

pulse length

the unit when the trol is turned to

LOWER

LIMIT (feet)

10

20 30 40-200

From 210 feet to 600

initial

pulse length

same rate as the

ample,

to 260

with the LOWER LIMIT set

feet,

pulse length the LOWER LIMIT is set to 390

the initial transmit

feet, would

be 390

600 feet and

control turned

looking

it is

helpful

deeper

sometimes

width when

it is

water,

long-

back from the

of Echo Detection".

of the unit

water is diminished be-

the weaker it be-

essence, a larger signal

reason,

the

deeper

opQrator. (Note:

the micro-com-

automatically

initial

lower limits are

is the

pulse length

Suppressor

minimum.)

(micro-seconds)

increases at the

depth.

the initial transmit

would

ps. Finally,

below,

being

returning

pulse

the

pulse

pulse length

Initial

con-

INITIAL

TRANSMIT

PULSE

WIDTH

110

130 160 200

the

feet,

For ex-

be 260 is. If

pulse

from

the initial

of

pulse length

micro-seconds.

The transmit

remains at 600

pulse length

be increased from the initial at

time

any

pressor maximum amount of

by rotating

control clockwise. The

the

pulse length

added to the initial transmitter pulse length

micro-seconds. In

the LOWER

and the

feet, rotated to the maximum

the transmitter

is

approximately

other

LIMIT is set to 420

Suppressor

pulse

length

be 1220 micro-seconds.

initial + 800

Earlier,

tionship target separation.

increases, target resolution is

the

pulse

of

olution becomes much better.

The Z-15

advantage possible

transmitter

from

what the

selects

Limit.

The ihitial

can

length

200Q s

board. mitter

three inch resolution is

By setting

pulse

50 is is

a

and 30

half,

pulse length resolution! No

corder in the market

give you

the initial the

suppressor

used

to cancel out noise

creasing Discrimination function described

below can be used to eliminate noise and

19

=

1220.)

we talked

between

degraded. However,

width

of this fact

to

override the initial

pulse length setting

according

transmitter

about the rela-

pulse

As

pulse length

separation

is

decreased,

allows

you

by making

micro-computer

to the Lower

be set from 30

by entering

it on the

the initial trans-

width to 100

obtained,

equivalent

to an inch and

is initial transmit

is

other

this feature. After

transmitter

the

pulse length

have

still

to one inch

equal

graph

today pulse length,

control can still be

good

pulse

can

point

Sup-

800

words,

control is

position,

would

(420

length

or

res-

to take

to

ps

key-

a

ps,

re-

can

setting

in-

by

or the

if

and

if

it

resolution.

For

example,

transmitter selected,

control is rotated transmitter

850

jis. Returning

control to minimum will restore the

unit to a 50

length.

The Z-15

transmitter

tom of the ride the

distinguish

pulse

printed will

to 100

initial played

micro-computer.

from the other

on the

P-100

print

micro-seconds.)

pulse length

as P-SO.

To set the initial

pulse length, simply press

keyboard desired and then

PULSE

key.

the initial transmit

150

micro-seconds, press

-

PULSE. This will

micro-computer's

set the initial

to 150 micro-seconds.

length

P-iso will be

of the

paper

has been confirmed.

try

When an initial transmit

is

length

set,

fixed for all

changed.)

To return control back

micro-computer,

and the

the initial

Example:

Result:

micro-computer

pulse length.

Press: 1

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

if a 50

pulse length

and the

pulse length

paper

Suppressor

to

pulse length

the

transmitter

lA5

will

display

when

initial

lAs

is

maximum,

would be

Suppressor

pulse

the initial

at the bot-

over-

you

To

the initial transmitter

information

paper,

the

(if

pulse

A 50

would be dis-

transmitter

graph

is set

ts

on the

the initial

For

to

depth

pulse length

press

example,

pulse length

override the

selection and

transmitter

printed

this

at the bottom

signify

length

settings

that the en-

the

to

1

pulse

(Note:

pulse

will

until

set

- 5 -

be

to the

-

0

press

PULSE

will select

Set the initial transmit pulse length

micro-seconds.

- 0 -

0- PULSE

to 100

the

—--—-——ab

Figure

-———-—--———---—3b—

b0 PIUU——L'-— hO-——

39

Discrimination

Noise

pulses

complaint about

sonar units. Lowrance has

had the system quite

from the Pulse

to the it

length

patented

for

effective at

display. (See

Width.) Suppression system

increases the transmitter's

which decreases resolution

and causes

to

together

0

instead of two distinct installed in the Z-15's

micro-processor process

ceiver, are noise and eliminate

then echoes.

ted

increased, high

munity

to

Discrimination is a

the

determine which

print only

this

Using

pulse

resolution and

can be achieved.

(The Suppressor

are

the

most often received

Suppression

many years

eliminating

The

only

targets

merge

that are close

into one

that enables it to

output

from the re-

the

legitimate

concept,

does not have to be

therefore records with

high

Control

be used with the Discrimination to

cancel OUT

noise whenever not

required.)

heavy

high

interference or

There are four levels of Dis-

crimination that can be used. The lowest value

is the weakest

(1)

20.

largest

which is

noise

Transmit

drawback

is that

pulse

"blob"

images.

program

signals

them,

the transmit-

noise im-

may

resolution is

SPECIFICATIONS

—

Z-15

Depth Ranges:

Feet, fathoms,

Operating

192 kHz

Frequency:

second);

percent.

Pulse

Length:

(duration

meters.

(192,000 cycles per

accuracy

of

is within 0.6

pulse): 200-l000gs

(30-2000ps programable)

Operating Voltage:

Minimum: 10 volts DC Maximum: 15 volts

Operating

0.7 to 1.8

printing power.

Output

1600 wafts

(200

Weight:

8.5 lb.

Dimension:

Current:

amps depending

density

Power:

typical

wafts

AMS)

(3.9 Kg)

DC

and

output

peak-to-peak.

With Gimbal Mount:

-

Width

Height Depth

Instrument Width

Height

Depth

NOTICE

Periodically

ducer Face

remove

to

121/4"

-

8%"

-

51/4"

Only:

-

9½"

-

71/2"

-

5¼"

wash the Trans-

with

oil film that

any

soap

and water

may

collect OH and dirt on the face

on

will reduce

sensitivity

or

may

even

prevent sounding.

GOT A PROBLEM? LET US

HELP!

If

have a

you

sonar

unit, please

chance to

for

repair.

Assistance can often be ex-

tended

by telephone

help

problem before

give

or letter.

with

your

us a

sending

it in

Write or call one of our Authorized

Service Centers or the

Electronics, Inc.,

vice

Department (Toll-free

1-800-331-2301).

Please detail the

are

experiencing.

partment

the

inconvenience of

unit

your

be able to save

may

If it is determined that

must be

structions will be

SCHEMATIC DIAGRAM AND PARTS LIST

Diagram Eagle Computer Graph,

$1.00 Eagle

Catoosa, give

Serial Number of INSTRUMENT

1

returned,

Should

you

and Parts list for

to PARTS

Electronics,

OK 74015. Be sure to

us the Model

desire a Schematic

LIST,

Eagle

Customer Ser-

problem you

Our Service De-

you

returning

unit

your

full

shipping

provided.

your

send

P.O. Box Number and

your

669,

SONAR

in-

Ifl LI A

Specifications Service Information

Introduction

How It Works

Installation Transducer Basic

Suppressor 5 Paper Speed

GRAYLINE®

Range Lower Limit

Upper Lines

Marker

Scale

End

Of

Zero

How To Read

Paper Loading Stylus Replacement Stylus

Do's and Dont's

Troubleshooting

Advanced Surface

Feet,

Transmitter Pulse Width

Discrimination

Transmit and Print Alternate

Selection 4

Operation

Limit

Paper

Adjust

Fathoms,

.. .

Graphs.

Belt

Replacement....

Operation

Clarity

Control

Meters

(SCC)

10 10 10

11

14

15 16 16 17 17

18 18

20

21

1

2 2

3

4

6 7

7 7

B

9 9 e

level whereas the

is

the

(4)

should be used

1

noise is

To use the

tion,

noise

then

4,

nation) Key. immediate

of

noise

Discrimination the bottom of the the level is entered and at vals thereafter.

strongest

present.

simply press

rejection

press

change

present

The Discrimination

be disabled at

-

0

ing Example:

Result:

Figure

DISC.

Enter a

level of 2.

Press: 2- DISC

— —

-—--——--____________

2

2'l

Jh

b0——-U-E

—----L

40

Transmit and Print Alternate

When

using

or if

water, serve

slow the

you

paper,

paper speed

than the automatic

over

when print"

However,

get

heavy printing difficult to read. Much

also be lost

A feature that is

the

Z-15

is the

highest

only

Discrimination func-

the level of

desired,

the DISC

There should be an

in the amount

on the

setting

paper

time

any

Discrimination

— ______

the Z-15 in

wish to

it

may

system

doing

or

very

over an area that is

due to this.

available on

Transmit and

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value Print Alternate function

level and

when severe

from 1 to

(Discrimi-

paper.

is

function can

The

printed

each time

at

inter-

by press-

-

LU

deep

simply

con-

be desirable to

even more

allows.

so,

you may

dark,

detail can

when

activated,

to

print every

stead of accomplishes

1. Since the

2. Reduces the

every

other

every

recorded information doesn't

the

have

therefore

attainable at slower

speeds.

bers are

them more

ing

"wrap-around". desirable occurrence of the

second or third bottom echo printed

causes the

other

revolution.

four

stylus only prints

revolution,

"over

good

Also,

spread

possibility

on the

or middle of the

which, I I. In

revolution

This

things:

the

print" problem,

records are

paper

the scale num-

out

more,

legible.

of

This is the un-

at the

paper

page. Many

times this can interfere with fish

or other

targets

that

you

wish

to see.

3. Reduces the reverberation ef-

fect. This

lower

can quency

is

heavy,

caused

nal

the surface and the

usually

plankton layers schools. This causes a

many

page. By enabling and Print

ter is

many less

(same

not as

amount of noise seen.

4. Slows the nificant amount of be saved

nate Transmit and Print feature.

21

happens mainly

frequency

happen

models. Reverberation

scattered noise marks

by

becoming trapped

scattered in

units,

on

higher

the transmitted

bottom,

heavy

or baitfish

lines to be

printed

the Transmit

function,

triggered

times as

energy

amount of often)

paper speed. A sig-

by using

the

half

only

normal,

into

the water

power,

which reduces

paper

the Alter-

but it

fre-

between

great

on

transmit-

as

putting

just

can

stylus

in-

mak-

top

on

sig-

the

To turn this feature

the 2nd

press

"4"

key.

mediately

that the

To turn the Alternate

and Print feature the 2nd "7"

key.

mediately speed

the function

When

combination of

board

and

the 2nd

press

key,

The

paper speed

slow

down,

function is enabled.

and

key The

paper speed

has been turned off.

entering

keys

make a

you

KE'yç

on,

simply

then

press

will im-

signifying

Transmit

off,

simply press

then

up, signifying

any

on the

then 0. This

the

press

will im-

number or

key-

mistake,

the

that

will clear

ple, Limit of 50 feet

feet Lower Limit and the

You could then

Limit for the desired

To cause the

the level of or Pulse Width at the

then the SCC/MARK,

be

the

if

you

instead,

page,

reprinted immediately.

keyboard.

wanted to set a Lower

and

before

Key press

keyboard

simply press

corresponding key (DISC,

will

press

Z-15

Discrimination, SCC,

the bottom of

or

PULSE)

For exam-

pressed pressing

range.

-

2nd

be cleared.

-

5

0

to

reprint

2nd and

and it will

40

the

0

Lower

EAGLE

Z-15

COMPUTER GRAPH

INSTALLATION INSTRUCTIONS

Paper

APPROXIMATE PAPER SPEED

Without Alternate Transmit and Print

LOWER

LIMIT

RANGE

Below 840 0.15 66 0.75

RANGE

Below 840 0.15 66

LITHO USA 988-0104-01

(feet)

10-120

130-510

520-830 0.15 66

APPROXIMATE PAPER SPEED

With Alternate Transmit and

LOWER

LIMIT

(feet)

10-120

130-510 0.20

520-830 0.15 66

Saving

Minimum

Paper Speed

Inches Hours

Per Mm Per Roll

1.0 10

0.5 20 1.4 7.14

Minimum

Paper Speed

Inches

Per Mm Per Roll Per Mm

0.5

Feature

—

Maximum

Paper Speed

Inches Hours

Per Mm Per Roll

2.35 4.25

0.75 13.3

—

Print

Maximum

Paper Speed

Hours Inches Hours

20 1.4 7.14 50 0.8 12.5

0.75 13.3

13.3

Per Roll

r

1-800-331-2301

AOl VISION OFL.O WRANCE ELSCTROMCS IN

P0. Box

OKLAHOMA

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on I

c.u_

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HoJw:

QJE1

ji

669. GATOOSA,

266-5373

(918)

-:

/

OK 74015

-

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Eagle Z-15 INSTALLATION INSTRUCTIONS

Specifications and Main Features

Frequently Asked Questions

User Manual