Lowrance X-15 User Manual

Paper

RANGE

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520-830

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Saving

APPROXIMATE PAPER

Without Alternate Transmit and Print

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INSTALLATION AND

MODEL X-15

GRAPH RECORDER

OPERATION MANUAL

INC.

LITHO USA

988-0083-01

• LOWRANCE

12OOO

E.

SKELLY

ELECTRONICS,

DR., TULSA,

OKLA. 74128

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L 30

RANGE: 10-30 FEET

SENSITIVITY: 3/4 SUPPRESSOR: MINIMUM

ft

1

U,

RANGE: 10-30 FEET

SENSITIVITY: SUPPRESSOR: MINIMUM

A

&

L

I-

A

3/4

-i

5

U

PAPER SPEED: 3/4 GRAYLINE: MINIMUM

:4

JO

PAPER SPEED: MAXIMUM

GRAYLINE: MINIMUM

Figure

50

51

RANGE: 10-30 FEET

SENSITIVITY: MAXIMUM SUPPRESSOR: MINIMUM

NOTE

LARGER FISH ON

& NEAR

OF

BOTTOM UNDER SCHOOL

SMALLER

FISH

Figure

52

25

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.7

RANGE: 0-30 FEET LINES:

SUPPRESSOR: MINIMUM SENSITIVITY: 3/4

PULSE WIDTH: 100 MICRO-SECONDS

PAPER SPEED: MAXIMUM

ON

Figure

47

48

Introduction

It Works

How Installation Transducer Selection Basic

Operation

Suppressor

Speed

Paper

GRAYLINE®

Range Lower Limit

Limit

Upper

Lines Marker Scale End Of

How To Read

Paper

Stylus Do's

Troubleshooting Advanced

Surtace

Feet,

Transmit and

'

Transmitter Pulse Width Specifications

Service Information

.

Paper

Graphs Loading Replacement

and Dont's

Operation

Clarity

Fathoms,

Print Alternate

Control

Meters

(SCC)

2 2

3 4

5

S

7 7 8 8 9 9 9

10 10

10

12

15 17

17 17 17

18 18 18

22

RANGE: 10-50 FEET

SENSITIVITY: MAXIMUM

SUPPRESSOR: MINIMUM

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PAPER SPEED: 3/4

LARGE

12 TO 26

SCHOOL OF FISH AT

FEET

Figure

49

I

INTRODUCTION

The

Lowrance X-15 is a

sophisticated sounder.

the

puter,

other

any price range.

tem is at the

changing

bottom

and boat

the unit's

pression level, speed,

line" used to

corded information.

Lowrance

system

signals

but is

ones,

line function to

gray

signals permanent

sonar

has "seen" is

recording depth

Thanks to a microcom-

X-15 can do more than

sounder in its

depth

Full control of the

your

finger tips

demands of

conditions,

speed.

sensitivity setting, sup-

and

the

variable

not

only

without

under all

record of what

water

You can select

depth range, paper

degree

enhance the re-

The

suppression

filters out false

distorting

synchronized

provide

conditions. The

roiled and

stored inside the case.

Small boat sonar

routinely

depth,

used to

examine bottom

and locate fish. The the

X-15

goes

ordinary.

Figure

Clues to

1

systems

measure water

capability

far

beyond

the

highly

sys-

to meet

varying

depth

of

gray

patented

the real

with the

clear

your

are

contours,

of

the

composition

of the bottom are of bait fish are

from

solitary game

a continuous

about bottom merged shipwrecks

together shown

tions of

can be identified speeds monly

tic "arched"

tinguishes

roundings

different

tected under

vertical

down),

HOW IT WORKS

When the unit

electronically

drives a the

paper.

tached to this

stylus

small mark is made.

the zero

surface of the

than six

separately

algae, individual fish are

recorded with

them from their sur-

—

temperatures

movement of

can

lightweight

right edge

The

marking stylus

is at

the

mark,

given

easily distinguished

display

contours and sub-

inches can be

—

moss or

—

signature

layers

good conditions,

be shown.

is turned

regulated

of the

belt. When the

of the

top

and

water.

—

schools

—

fish

there is

of

information

—

fish closer

concentra-

plankton

at

trolling

com-

a characteris-

which

dis-

of water

with

can be de-

and

(up

on,

motor

or

an

fish,

belt located at

recording

is at-

a

paper

This is called

represents

the

High Speed

SUPPRESSION: OFF SENSITIVITY: ON 1/2 POSITION

-

-i —,_.—,,

High Speed (46 MPH.)

SUPPRESSION: ON

SENSITIVITY: ON

(46 M.F.H.)

-

I,.'

—

ADEQUATE SElliNG

—

1/2 POSITION

a -

t''.'9ø'a't

NOTE POOR

BY NOT USING

WHEN AT HIGH

RECORD CAUSED

t - -

I,

1

SUPPRESSION

SPEED.

Figure

44

45

s

Fith 17 ft.

35 ft.

Depth

TRULINE RECORDER BOTH SEND AND

RECEIVED SIGNALS ARE

INDICATED ON GRAPH

RECEIVES

PAPER.

SIGNALS.

PULSE WIDTH: 100

SUPPRESSOR: MINIMUM

MICRO-SECONDS LINES: OFF

RANGE: 50 TO 70 FEET

2

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SENSITIVITY: PAPER SPEED:

3/4

MAXIMUM

Figure

46

23

SPECIFICATIONS — X-15

Depth Ranges:

Feet, fathoms,

Operating Frequency:

192 kHz second); accuracy

percent.

Pulse

Length:

(duration (30-2000/ks

Operating Voltage:

Minimum: 10 volts DC Maximum: 15 volts

Operating

0.7 to 1.8

printing density

power.

Output

Weight: Dimension:

NOTICE

ducer to

Power:

1600 watts

watts

(200

8.5 lb. With Gimbal Mount:

Width Height

Depth Width

Periodically

(3.9 Kg)

-

12¼"

-

Instrument

-

Height Depth

remove

-

Face with

meters.

(192,000

cycles per

is within 0.6

of

pulse):

programable)

Current:

amps

typical peak-to-peak.

RMS)

8%"

5¼"

Only:

91/2"

7½"

5¼"

wash the Trans-

any

200-1000/ks

DC

depending

and

output

and water

soap

oil film that

collect Oil and dirt on the

on

may

face

will reduce

sensitivity

or

may

even

prevent sounding.

GOT A PROBLEM? LET US

HELP!

If

have a

you

sonar

unit,

chance to

for

repair.

Assistance can often

tended Write or call one Service Centers or the Lowrance

Electronics, Inc.,

vice

(Toll-free are

partment may

by

Department

1-800-331-3889).

Please detail

experiencing.

problem

please

before

help

telephone

of our Authorized

Customer in

the

Our Service

be able

the inconvenience of

unit.

your

If it is determined

must be

structions will be SCHEMATIC DIAGRAM AND

PARTS LIST Diagram

Lowrance TRUELINE RECORD- ER,

Lowrance East homa 74128. Be sure and

Should

send

Skelly

returned,

provided.

desire a Schematic

you

and Parts list for

to PARTS

$1.00

Electronics, Inc.,

Drive, Tulsa,

with

us a

give

sending

be ex-

or letter.

Ser-

OK.

Tulsa,

problem you

to save

returning

that

your

full

shipping

your

LIST,

12000

Okla-

give

your

it in

De-

you

unit

in-

the Model Number and Serial

Number of INSTRUMENT.

your

SONAR

us

GRAPH

PAPER

Figure

down

the sound

through

echo is

another

depth

the echo can

comparing

paper

on the the

treated

it to leave a

mark.) During the

will be made

but amount before

Each before,

ture" of one

-

this unit

operation into two sections. The first section,

- Section

eration" and covers

is

X-15

tions. It will tell

basic controls pressor,

Range, plus

2

The

the

of the

continues to move

stylus

the

detected,

edge

pulse

water,

of the

is

mark on the

object

paper

traveling

and when an

the

stylus

paper.

which reflected

be read in feet

its location on the

depth

speed

scale

motor drives

to the

paper.

A variable

paper graph. (The paper

so that the

stylus the

paper

permanent

belt,

stylus

black

one revolution of

a

by

narrow mark

very

the flexible

will move a small

the next revolution.

mark will blend into the one

that a

so

the

mark at a time.

tiny

Due to the

has,

section of

Ill,

absolutely

is a wide

Paper Speed,

composite pic-

will be

target

features that

many

have

we

is entitled Basic

necessary

variety

you

—

a few

split

this manual

everything

to use the

of

how to use the

Sensitivity, Sup-

Grayline,

special

printed

will burn

made,

situa-

while

makes

The

by

is

stylus,

the

Op-

that

functions.

This section will

most situations. However,

have mastered

you

eration of the in Section some of the features Section

tion. This

other features that serious maximum use out

We

ual

thoroughly

yourself

though

unit,

the

and the front Should

please phone

vice

1-800-331-3889.

III, you may

—

VI

chapter

operator

urge you

with the controls.

this is a

it is

easy

of the

power

you require

Department

dents call collect

6881).

be

A service

happy

to

be

adequate

the basic

X-15 as described

wish to

described in

Advanced

will

explain

will enable the

to

the

get

of this

read this man-

to

and familiarize

advanced

very

to

panel

our Customer

help you.

thanks to

use,

microcomputer

controls.

extra

free at

toll

(Oklahoma

-

1-918-437-

representative

II INSTALLATION

Mounting

The

stalled in provided

the best

in the bracket base screw or bolt

stiffener

—

depth

any

the unit

viewing

may

sounder

convenient area,

may

can be tilted for

angle.

allow wood

mounting.

be

required

for

once

op-

try

Opera-

four

equipment.

Al-

help,

Ser-

resi-

will

be in-

Four holes

A wood

on the

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22

3

back of thin support

If the

than 18"

a trial run

the unit in that the

affected.

Figure

BE SURE

ber

grommets

The

larger

of

grommet goes

gimbal

wiched between

fiberglass

the

X-15.

desired location is closer

to a

magnetic compass,

should be made with

operation

compass

3

readings

_________________

to insert the two rub-

on

gimbal

side

(larger diameter)

on inside of

bracket so

that it is sand-

gimbal

and sonar instrument

The

ings).

grommets provide

tion to hold the unit at

angle.

Power Connections

Twelve volt DC

sounder should

depth

the boat's 12-volt

by

tem.

The

tached to an

buss,

with cable to the

If a

ordinary at

any

power

accessory

but if

electrical

you

should be attached

battery.

longer

cable is

#18

lamp

hardware or electronic

—

power

electrical

cable

have

interference,

cord available

panels

to be sure

are not

bracket.

bracket

draw-

(see

fric-

the desired

for

the

be

supplied

sys-

be at-

may

or

power

problems

the

directly

required,

sup-

to

use

store.

ply

dered. If this can't be crimp-type splices. Tape

with

An

is

supplied

tain to

close sible. This will sonar unit

the event

connectors

the fuse

ble. The red power

ductor. The ground

The

cidental damage

reversed. The unit however,

is

applied.

Splices

electrical

in-line fuse

with the

install this fuse holder

to the

and the

a short occurs.

holder to the

cable is

conductor

graph

polarity

will occur if

until the

should be sol-

tape.

holder with fuse

X-15. Be cer-

power

are

source

protect

power

supplied

or white wire in the

the

positive

black wire is the

is

protected

reversals and no

the wires are

will not

proper polarity

Transducer Selection

Lowrance offers

of

transducers with

degree cone

with

units. In rance used with

ducer of

out loss of use of

transducer will result performance.

cone

that will

angle

of

our 192 kHz sonar

any

other

sonar instrument can be

any

the same

retuning

performance.

other manufacturer's

any

Now

you

can

you

either an 8

or 20

angle

interchange

words,

Lowrance trans-

of

any

frequency

any kind,

However, in a loss of

select the trans-

use

done,

all

splices

as

pos-

both the

cable in

Crimp

to attach

power

ca-

con-

from

operate,

the choice

degree

Low-

with-

and no

ac-

the

To

return the unit to the

of the

micro-computer, simply

0 and

press

SCALES

then the LINES and

keys

This will revert

normal Example:

Figure

operation.

Set the initial transmitter

pulse micro-seconds.

'•.•

42

H

control

at the same time.

the unit back to

width

tolOO

A'

A':

'.

I :\'

A

Press: LINES

Result:

Example:

Press:5,

and

LINES

Result:

Ii

•

'

0, then SCALES and

1,0,

together

Figure

Set the initial

pulse

Figure

'ii.

42

width

to5O

then SCALES

0,

together.

43

transmitter

'I

I

S

I

gs.

'Ii

I,

b

Figure

4

Ground

(Negative)

8

Figure

Qosci Iii

43

B

U

21

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ducer

example,

set to 260

transmit

is.

390

pulse from

initial

micro-seconds.

The transmitter

be increased from the initial

at

any

pressor maximum amount of

with the LOWER LIMIT

the initial

feet,

width would be 260

pulse

If the LOWER LIMIT is set to

the initial transmit

feet,

would be 390

600

feet and

width remains

pulse

time

by

control clockwise. The

jts. Finally,

below,

pulse

rotating

pulse

the

at 600

width can

point

the

Sup-

width

added to the initial transmitter

width

pulse microseconds.

the LOWER

feet,

trol is rotated to

ition,

would be 1220 micro-seconds.

(420

Earlier,

tionship

target separation.

increases, resolution is

the

pulse

resolution becomes much better.

The X-15 allows

advantage possible

transmitter

from what the

selects

Limit.

The

width can beset from

2000

keyboard

the initial

ting

width to 100

lution can be equivalent

and 30 width is tion! No other

today

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

20:

is

approximately

In other

and the

LIMIT

Suppressor

set to 420

is

the maximum

the transmitter

initial + 800

we talked about the rela-

between

pulse

=

1220.)

pulse

As

pulse

target separation

degraded.

width is

decreased,

you

of this fact

to override the

width

pulse

micro-computer

according

initi?l

ps by entering

to the Lower

transmitter

it on the

as shown below.

transmitter

a three-inch

Its,

obtained,

to an inch and

initial transmitter

j.ts

equal

can

to one

graph

give you

inch resolu-

in the market

this

800

words,

con-

width

width and

width

or

However,

take

to

making

by

initial

setting

pulse

30

to

ts

By

pulse

reso-

50

1as

a

half, pulse

feature.

if

pos-

set-

is

After

setting

pulse

trol can still be used to

noise

width.

For

transmitter

and the tated to

pulse turning

minimum will restore the unit to a

50

jis

The X-15 will

transmitter

tom of

ride the guish

width from the

on the

of the

front

the initial transmitter

the

width,

by increasing

example,

Suppressor maximum,

width would be 850

the

transmitter

the

micro-computer

suppressor

the

if a

SOjLs

width is

pulse

Suppressor

pulse

paper

control is

the transmitter

pulse

display

width at the bot- when

cancel out

pulse

control

width.

the initial

you

the initial transmitter

scale

depth

a zero is

paper,

pulse

printed

width so that

two will not be confused. For

example,

pulse the

transmitter displayed

if

depth

a 100

width will be

as 0100. A 50

paper

pulse

as

will be

transmitter

Its

displayed

width would be

while a 50-foot

0050,

displayed

as 50. To

set the initial transmitter

width, simply press

width desired on the

pulse

it

keyboard,

LINES and SCALES

and then

same time.

(Note:

the amount of

press

keys

If the lines

and/or the scales were turned this will turn them back off

the SCALES

independently.

simultaneously.)

This will override

computer's

initial transmitter

desired

initial transmit

this

settings

trol is returned

computer.)

setting. (Note:

width will be fixed for all

until

back on. To turn

them

again, press

the LINES

or

key

Do not

press

the micro-

selection and set the

width to the

pulse

When an

width is

pulse

changed

or until con-

to the micro-

con-

initial

selected,

ro- Re-

s.

to

over-

To distin-

pulse

printed

in

the

on

ts

pulse

the

both

at the

off,

either

key

them

set,

depth

•

design

best fit

wide cone

erally,

ers

(20 degrees)

for

operating

medium cone

angle

more of the underwater

15 feet of water the 20

transducer covers an

bottom that's about 6 feet across.

The 8

degree

about a 2 foot circle.

only

Thus,

transducer when

gree

fish or drop-offs

that are around

below

you.

transducer won't

gree greater depths

degree

a

sharp drop-off

deep-water deeper)

sharp drop-offs,

can sometimes be

angle sirable because it can more accu-

detect the location of

rately drop-off

In

deep

energy being smaller

ducer can reach

Both the 8

degree accurate bottom

though

wider on the cause

bottom.

of

edge

the true

you

the

signal

are over

you

drop-offs.

of the 8

nal

merely about the bottom's contours. This

and cone

your specific

in shallow

depths.

The

allows

needs.

angle are

ideally

20

you

angle

transduc-

water or at

degree

to see

world. In

degree

area of the

transducer covers

looking

easily

. . . not

the

penetrate

20 de-

find

20

would use a

you

structure,

or

reefs,

However,

to

and to see

you

as well as the 8

transducer,

nor will

as well. In a

environment

or where

you're looking

(100

the narrow cone

more de-

without

water,

area,

Lowrance transducers

the bottom

you

Remember,

the

displaying

with the sound

concentrated in a

the 8

degree

to

greater

degree

20

are

and the

readings,

signal

degree

seeing

more

the shallow

shows

signal

depth.

tells

The rest of

whether

you

rocks, mud,

is

model be-

or

The narrow bottom

degree

reveals

transducer

less information

to

Gen-

suited

for

fish

just

de-

to

it

show

ft. or

at

the

the fish.

trans-

depths.

20

give

even

much

of the

sig-

feature

using

is

particularly

the X-15

1. TPD-1 192-20

(20 degree)

or

trolling

motor mount.

2. TPD-1192-8 angle (8

thru-hull.

degree)

3. TI-lS-1192-20

degree)

(20

transom hull.

mount or shoot-thru-

useful when

offshore.

Wide cone

for shoot-thru-hull

Narrow cone

for shoot-

Wide cone

for

high speed

4. TTH-21 92-20 Wide cone

(20

degree)

for thru hull mount

or transom mount.

TTH-2192-8 Narrow cone

5. (8 degree)

for thru hull mount

or transom mount.

Ill BASIC OPERATION

On-off

Rotate

to turn

knob

control on

signals

and

Sensitivity

the

On/Off

the unit on. The

works much like the volume

a

radio,

will be detected with

Control

knob clockwise

Sensitivity

that

weaker

is,

angle

—

5

higher

cruising,

Figure

settings

6

just simple

mation is

setting or over

(which produce

setting

can be low. In

soft, muddy bottoms,

will have to be

When

are

used,

will

appear

,-

of the knob. When

at

or

other times when

bottom-contour

desired,

the

weak

high Sensitivity settings

a second

This is

&q

bottom echo

normal and is

infor-

Sensitivity

water

deep

echoes),

higher.

LLI

7

Igure

SENSITIVITY: TOO LOW

caused

flecting

ter,

making

bottom and back.

When detailed

brush

thermocline is sitivity

¾

point.

below to see what effect the sitivity setting

information.

Recording

"arched" accomplished

with

point,

tion

10 for important

recorder.

Suppression

The

used to reduce interference from noise.

is

any

caused (such

tem),

the

by

off the

piles,

knob should be set at

returning signal surface of the wa-

a

second

information about

individual fish

desired,

Refer to the illustration

has on the recorded

individual fish with an

signature

the

Sensitivity

or

higher

"Arched

more information about this

function

can

at

trolling speed

knob at the ¾

Refer to the sec-

Signatures,"

of

Control

Suppression

Noise, undesired

as the

or

in electronic

signal.

an

electrical

by

engine's ignition

air bubbles in dis-

by

turbed water which is tation noise. In both

the

noise could marks

44

&

are

relatively

Figure

produce

on the

paper (See Figure

45.) Fortunately,

short in time com-

8

SENSITIVITY: PROPER SETTING

to the

trip

or the

the Sen-

usually

on

your

Control is

terms,

It can be

source,

called cavi-

cases,

the

unwanted

noise

pulses

0

re-

about

Sen-

be

page

sys-

used on all the Lowrance's vari-

able

suppression

graphs. Basically, principle

are of

that most noise

relatively

flashers and

it works on the

pulses

short duration. If

the receiver circuit can be ad-

so

cancelled

information

course,

that it will

then the short

etc.)

the

accept only

and

out,

bottom,

(fish,

will be

transmitter's

displayed.

only

to be increased

same time so that the return

accepted by

what

exactly

suppression system

the front

by

control,

width,

cancelling

pulses,

the Low-

width is in-

pulse

panel sup-

and the

out

and

does.

receiver

display-

the return echoes from

bottom,

sensitivity

this

by

only disadvantage

is

resolution,

targets,

pulse

ps

(micro-second)

width used on the X-15

pulse

power

that

are

In

other

on the

up

with a 200

if we increase the

Now,

pulse

the

those same two fish

blend

as one fish br

up

etc.

(Note:

is not diminished

process.)

to this

or the

is diminished

width is increased.

transmit-

is first

to

display

only

words,

turned

apart

on,

two fish or

6 inches

if two fish

are dis-

graph paper,

as two

separate

cs pulse

width to 400

Suppressor

togetherand

possibly

pulses

pulse

the

any

Re-

ability

will

they

gs,

control

justed

long pulses,

will be

desired structure,

Of width would have

at the

echoes would be

receiver

This is

rance

The transmitter's

creased pression

"tracks" the amount of increased pulse

narrow noise ing only

fish or the

ceiver at all

The

system

to

separate

when the

A 200

ter when

allow the unit targets

apart.

that are six inches

played

will show

arches when the transmitter is

operating width.

transmitter

(by rotating

clockwise) arches will

show

even a "blob" on the

With

width,

have to be at least 12 inches

before separate

This is

the

down to minimum

for fish.

However,

to have

noise is

using

easier for the unit to

longer pulse

bottom or called

tion."

being

turning

minished

sound

weaker the

larger signal is easier for

For this

computer

cally

width of

limits are

(Note:

pulse

Suppressor minimum.)

From

the initial the same rate as

a 400

those same two fish will

they

Suppressor

ts

will

arches on the

it is

why

it is

longer pulse

paper

transmit

show

up

graph.

important

control turned

when

helpful

sometimes

widths when

not a concern. When

a

sonar in

deeper water,

detect a

coming

from the fish.

"Probability

The

probability

able to detect an

from

deep

because the further

has to

pulse

it becomes.

pulse width,

back

This s

of Echo

of the unit

echo re-

water is di-

travel,

By

broadening

in

essence,

is transmitted and it

the receiver to

reason,

in

increases the initial

the unit as

set

Initial

width

LOWER

LIMIT

(Feet)

10 110

20

30 40-200

210 feet to 600

pulse

the micro-

the X-15 automati-

deeper

the

by

operator.

width is the

pulse

of the unit when the

control is turned to

INITIAL

TRANSMIT

PULSE WIDTH

(Micro-seconds)

130

160

200

the

feet,

depth.

width increases

pulse

apart

as two

to leave

looking

from the

Detec-

the

a

detect it.

pulse

lower

For

it

at

is

6

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

19

mediately amount of SCC

the

eliminated also.

To turn the 5CC function

press value

or turned OFF at

Feet, Fathoms,

The

in

feet,

though

be seen. Use

required

clutter,

as fish

signals

0, MARK/SCC.

or

(1,

2,

can be

3) any

The 5CC

time.

Meters

X-15 will

fathoms,

display

or meters. Al-

the unit will revert back to

the feet mode whenever

is turned

to

any

3 for feet — 4 and 6 for

1 and

fathoms,

These

simultaneously

work.

When the unit is in the Feet

mode,

played paper every

Fathom played.

it is

off,

mode

and 7 and 9 for meters.

keys

simple

wish

you

must be

pressed

for this feature to

only

one

L'

will

at the bottom of the chart

few inches. In the

mode two

Three

L's

will be

the

only

to reduce

can be

OFF,

changed

the

depth

power

to

change

by pressing

be dis-

will be dis-

printed

on the Meter mode.

Example: Display

Press: 7 and 9 Result:

-

U

12

lb Ib—

Figure

Meters simultaneously

41

20—

number of

Feet

at the

-

mode that

the unit is

U Fathoms

-

I.! U U.

-

By looking

U

one can determine the

's,

depth display

in, i.e.,

U

or Meters

LL

Transmit and Print Alternate

When

using

the X-15 in

deep

C—

— —

—

a

it

water,

the

paper speed

However,

bly.

may get heavy printing

difficult to read. Much detail can

be desirable to slow

may

"over

down considera-

when

doing

or

print"

over an area

so,

very

you

dark,

that is

be lost due to this.

A feature that the X-15 makes

available is the Transmit and Print Alternate causes the

which,

other revolution instead of

revolution. This

three

things:

1. Since the

every corded

squeezed together small area. This allows better

records at slower

speeds.

bers are

are more

they

2. Prevents the

"wrap

undesirable second

printed

or middle of the

top

Many

with fish or other

wish to see.

you

when

activated,

to

stylus

print every

every

accomplishes

stylus only prints

other

revolution,

information is not

the scale num-

Also,

spread

legible.

possibility

around". This is the

occurrence of the

into a

paper

out

the re-

more,

of

very

so

or third bottom echo

on the

times this can interfere

paper

targets

at the

page.

that

3. Reduces the reverberation ef-

fect. This

lower

though show

graphs. and

press

LOWER

If

you

off, and LOWER

happens mainly

frequency

units,

it does sometimes

on

up

high frequency

To use the Transmit

Print Alternate

the UPPER and

keys simultaneously.

wish to turn the function

simply press

the UPPER

keys again.

Transmit Pulse Width

The noise

in the X-15 is a

width discrimination

circuit,

suppression system

patented pulse

suppression

and is the same as the one

function,

on

al-

to real

pared

vancing cause the

unwanted, reducing

This

sive with Lowrance. high suppression settings,

record becomes coarse and

graph

the

ability

bottom decreased.

Therefore, sion

setting,

the knob

RD I

Figure

necessary

unwanted noise marks. Most of

the time at low or no

suppression

Paper Speed

This knob

the chart

graphs, depths,

trol

up

For best

maximum. This will show

fish arches at low

keeps high speed being compressed. speed

when

using

This will

pearing microcomputer

slow the maximum

sonar

the

Suppression

system

short

the

patented design

to

separate

signals.

to

reject

pulses

sensitivity

However,

or from other fish will be

(See Figure 10.)

the lower the

the better. Advance

setting only

lirf

9 PROPER

to remove the

trolling speeds,

will be needed.

Control

adjusts

paper.

in shallow to medium

turn the

to at least ¾ when

details,

should be turned down

the unit in

prevent gap

in the record.

the

For

good

paper speed

turn it

speeds

information

The

will

automatically speed

Ad-

knob will

these

without

in

any way.

is exclu-

the

fish from the

suppres-

as far as

SETrING

erratic,

speed

detailed

con-

trolling.

to

up

proper

and

paper

water

deep

from

ap-

In

fact,

of

the

chart

paper

water

deep

the

points

speed

RANGE

with

10'-120'

130'-510'

52O83O 3

Below 840'

The chart

P,," I® .

:

Figure

further

even

paper speed

appear

gaps the

paper speed

record is achieved. The

of

from

speed

not

looking

conserve

GRAYLINE® On/Off

The GRAYLINE®

used to outline the bottom contour

which

beneath trees and also

give

the bottom. A hard bottom re-

of

turns a

a wide

weedy

signal narrow

the control too far or it will

when

operating

The chart below

in

gives

where the maximum

of the

is slowed.

paper

PAPER SPEED

1 Fastest

speed

paper

2 Medium fast

paper speed

Medium slow

paper speed

4 Slowest

speed

paper may

10 SUPPRESSION: TOO HIGH

by adjusting

control.

in the

down until a solid

also be

may

for fish or to

paper.

otherwise

might

clues-to the

very strong signal causing

line. A

gray bottom

which is

gray

returns a weaker

emphasized

line. Do not advance

paper

be slowed

I)

2

the

Remember,

record,

slowed when

turn

paper

simply

Knob

function can be

be hidden

brush;

it can

composition

soft, muddy

with a

gray

if

or

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

18

7

-12

-

I

Figure

line on the

showing

the

RANGE

11

target

target completely,

no

difficult

The Lowrance X-15

line range

depth

We

urge you

carefully your

has the most

graph

selection

sounder in its

to

get

X-15.

Lower Limit

When

you

the

X-15,

Figure

'0

2'I --___________

Sb

'Ia

hfl

As

descend below 60 feet. To change

press Keyboard,

LOWER

Example:

range

13

-______ -_____ -—

travel,

you

to a

the

desired

and then

LIMIT.

Display

GRAYLINE: "OFF"

which makes

black,

to see.

straight

advanced

capability

price

to read this section

the most out of

first turn on the

will

be 0-60 feet.

.— ______________________

the bottom

deeper range, simply

on the

depth

press

0-80 feet.

H

of

any

range.

-—-

Sb

'ID

may

A I

-

K -

t

131

Figure

Press: 8 0 LOWER LIMIT

The

depth

Figure

r__-_s...j

I.

-

12

will then be

14

—n a

—'-lb lb

_________________ ______

—HE

—bH bM

U

Any depth

(i.e. 10, 20, 30, 150, 320,

be used

may

in a

the bottom of the chart

Example: Display

Press: 1 9 0 LOWER Result:

—

Figure

_________________

U

—3

—

lb ib—

-

—''H

—152 152

—

- -

_________

I,

GRAYLINE: "ON"

displayed:

92

MB

SD——

multiple

as a lower limit at

0-190 feet.

15

of ten

etc.)

paper

LIMIT

-

11H

- —

bJ

mounted on the

be washed

water to remove

soapy cumulated road

This is essential to contact between the

and the water.

Periodically,

the

paper

with a cloth

to

cohol,

improve

the drive shaft.

Figure 29). DO

SECTION

Do

carry

and roll of

belt,

Do use the

or

spool'

to

paper

Do use the

transom should

periodically

or

grime

have

transducerp

the rubber rolleron

drive should

dampened

the

friction on

(See page

a

attach

fuse,

spare

paper.

from a new roll

tape

it

to the

cardboard

empty

core from the last roll of the

take-up post.

Do

on the

Do

for future

Do clean the

wheels with five rolls of

a

carry

paper.

the recorded

keep

reference.

paper.

to make notes

pencil

belt and

stylus

alcohol after

DON'T SECTION

DON'T OPEN

WHEN THE UNIT IS ON.

Don't

pull

down when the

front.

Don't store

the case or behind the

THCASE

the

platen

stylus

any objects

assembly

is at the

viewing

door

Don't

the

take-up

Don't Don't use

vents

or abrasive

TROUBLESHOOTING

to

forget

core.

rotate the

cloths,

oily

the

tape

stylus

cleansers.

Symptom

On/Off switch is

and

stylus

What To

Check

paper

Do

fuse;

"ON",

don't move.

check connections

with mild

ac-

any

film.

oily

good

be cleaned with al-

16,

stylus

take-up

on

paper

graphs

every

inside

to

paper

belt

up.

strong

sol-

but the

at

battery; tighten power

connector.

cord

Symptom

On/Off switch is

zero tom

signals.

What To

Be

plugged

transducer water.

but no echoes or bot-

mark,

Do

sure the transducer is

into the unit and the

in

is

contact with the

"ON",

have

Symptom

The unit is

ON,

but

paper

not move. What To Do

Tape Paper

on

take-up post.

to cardboard

Symptom

Recorder

marks are faint or dim.

What To Do

Clean

viewing door; replace

stylus;

check

battery

connections.

Sympton

Recorded marks are

heavy; paper

is torn

very

by stylus.

What To Do

Bend the

duce

VI ADVANCED

Surface

The

of the chart

extend face. This often

area that one

Surface clutter is and

plankton,

wave action or

by

or

fish,

stylus slightly

pressure

on

Clarity

surface

many

markings

paper can,

feet below the sur-

is air

temperature

interferes with the

trying

paper

OPERATION

Control

caused

bubbles created

boat

to re-

(SCC)

at the

at

times,

to

graph.

by algae

wakes,

inversions.

The surface clutter can be re-

duced or MARK/SOC

To use the

for minimum

mediate elimination of surface

then

tion of the surface

elimihated

on the control

key

5CC, control,

2 for an inter-

effect,

control,

press

or 3 for maximum

MARK/SCC. A reduc-

clutter will im-

by using

clutter,

does

spool

the

top

bait

the

panel.

press

and

1

8

17

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

STYLUS BELT REPLACEMENT

CAUTION

present

—

High voltage

in the electronic section

is

when the unit is turned on.

TURNTHE UNIT OFF.

1.

2. Release both catches on the

case. Pull out and

of the

top

on the

down front to

3. The

wheels edge

Refer

Move the

DOWN

expose

stylus

located at the

the

of

to

Figure

front of the belt

to

at the center of the

Grasp

the belt at the

4.

of the case

top

the

stylus

belt.

belt rides over two

right

platen assembly.

2 on

position

the

page

stylus

platen.

stylus

3.

holder with the thumb and forefinger

to the

belt other

40.)

5. Position

wheels

cedure old one.

the new

of

UP

6. Close

Latch both

the unit.

of

MAINTENANCE

NOTE: The

if it is in front of the

aged

the

when

down.

pulled

to the back side of the

stylus

when

platen rolls. Remember to move the belt

down to remove

Black carbon dust is created

the

during

a

viewing hind the

compressed

blow dust out of the case away

soft,

oil-free

from

and move it

left while

pushing

gently

the

off the wheels with the

forefinger. (See Figure

the new belt on the

are

the

pro-

fingers

pointed

reversing

by

used to remove the

BE SURE the

stylus

the front of the case.

catches on the

stylus may

platen assembly

Always

changing

stylus.

recording process.

door and metal

paper.

moving parts

rag

air

Low

may

to clean the

be dam- platen

is

move the

the

paper

platen

pressure

be used

and

if the air

top

Use

be-

to

I

Figure

is

the

rides on should be

with a soft

cohol to remove Strong

ers should not be used. should be checked

be sure

bricant to the motors or

the transmitter section when the

unit is ON. No

made

to

section.

power plug, power

tery

connections should be checked

periodically necessary.

40

and free of oil.

dry

After

stylus

All mechanical connections

DO NOT

every

five

rolls

of

paper,

belt and the wheels it

clean

wiped

moistened with al-

rag

carbon dust.

solvents or abrasive clean-

periodically

haven't

they

apply any type

worked loose.

gear

HIGH VOLTAGE is

by any

modify

Corrosion

cord

connections.

unauthorized

or

repair may

in

the fuse holder

splices,

and cleaned as

The face of the

present

attempt

should be

the electronic

occur at the

or at the bat-

All

electrical

transducer,

of lu-

trains.

in

person

or

if

to

Note that the

down

automatically

setting.

-

Clear

the LOWER

hitting

paper speed

at this

To clear an

key, press

entry

slows

range

before -'N

0

four times. The desired numbers

then be re-entered.

may

UPPER

ing, expand

neath

by

the underwater world on the

paper. By using

key, any depth

may the chart

Example: Display

20

29 00

LIMIT

times when

Many

you

it is desirable to "blow

a section of the water be-

This is made

you.

the X-15 to show

be

displayed

paper.

Press: Result:

Figure

segments

the UPPER LIMIT

in

multiples

at the TOP of

20-60 feet.

2 0 UPPER

16

are fish-

or

up"

possible

of

graph

of 10

LIMIT When the X-15 is first turned

20

'

-

_____________________ -

S2 SE-

g L'—bD-

Notice: No surface

displayed. Example: Display

Press: 4 0 UPPER Result:

These

various combinations to show segments

bottom. See pies

Figure

ranges

from the surface to the Marker

of

segments

40 to 60 feet.

17

can be used in

representative

on

signal

page23.

will be

LIMIT

sam- A marker is included in the

Figure

'1D

17

________________________

__________________

- —

60 U U —ED

If

wish to

you

settings LOWER LIMIT

Your printed

change LINES

on, depth

the

Lines

-

Lines

2H EM

26 36

at

range

on the

the

paper.

off,

the Lines back

key again.

Press: Lines Result:

Figure

X-15 so that events

display your depth

any time, simply press

or UPPER LIMIT

will

immediately

This will not

paper.

depth setting.

lines will be

If

you

press

printed

desire to turn the

the LINES

on, press

18

may

key.

-

be

'IS

Sb

be

on

To

the

a

2

I! 60

—

-

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

16

9

marked when desired. To use the marker, key

played Hold the MARK

unit will as

Example:

Scale

simply press

and a vertical line will be dis-

across the entire

the vertical line for

print as the

long

Press: MARK Result:

Figure

El

12

2L4

bO

the MARK

down and the

key

is held down.

key

19

page.

U

The numbers that indicate the

or scale

depth desired.

once will scale numbers. The scale

displayed again by pressing SCALE

displayed either the LOWER LIMIT or the

UPPER LIMIT

Example:

Pressing

stop

key.

Remember,

at

Press: Result:

SCALE

Figure

any

be deleted if

may

the SCALE

the

printing

the scale

time

by pressing

key.

20

- Figure

of the

may

key

be

the

be

red

paper

only

-

Marker

used

line

printed

to

2

to

paper.

2

24

in the

at the

signify

3 feet be-

End-of-Paper

The

graph paper

has a

X-15

bottom of the

when there is fore the end of the

End of

PaperMark!5__

Figure

IV

"Arched

X-15

ual fish with a characteristic

arched mark that

from their The

low.

moves into the sonar's cone of

sound

When the fish has moved

to

tance to it will "B"),

cone,

again

21

HOW TO READ GRAPHS

Signatures"

A remarkable

advantage

of the

is that it can record individ-

separates

stationary surroundings.

reason for this is shown be-

them

The distance to a fish when it

is shown as "A' in

the center of the

be

shorter,

and as it moves out of the

the

distance will increase

cone,

Figure

the dis-

(line

as shown in line "C".

22

22.

STYLUS

CAUTION

present

REPLACEMENT

—

High voltage

in the electronic section

when the unit is turned

1. TURN THE UNIT

2.

Release both catches on the

of

the case. Pull out and

top down

on the

front to

(See

3. The

wheels located at the edge

Move the front of the belt DOWN to

expose

Figure 36.)

belt rides

stylus

of the

position

OFF.

of the case

top

the

platen assembly.

at the center of the

4. Hold the with one the old left

stylus by starting

edge

from under the tabs on the

holder.

stylus

5. Before

stylus,

Figure

installing

be sure it is bent

37

stylus

finger,

and

moving

belt

and remove

the new

on.

stylus

over two

right

the

stylus

platen.

stationary

at its

it out

prop-

is

belt.

erly by comparing

6. Refer to the new

correctly

Figure

stylus

under the tabs on

it to

Figure

38to be sure

is

positioned

the holder. Be sure it moves freely

bend the edge

does move

7. After won't

the

paper,

bend the

that more

against plate.

all the down more

it

digs

in the two slots. If

stylus away

it is

rubbing

freely.

if

all the

the

way

installing,

print

(See Figure 39)

right leg

pressure

the

stainless steel

If it

still does not

bend

way,

into the

the left

not so far that

(but

paper).

not,

from the

on until it

stylus

down

down so

is exerted

print

leg

8. Close the front of the case.

Latch both catches on

the

of the case.

37.

top

U

15

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0—

10

20 30 40 50

—

Figure

31

32

Figure

I

34

35

60

Figure

If a

the time on curves

down), ducer is

Sharp,

will occur most

Sensitivity

or

point

Remember, too,

23).

must be

the fish and

arched

Thermoclines

The

lake is seldom

to bottom.

temperatures

p

23

partial

arch occurs most of

(the

mark

unit

your

but does not curve back

up

it is because the trans-

not aimed

well-defined

straight

often when the

knob is set at the ¾

higher.

(See (C), Figure

some movement between

boat to

mark.

temperature

Layers

develop

of water in the

constant from

of

and the

form,

down.

signatures

that there

different

junc-

the

top

Many

a warm and cool

a thermocline.

thickness of the ther-

and

vary

In

day.

two or

be

Thermoclines are

times

more,

fisherman because

which fish are active.

bait fish will be above

tion of

water is called depth

mocline can or time of

may

depths.

tant to the are areas

the thermocline fish

suspend

Figure 23.)

(G),

Your

can detect

the

water,

will

probably

¾

point,

just

Lowrance Model X-15

this invisible

but the

have to be set at the

or

higher.

layer

with the season

lakes there

deep

at different

impor-

while

larger game

below it.

Sensitivity

(See

layer

knob

of

The

they

in

Figure

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14

33

Figure

36

Figure

24

11

V

PAPER

CAUTION

present when

1. TURN THE

2. Release both top

down on the

front to

sembly: (See

3. Move the

(on ing area),

marking stylus

side of the

move the belt may

26)

LOADING

—

in the

High

electronic section

the unit is

of the

case. Pull out and

expose

stylus

the

right

to

platen.

be

damaged. (see

turned on.

UNIT OFF.

catches on the

of the case

top

the

Figure 25.)

belt

side of the view-

position

on

up

SPECIAL NOTE: The

be

may sembly

stylus

damaged

is

pulled

has been moved to the

back side of

4. Pull out

at the

top,

assembly spools. (See

To remove

:

push

paper snaps

in

retainer

out.

The roll can now

removed from the end

caps. (See Figure

6. Remove the core from the same manner

notches in the core wEth the

tabs on the lower

spool.

(See Fig. 30)

retainer knob in

paper

it

tate

until it locks into

7.

Put a fresh roll of

position

posts

on the

of the

if the

down

the

platen.

and down on the

center of the

to

expose

Figure 27.)

the full

and rotate the left

knob until it

(See

Figure 28.)

be

empty supply

right

Align

take-up

paper

centering

paper spool

platen

DOWN,

the

is

as-

voltage

the back

NEVER

—

the

stylus

Figure

stylus

as-

platen

unless the

tab

platen

the

paper

take-up roll,

easily

paper spool

29.)

side in the

the two

Push

the

and ro-

place.

in

end

on the

caps

of the

paper

tom of the roll.

31.)

8.

Draw the end of the

supply

platen assembly.

must

spool

oft

(See

side

Figure paper

across the face of the

around the friction

the

take-up

squarely

to the

core,

take-up

roller,

and

(See Figure 32.) (Hint:

of

strips

inside

housing.)

9. Hold the turn the wise to tension be

(See Figure

10. Push the

put on the

snug

back to its Be sure it

inside the

tape may

take-up spool,

supply

a small amount of

against

platen

operating position.

engages

top

spool

paper

the

33.) assembly

of

the case.

be stored

platen.

the catch

(See Figure 34.)

11. Close the front of

Latch both catches on

of the case.

12. Turn the unit on. Move

Chart

Speed

clockwise. Watch the

long enough

movind smoothly across the

flutters or hill", repeat

platen.

begins

the case.

(See Figure

knob

fully

to be sure it

and

If the

to run

8.

Step

(right)

The

the bot-

platen,

over

it

tape

core.

small

and

clock-

It should

the

top

35.)

the

paper

is

evenly

paper

"up-

Figure

12

27

13

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Lowrance X-15 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual