Lowrance X-15B User Manual

To turn this feature

the 2nd

press

"4"

key.

mediately

that the function is enabled.

To turn the Alternate Transmit

and Print feature

the 2nd

"7"

key.

mediately speed up, signifying

the function has been turned off.

When

combination of
board and

the 2nd

press

key,

The

paper speed

slow

and then

key

The

paper speed

entering any

you

KEY

on,

simply

then

down, signifying

off,

simply press

press

number or

on the

keys

make a

then 0. This

the

press

will im-

the

will im-

key-

mistake,

that

clear the

will

if

ple,

you

Limit of 50 feet
feet

instead,

Lower
and the

You could then

Limit for the desired

To

cause the

the

level of

or

Pulse

the

page,

then the

SCC/MARK,

be

reprinted immediately.

keyboard.

wanted to

nd

before

Limit

Key press

keyboard

Width at the bottom of

simply press.2nd

correspondipg key (DISC,

will be cleared.

press

X-lSBto

Discrimination, 5CC,

or.

PULSE)

For

exam-

a Lower

set

pressed

pressing

2nd -0

-

5 - 0

range.

reprint

and

and it will

'40

the

Lower

INSTALLATION AND

X-15B

COMPUTER

OPERATION

SONAR

MANUAL

Paper Saving'

APPROXIMATE PAPER SPEED

Feature

Without Alternate Transmit and Print

Minimum

LOWER

LIMIT

RANGE

Below 840 0.15 66 0.75

RANGE

(feet)

10-120

130-510 0.5 20 1.4 7.14

520-830 0.15 66 0.75 13.3

APPROXIMATE PAPER SPEED

With

LOWER

LIMIT

(feet)

10-120

130-510 020 50 0.8

520-830 0.15 66 0.75 13.3

Below 840 0.15 66 0.75 13.3

.

Paper Speed

Inches Hours Inches Hours

Per Mm Per Roll Per Mm Per

1.0 10 2.35 4.25

Alternate

Paper Speed Paper Speed

inches Hours Inches Hours

Per Mm Per Roll Per Mm Per Roll

0.5 20. t4 7.14

Transmit and Print

Minimum Maximum

Maximum

Paper Speed

.

Boll

13.3

12.5

LOWRANCE

LITHO usA 988-0096-07

I

12OOO E.

SKELLY

ELECTRONICS,

DR., TULSA,

OKLA. 74128

INC.

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INDEX

Specifications

Service Information
Introduction

How

It Works

Installation

Transducer

Basic

Suppressor

Paper Speed

GRAYLINE®
Range

Lower Limit
Upper

Lines...,

Marker
Scale

End Of

Zero

Adjust

How To

Selection

Operation

Limit

.•..

.

Paper

Read

:

Graphs

Pape Loading

Stylus Replacement

Stylus
Do's and

Troubleshooting
Advanced

Surface

Feet, Fathoms, Meters

Transmitter
Discrimination

Transmit and

Belt

Replacement..

Dont's

Operation

Clarity

Control

Pulse Width

Print Alternate

.

(SCC)

..

2
2
3
4
4

5
6
7
7
7
8

9
9
9

10

10
10

11

14
15

16
16

..17

17
18
18

20

21

whereas the

is

the

(4)

should be used
noise is

To use

tion,

noise

then

4,

nation)
immediate

of noise

Discrimination

the

the level is

vals

The Discrimination

be
ing

Example:

Press: 2

Result:

-

-—

Figure
Transmit

When

water-or if

serve

slow the

than the
However,

get
heavy

difficylt

also be lost due

strongest

present.

the Discrimination

simply press

rejection

press the

There should

Key.

change

present

bottom of the

entered

thereafter.

disabled at

-

0

DISC.

Enter a

level of

-

DISC

2-———

2'l

b0-—-t2

over

-—

——

0 50

40

and Print

using

you

paper,

it

paper speed

automatic

when
print"

printing

to read.

over an

A feature that

the

X-15B is the

highest

only

the level

deeired,

DISC

in the

on the

setting

paper

time

any

Discrimination

2.

——-

the

X-1 5B in

wish to

be

may

system

doing so, you

or

very dark,

Much detail can

to this.
is available on

Transmit and

value

level and

when

severe.

func-

of

from 1 to

(Discrimi-

be an

amount

The

paper.

is

printed

each time

and at inter-

function can

by press-

2

0-2—

Alternate

deep

simply

desirable to

even more

area that is

con-

allows.

may

Print

when
to

print

stead of

accomplishes

1.

Since the

every

recorded
have the

therefore

at

attainable, at slower
speeds. Also,

bers are
ing

2. Reduces

"wrap-around".

desirable
second or

printed

or middle

times this

or
to see.

3. Reduces the

fect. This

lower
can

quency

is

caused

nal

the

usually

plankton
schools. This

many

page. By
and Print

ter is

many

less
(same

not as

amount of noise

4.

Slows the
nificant

be

nate

21

Alternate function

activated,

every

every

other

them

other

frequency units,

happen

heavy,

becoming trapped
surface and the

lines to be

triggered

times

energy

amount of
often)

saved

Transmit and

causes

other

revolution in-

revolution. This

four

things:

stylus

only prints

revolution,

information doesn't

over

print"

records are

good

the scale num-

spread

more

the

on the

targets

models.

scattered

by

scattered

layers

enabling
function,

amount of

out

legible.

possibility

This is the un-

occurrence of the

third bottom echo

paper

of the

page.

can interfere

that

reverberation ef-

happens

on

higher

Reverberation

the

transmitted

in

or

causes a

printed

only

as

normal,

into the water

power, just

which reduces

seen.

paper

speed. A sig-

by

using

which,

the

stylus

the

problem,

paper

mak-

more,

of

at

the

top

Many

with fish

wish

you

but it

fre-

between

bottom,

heavy

great

on

Transmit

transmit-

half as

putting

can

on

sig-

the

the

mainly

noise marks

baitfish

the

the

paper

the Alter-

Print feature.

level

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resolution.

For

example,

transmitter
selected,

control is rotated
transmitter

850 is.

control to

unit to a 50

length.

Returning

The X-15B

transmitter
tom of the
ride the

distinguish
pulse
printed

will

to 100

initial
played

pulse length, simply press
keyboard

desired and then
PULSE

micro-computer.

from the other information

on the

P-100

print

micro-seconds.)

pulse

as

To

set the initial transmitter

key.

the initial transmit

150

micro-seconds, press

-

PULSE. This will

micro-computer's

set the initial transmitter

to 150

length

P-iso will

of the

paper

has

try

When an initial transmit
length

been confirmed.

is

set,

fixed for all

changed.)

To return control back to the

micro-computer, press
and the

micro-computer

thelnitial

Example:

Press; 1 -0- 0

Result:

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if a 50

pulse length

and the

Suppressor

to

pulse length

minimum will restore the

the

' transmitter

will

display

pulse length

when

paper

the initial

paper,

the

(if

would

length

P-SD.

initial

Its

is

maximum,

would be

Suppressor

pulse

the initial

at the bot-

ovei-

you

To

transmitter

the

graph

is set

pulse

A 50

Its

be dis-

the

on the

the initial

be

depth

pulse

Set the

pulse length
mipro-secqnds..

pulse length

the

press

For

example,

length

pulse

override the

selection and

micro-seconds.

printed

to

signify

this

length

pulse

at the bottom

that the en-

(Note:

pulse

will be

settings

-

0

will

lenth.

initial transmit

to 100

-

PULSE

to

set

to

- 5 -

1

until

PULSE

Select

———

2'i

•——..-..

—-———2b

Figure

39

Discrimination

Noise

pulses

complaint
about sonar

had the
system

quite

from the

Pulse

to the

it

increases the transmitter's

length
and causes

together

0

instead of two distinct

Discrimination is a

installed in the X-lSBs
micro-processor

process
ceiver,

are noise and
then

echoes.

Using

ted

increased,

high
munity

(The Suppressor

be

used

cancel OUT
noiSe

not

most often received

units.

patented

for

many years

effective at

display. (See

Width.)

Suppression system

The

which decreases resolution

targets

to

merge

the

output

determine which

eliminate

print

pulse

resolution and

can be

whenever

requfred.)

the

only

this

concept,

does not have to be

thsrefpre records with

achieved.

the Discrimination to

wth

heavy

There are four leyets of

crimination that can be
lowest value

(1)

20

are the

largest

Lowrance has

Suppression

which is

eliminating

Transmit

drawback

only

is that

that are close

one "blob"

into

image

program

that

enables it to

from

the e-

signals
them,

legitimate

the transmit-

noise

high

Control

interference

high

is the weakest

may

resolution is

Dis-

used. The

2—

Nfl

noise

pulse

irri-

er

SPECIFICATIONS
Depth Ranges:

Feet, fathoms,

Operating Frequency:

192 kHz
second); accuracy

percent.

Pulse

(duration

(192,000 cycles per

Length:

of

—

meters.

pplse):

X-15 B

is within 0.6

200-i

000p.s

(30-2000jis programable)

Operating Voltage:

Minimum: 10 volts•DC
Maximum: 15

Operating

0.7 to 1.8

printing density

power.

Output

Weight:

Dimension:

NOTICE

Power:

1600 watts

watts

(200

8.5 lb.
With

Width

Width

Periodically

(3.9 Kg)

Gimbal Mount:

-

Height

-

Depth
Instrument

-

Height

-

Depth

ducer Face with
to remove

collect. Oil and dirt on the face

volts DC

Current:

amps depending

and

output

typical peak-to-peak.

RMS)

121/4"

-

8%"

51/4"

Only:

91/2"

-

71/2"

5¼"

wash the Trans-

and water

soap

oil film that

any

may

on

will reduce

sensitivity

or

mey

even

prevent sounding.

GOT A

HELP!
sonar

chance to

for

tended

Write or call one of our Authorized
Service Centers or

Electronics,

vice
Call

are
partment may

the inconvenience of

yoUr

must be

structions will be

PROBLEM? LET US

If

have a

you

problem

unit, please give

before

help

repair.

Assistance can often be ex-

by telephone

Customer

Inc.,

Department

234-1452.

(918)

Please detail

experiencing.

in

the

Our Service De-

with

us a

sending

or letter.

Lowrance

the

Ser-

OK.

Tulsa,
problem you

be able to save

unit.

If it is determined that

returned,

returning

your

full

shipping

provided.

your

it in

you

unit

in-

1.

INTRODUCTION

The

Lowrance X-1SB is a

sophisticated
sounder. Thanks to a

the

puter,

other sonar unit

any

range

plus many

more.

Thanks to a

board,

at

changing

tom
boat
unit's

upper

per
more features.

Lowrance

full control of

your

conditions,

speed.

sensitivity,

and

speed, GRAYLINE,

system

Discrimination
ters out false

torting

synchronized

function to

under all

2.

electronically regulated

drives
the

per.

belt:
of the

made.
mark,

of the

Figure

the real

HOW IT

When the

a

right

The

When

paper

This is called

and

water. The

1

recording depth

X-l5Bcan

that

waterproof

fingertips

demands of

variable

combined with

conditions.

lightweight

edge
stylus

represents

GRAPH

to meet the

water

You can

suppression level,

lower

depth

The

patented

suppression

feature

signals

ones,

with

the GRAYLINE

provide

WORKS

clear

Unit is turned

belt

of the

is

éttached to

the

stylus

a small

PAPER

mark is

the zero

stylus

highly

micro-com-

do more than

in its

price

cost much

the

varying

depth,

select the

range, pa-

and

key-

system

bot-

and

many

the new

not

without dis-

but is

motor

located at

recording pa-

is

at the

the surface

continues

TI]

fil-

only

signals

an

on,

this

top

1 DRIVE

PAPER

TRAVEL

to move

while the sound

paper

traveling
when an echo is

lus

makes

The

paper.
which reflected the

read in feet
tion on the

is

scale

printed

The

paper speed

a

variable

by

one revolution of

narrow mark will

very
the

flexible

will move a small
the

next revolution.

blend into the
composite

will

be

a

this unit

operation
parts.

"Basic
everything

necessary
wide

you

-

Speed, GRAYLINE,

few
will be

tions.
mastered

the

some of

-

r—

2

made,

time.

Due to

The first

Operation"

variety

how to use

Sensitivity,

special

adequate

However,

X-15B,

_—

.--•

+-1STYLUS

L:

• i

-4-—PuLLEV

down the

edge

pulse

through

the

water,

detected,

another mark on the

of the

depth

by

comparing

paper

on the

speed

the

object

echO can be

to the

paper.

is controlled

motor.

stylus

be made

stylus,

but the

amount before

Each mark will

one before so that a

one

many

split

of the

mark at

tiny

features

into

"picture"

the

this manual

has,

section

section is entitled

and covers

that is

to use

absolutely

the X-15B in a

of

situations. It will

the basic controls

Suppression, Paper

functions. This

the basic

you may

features

the

PULLEY

DRIVE

BELT

STYLUS

Range, plus

for

most situa-

once

you

operation

wish to

described in

of

the

is

and

the

its loca-

depth

During

belt,

paper

target

that

has the

two

section

have

of

try

sty-

a

by

tell

a

the

Suppressor

control turned

down to minimum
for fish.

However,

to

have

resolution is not a
using

easier for

er

pulse coming

bottom or from

"Probability

The

probability

able to
from

deep

cause

has to

comes.
length,

is

tranmitted and

the

repeiver to detect

For this

puter
increases the initial

the unit
set

by

pulse
the unit

trol is

LOWER

LIMIT
(feet)

From 210 feet to 600

initial
same rate as the

ample,

to

260

pulse

the

LQWER LIMIT is

the initial

feet,
would

600 feet

it is

helpful sometimes

longer pulse

a

sonar in

deeper water,

the unit to

back

fish. This is called

of Echo

of the unit

detect an echo

water is diminished

the further the

the weaker it

travel,

By

broadening

in

essence,

reason,

in the X-15B

as

deeper

the

operator. (Note:

length

turned to

pulse length

is the

when the

10

20
30
40-200

with the

the initial

feet,

ouId be

length

be 390

and

minimum.)

(micro-seconds)

depth.

LOWER LIMIT set

transmit

below,

when

looking

width when

concern. When

it is

detect a

from the

Detection".

sound

the

a

larger signal

long-

being

returning

be-

pulse

be-

pulse

it is easier for

it.

the

micro-com-

automatically

pulse length

lower limits are

Initial

pulse

length

110

160.

200

feet,

For ex-

pulse

from

con-

the

If

Suppressor

INITIAL

TRANSMIT

PULSE
WIDTH

•130

increases at the

transmit

26Oxs.

set to 390

Finally,

the initial

pulse

length

micro-seconds.

The

transmit
be increased
at

time

any

pressor control
maximum
added

pulse

micro-seconds. In other

the

feet, and the

rotated

the

transmitter

be

1220

initial +

Earlier,

tionship

amount of

to the

length

LOWER

to the

micro-seconds.

800

we talked

between

target separation.

increases,
resolution is

the

of

olution
advantage

of

possible

transmitter

from

selects

Limit.

length
2000

board.
mitter

three inch
50

a

pulse

resolution!

pulse

The

The

p.s

half,

target

width is

becomes much

X-159

of this

to

override the initial

pulse

what the

according

initial

can be

p.s by

entering

By

setting

width to

pulse

resolution is

is

equivalent

and 30

length

No other

corder in the
give you

the
the

used
creasing

Discrimination
below can be

noise

19

this

initia( transmitter

suppressor

to cancel

the

and still have

remains at 600

pulse

from the

by

initial

is

LIMIT is set to

Suppressor control is

maximum

=

degraded.

allows

micro-computer

length

rotating

clockwise. The

pulse

transmitter

approximately

pulse

length

1220.)

about the rela-

pulse length

As

pulse

separaflon

decreased,

you

fact

by

length setting

can

initial

point

the

Sup-

length

aoo

words,

420

position,

would

(420

length

or

However,

res-

better.

to

take

making

to the Lower

transmitter

set from

p.s

is

equal

market

feature.

control can

out noise

pulse length

function

used to

pulse

30

it on

the

initial trans-

100

obtained,

to an inch

initial

transmit

to

one inch

graph

today

After

pulse

described

eliminate

good

ts

the

p.5,

re-
can

setting
length,

still be

in-

by

or

the

to
key-

a

and

if

and

if

it

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