Lowrance LRG-1510C User Manual

INSTALLATION AND OPERATION

MANUAL

MODEL LRG-1510C

GRAYLINE® RECORDER

Printed in U.S.A.

988-0055-08

LOWRANCE

•

12000 F. SKELLY DR.. TULSA. OKLA. 74128

ELECTRONICS,

INC.

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NOTICE

Periodically

move

any

sensitivity

oil

or

wash

film

may

Transducer Face with

that

even

collect Oil and dirt on the face will reduce

may

prevent

the

GOT A PROBLEM? LET US HELP!

It

have a

you

before

help

Assistance can often be extended

problem

sending

one of our Authorized

Customer Service

Please detail the

ment

be able to save

may

If it is determined that

tions will be

provided.

SCHEMATIC DIAGRAM AND PARTS LIST

Should rance TRUELINE

Electronics, Inc., sure and

SONAR INSTRUMENT

desire a Schematic

you

us the Model Number and Serial Number of

give

with

it in for

Department

problem you

RECORDER,

12000 East

your

repair.

Service Centers or the Lowrance

the inconvenience of

you

unit must be

your

Skelly Drive, Tulsa,

sounding.

sonar

by telephone

in

Tulsa,

are

experiencing.

Diagram send

$1.00

and water to re-

soap

unit,

please give

us a chance to

or letter. Write or call

Electronics, Inc.,

OK.

(Toll-free 1-800-331-3889).

Our Service

returning your

returned,

and Parts list for

to PARTS

full

shipping

your

Lowrance

LIST,

Oklahoma 74128. Be

Depart-

unit.

instruc-

Low-

your

25

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SPECIFICATIONS

Depth Ranges

Operating Frequency:

Pulse

Length: (duration

Operating Voltage:

Output

Current

Power:

Operating

Weight

Dimension:

Minimum .

Maximum.

With Gimbal Mount

Width 121/4'

Height Depth

—

LRG-1510C

of

pulse):

0- 30 feet

0- 60 feet

0-120

feet

0-360 feet

192 kHz second); accuracy

0.6

percent

volts DC

to 1.8

printing density

power.

900 watts

watts

(112

8.5 lb.

51/4"

(3.9 Kg)

Instrument

Width 9½"

Height

Depth

(192,000 cycles per

is within

its.

amps depending

and

output

on

typical peak-to-peak

RMS)

Only

7½" 5¼"

INDEX

What It Is .

How It Works.

What It Tells You

Installation Operation

Scale Sensitivity

Suppression

Paper Speed

GRAYLINE® ©

How To Read Paper Loading

Graphs

2 3 4 6

7 7

7

8

9

10

13

19

20 22

23 23

24

25

1

24

Stylus Replacement Stylus

Maintenance

Belt

Replacement

Do's and Don'ts

Trouble

Specifications

Shooting

How to Obtain Service

p

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WHAT IT

Sonar" is an

developed Sound

feet

—

when

second as

per

-

is

abbreviation

as a means of

transmitted

compared

_____

meaning

tracking enemy

through

sound

submarines

water — travels at

to 1100

through

SOUND

FASTER IN WATER AS IT

air.

and

ranging."

during

World War II.

approximately

DOES

navigation

TRAVELS MORE THAN 4

)DDDflflDDflDflfl) )flflflfl)

)I

It was

4800

TIMES

IN

AIR

DO SECTION

Do Do use the

Do use the post.

Do Do Do clean

paper.

a

carry

spare

tape

empty

carry a pencil

the recorded

keep

the

stylus

fuse,

sty!us

from a new roll or

cardboard core from

to make notes on the

graphs

and roll of

belt,

to attach

paper

the last roll of

paper.

for future reference.

belt and wheels with alcohol after

paper.

it to the

take-up spool.

on the

paper

every

five

take-up

rolls of

DON'T SECTION

4800 FEET PER SECOND IN WATER

In

simple terms,

transmitted into the water. When

Since the between the transmitted

speed

an electrical

impulse

is converted into a sound wave and

wave strikes an

the

of sound in water is known

and the received echo can be measured and

signal

obstacle,

—

and constant

it

rebounds.

—

the time

the distance to the obstacle determined. An electronic sonar unit can both send and receive the sound

them.

PRINCIPLE OF SONAR

TRANSMITTED

SIGNAL

ANDRECEIvED

((((((

waves,

(N

L

SIGNAL SENT BY

2

Fig.

The Lowrance Model LRG-1510C

cally designed

power, (112

line"

gray

that even a

identified. Full control of the

demands of

for

watts

capability,

single

varying

can select the unit's

paper speed,

information. The

filters out false with the

permanent

and the

signals

line function to

gray

record of what

TARGEt TIME

fishermen. It has 900 watts

sport

features

RMS)

and

fish

system

patented

provides

hovering

is at

bottom

conditions,

sensitivity setting, suppression degree

Lowrance variable

without

provide

your

as well as

LAPSE INDICATES DISTANCE TO

recorder is a

graph

to read

easy

easy-to-read

nine inches off the bottom is

just

your finger tips

water

of

distorting

line" used to enhance

gray

the real

clear

sonar has "seen"

time, measure,

LOCATOR BOUNCES

straight

graphs

to meet the

depth

suppression system

ones,

signals

under all conditions. The

is rolled and stored inside

and record

I

BACK FROM

TARGET

compact

typical

line

and boat

level, depth range,

but is

unit

specif

peak-to-peak

recordings,

with

such

changing

speed.

the

recorded

not

synchronized

has a

clarity

easily

only

You

the case.

2

DON'T OPEN THE CASE WHEN THE UNIT

Don't Don't store Don't Don't rotate the Don't use

the

pull

forget

oily

platen assembly

any objects

to

tape

stylus

cloths,

inside

the

paper

belt

strong

down when the

the case or behind the

to the

take-up

up.

solvents or abrasive cleansers.

TROUBLESHOOTING

SYMPTOM WHAT TO DO

A.

On/Off

stylus

B.

On/Off

i-

zero

tom

C. The unit is

switch is

and

switch is

mark,

signals

"ON",

but the

have

paper

"ON",

don't move

but no echoes or bot-

ON,

but

paper

does

not move

D. Recorder marks are faint or dim D, Clean

E.

Recordedmarksareveryheavy;

is torn

paper

by stylus

A. Check

B. Be sure the transducer is

C.

E. Bend the

IS ON.

at the front,

is

stylus

viewing

core.

check connections

fuse;

at

battery; tighten power

connector

into the unit and the trans-

ged

door.

cord

plug-

duceris in contact with the water

Tape Paper

on

take-up post

stylus

to cardboard

viewing door; replace

stylus slightly

pressure

on

paper.

spoo1

the

to reduce

23

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MAINTENANCE

NOTE: The platen assembly

the

platen

to remove

Black carbon dust is created oil-free

pressure compressed

from After

should be carbon dust.

stylus may

is

when

changing

stylus.

to clean the

rag

moving parts/f

five rolls of

every

wiped

Strong

All mechanical connections

haven't DO NOT DO NOT wash the unit

remove salt

HIGH VOLTAGE is

attempt

electronic section. Corrosion

splices, checked

The face of the

periodically

oily

worked loose.

any type

appy

accumulations, dust,

should be made

occur

may

or at the

periodically

transducer,

with mild

film. This is essential to have

the water.

Periodically, cloth

page

the rubber roller

dampened

16,

Figure 29).

with

be

damaged

down.

pulled

the

viewing

air

may

the air is

paper,

clean with a soft

solvents or abrasive cleaners should not be used.

should be checked

of lubricant to the motors or

with

running

present

in the transmittersection when the unit is ON. No

by any

at the

power plug,

battery

connections.

cleaned as

and

if mounted on the transom should be washed

water to remove

soapy

alcohol,

it

if

is

A/ways

paper

during

move the

rolls. Rememberto

the

door and metal

in front of the

to the back side

stylus

move the belt down

recording process.

platen

behind the

platen

Use a

when the

paper.

be used to blow dust out of the case and

and free of oil.

dry

the

or road

unauthorized

belt and the wheels

stylus

moistened with

rag

water.

grime

in the fuse holder or

periodically

Wiping

is all that's

person

alcohol to remove

gear

it with a

to

modify

it rides on

to be sure

trains.

cloth to

damp

necessary.

or

repairthe

power

All electrical connections should be

with 400

accumulated road

any

grit sandpaper.

grime

drive should be cleaned with a

good

on the

to

improve

necessary

contact between the transducer and

paper

the friction on the drive shaft.

of

soft,

Low

away

they

cord

or

(See

HOW IT WORKS

When the unit is turned lightweight

stylus

transmitter is

is called the zero

Depth: 35 ft.

belt located atthe

is attached to this belt. When the

triggered

Fieh: 17 ft.

TRULINE RECORDER BOTH SEND AND RECEIVES SIGNALS. S.

RECEIVED SIGNALS ARE INDICATED ON GRAPH PAPER.

and a small mark is made at the

and

mark,

—

an

on,

right edge

represents

PAPER

TRAVEL

electronically regulated

of the

recording paper.

is at the

stylus

top

the surface of the water.

DRIVE

BELT

STYLUS

PULLEY

motor drives a

The

of the

marking

paper,

paper.

Fig.

This

Fig.

the

3

4

The

pulse

C

• ;

stylus

reflected the echo can be read in feet

to the

A variable

the

revolution of the

stylus, Each mark will blend into the one

target

22

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continues to move down the

stylus

is

traveling through

makes another mark on the

scale on the left side of the

depth

motor drives the

speed

will burn it to leave a

stylus

but the

will be

stylus

paper

made,

the

a

belt,

will move a small amount before the next revolution.

one

very

tiny

of the

edge

and when an echo is

water,

The

paper.

depth

by comparing

viewing

paper graph. (The paper

permanent,

black

narrow mark will be made

before,

mark at a time.

so that a

composite "picture"

while the

paper

detected,

the

of

its location on the

area.

object

is treated so that

mark.) During

the flexible

by

sound

the

which

paper

one

of the