Lowrance LMS-10 LORAN User Manual

LMS-1O

Loran -c

Receiver

AND OPERATION

ELECTRONICS,

DR., TULSA,

OK 74128

INC.

LITI-lO IN U.S.A. 988-0116-03

INSTALLATION

INSTRUCTIONS

•LOWRANCE

12000 E. SKELLY

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WARNING!

THIS LORAN SHOULD BE USED ONLY AS AN AID

TO NAVIGATION. A

SHOULD NEVER RELY ON ONLY ONE METHOD

TO OBTAIN POSITION

MAKE CERTAIN THE

CORRECT POSITION IN

BEFORE

POSITION MUST BE CORRECT FOR THE

NAVIGATING WITH THIS PRODUCT. THE

TION

FEATURES

PROPERLY.

CAREFUL NAVIGATOR

INFORMATION.

NOTICE:

LORAN IS DISPLAYING THE

LATITUDE/LONGITUDE

NAVIGA-

IN

THIS UNIT TO WORK

170°

75

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TABLE OF CONTENTS

NORTH PACIFIC LORAN-C CHAIN GR1 9990

REGONAL MANAGER COMMANDER. PACIFIC MREA.

CHAIN MANAGER:CDMMANDER. 17TH CDASTGUARD DISTRICT. COORDINATOR

CONTROL SITE: LORMDNSTA

D53IG. STATIIY4 COOn.

MASTER St PALL

XRAY ATru

YANKEE

ZULU NR0W

OF CHAIN

AK

PORT CLARENCE

AK

CAPEAK

OPERATIONS

170 l000.eW

173 1040.0!

1605312.6W 3058,05

162= 113W 3600.45

AK

KODIAK,

COSU.

670912301

624944.ON

0t14403N 2t000/

57262029) 43000/

11000/

3a7L25

LOCATION:

luuI

ALAMEDA.

LORMONSTA KODIAK.

XMTTrER

ANTFFN.42 325 625 FT

ANTFPW-42 320 62SF]

MVFR4-42

AN/FPN44A

CA

PWR

1KW)

JUNEAU,

ANTENNA

AK AK

TRANOENT

MOIOPOI.E

601OLE

10 1350 Ft

601tW0L5

400 626

0fl4oPCt0

604

ECD

0.0

.0,6

0.0 OUAL RA1E W/OHI7000

FT

NOTES

LORAN-Genera]

ACCURACY

HOW LORAN-C WORKS

INSTALLATION INSTALLATION - LC-1

POWER CONNECTIONS LORAN OPERA11ON- INITIALIZATION SELECT CR1 ENTERING INITIAL POSITION - LAT/LONG

CYCLE ERRORS AND SNR

AUTOMATICAND MANUAL

MANUAL STATION SELECTION

Viewing

Selecting

PRIMARYANDALTERNATESOLUTICNS DISPLAY - Overview TD/LL HEADING

TIMETO GO DISTANCET000(DTG)

SPEED OVER GROUND VELOCITY MADE GOOD 19

TRUE/MAGNETIC BEARING CROSS TRACK ERROR

CROSSTRACKERRORPERARROW SIGNALTO NOISE RATIO

Fix DUALITY 22

I-IOWTOSAVEAWAYPOINT

Saving Enter New

Enter New

ERASING A WAYPDINT 28 WAYPOINTRECALL WAYPDINTCOUNTEROFFSET

GOTOWAYPOINT 28 VIEW DESTINATION WAYPDINT 29 VIEW STARTING WAYPOINT 29

ROUTES 29

Creating Following Can00lling Eraaing

ALARMS

AnochorAlarrn 32

Arrival

ASF CORRECTION

NMEA OUTPUT

24HOURCLDCK-TIMER 36

LIGHTS CLEAR LOWER DISPLAY 37

Fl and F2 38

RESTARTLDRAN

SeledNewORI 39

Enter New Initial Poaition

RESET 41 VIEWING T.D.S IN USE

MAGNETIC VARIATION 42 VERSION NUMBER

STAT SIMULATOR

HOW TO OBTAIN SERVICE

COMMAND LIST KEYBOARD 2nd FUNCTION LIST 45

FACTORY DEFAULTS

-

Unil

DpIay

Loran-C Module 4

MODES ID

Stations in Use

Reornerided Stations

Stations

(HDG)

(TIC)

(X1E)

(SNR)

Current Position

Waypoint - LatitudelLongitude

Waypoinl

a Route

a Rowe 31

a Route

Alarni

-

TDs

(Quick

Save

Feature)

3

7

12

12 12 13 14 15 16 17 17 18 18

19

20

21 21

22 22

23 25

27 28

29

31 31 31

32 35 36

39

40 42 42

42 43 43 44

45

1 1

1

8

Copyright

All features and

©

1989,

All

rights

Lowrance

reserved.

specifications subject

Electronics,

to

change

Inc.

without notice.

74

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LORAN-C

ICELANDIC CHAIN

9980

GRI

LEGEND:

• TRANSMITTiNG

CONTROL

o

MONITOR

*

73

Approximat.

4 NM Fix

M SANDUR W ANGISSOQ

X EJDE

Limit of

Accurmey jSG%

—-1:3 SNP

Conre

2dRMS). Noise 46dB

md

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LORAN - GENERAL

ICELANDIC LORAM.C CHAIN GRI 9980 REGIONAL MANAGER. COMMANDER COASTGUARDACTIVITIES

CHAIN MANAGER COMMANDER COASTGUARO ACTIVITIES EUROPE. LONDON, COORDINATOR OF CHAIN OPERATIONS LOCATION LORMONSTA KEFLAVLK.

CONTROLSITE;LORMONSTAKEFLAVIK

D55. &ATJa1 C(R.

56867EA SN4DUA

W24EKEY ANGIS000

XAAY

ICELAND

OAES4LAND EJDE.FAEAOE

IS..OESWFK

6454 26.64

5521,5W

5959 I7N

451627.5W 6217 55.64

0704 26,5W

ICELAND

CDULS.

Iv,) (MITtEn

AWFFSJ.45 '500 I350FT

11055!-

4068.62 35555!

2814$4

NQFFW4S

5flIOLE

NWFPN-44 MIY4C9OLE

EUROPE, LONDON,

PWR

TRMSSMff ANTB4MA

1KW)

Ma40Pa6

765 625 FT +1.0 DUAL RATE W?09l7920

325 625 FT 0.0 DUAL RATEOWI757O

UK

ICELAND

UK

N62I LCD NOISE

0,0

The word "LORAN" is short lion

system

that uses

ters and sensitive receivers. With this position

Loran was was

over

developed

called Loran-A and

development

was introduced in the sixties. It works over

C,

distances.

long

continued

for

powerful

and used

operated

during

LOng RAnge Navigation.

low

frequency (100

system, you

during

the

World War II.

at a

higher frequency.

fifties. The

Loran-A and it's easier to use.

ACCURACY

The absolute

accuracy

miles, depending

to return to the same

between the two

tells your way

However, numbers above

affects the chance for

where

you

back to the same

the

accuracy you experience may

accuracy.

position

you

suggest.

can be as low as

of Loran is between 0.1 and 0.25 nautical

on

types

thirty degrees

location.

your

is 100 feet

spot)

of

accuracy

are on the

place

The

sharper

error. A

ninety degree crossing angle

Repealable accuracy (your ability

or

is

important.

map. Repeatable

time after time.

crossing angle

the

crossing angle,

without a

kHz)

can determine

current

longer

better.

The

Absolute

accuracy

not be as

of the lines of

large position

It's a

naviga-

radio transmit-

your

At that

time it

Research

version,

Loran-

distances than

difference

accuracy

lets

you

as the

good

position

the more

is

error.

best,

but it

and

find

If

wish to double check

you

that is Once

clearly

marked with

you arrive,

let the Loran

your Loran,

latitude/longitude

settle,

information on the LMS-1 0 to the chart. It should be

first

then

pick a spot

marks. Then

compare

the

on the chart

go

position

close.

very

to it.

HOW LORAN-C WORKS The Loran

system

are called a "chain." The letter inside the chain. The other stations

Their names are

secondary

stations. The

the master which transmits at

is called the

consists of three to five transmitter stations. These

W, X, Y,

and

secondary

Group Repetition

"M"

designates

in

the chain are the secondaries.

Z,

although

transmitters are

precise

time intervals. This time interval

Interval or GRI. Each chain has a

the master station

not all chains have four

synchronized

with

different GIRl.

72

1

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The

secondary

stations transmit at

precise

time intervals after the

master station transmits. Since these transmitters are dreds of miles transmitter

to

reach

difference between the master and two of the 10

automatically

location. The

Plotting

time difference or

TO

the

somewhere on a line of

line on which

nary

secondaries is the

it takes a different time for

apart,

The Loran

you.

receiver measures this time

the

secondaries, the LMS-

chooses the best

master-secondary pairs

is measured in

(TO)

on a chart with Loran-C lines results

position (LOP).

the time

same.

In

delay

this

example

A line of

between the master and one of the

position

the boat is located some-

signals

with

where on the 14605.2 LOP.

located hun-

from each

for

your

micro-seconds.

your position

is an

imagi-

LORAN-C

NORTHWEST PACIFIC CHAIN

9970

GRI

The Loran receiver then measures master and another

this LOP on a

plot position.

Your

secondary.

chart,

position

you'll

is at the

the time difference between the

In this

notice

intersection of the two lines.

example

that it crosses the first line-of-

it's 31882.8. If

2

you

0

I

—

—.

.,

1

—-_

Asprnlwdn

)M

S

II

W

X HOXXAIDO

LS,t of

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£ncy (P5% 2flMS(.

IWOJIMA

MARCUS IS.

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t.nr.p

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Pa... 44d1

C

-.

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All Loran-C receivers work on this

also

display latitudeflongitude.

and, using longitude position longitude

a

complex

data. You can

on the LMS-1 0 to determine

mathematical

The receiver takes

principle.

formula,

display

your

Most modern receivers

the TD information

converts it to latitudef

both TD's and latitude!

position.

NORThWEST PACIFIC LORAN.C CHAIN CR1 9970

REGIONAL MANAGER COMMANDER. PACIFICAREA, ALMAEDA, CA. CHAIN MANAGER COORDINATOR OFCHAIN OPERATIONS LOCA11ON. COMMANDER. FAR EASTSECTION. YOKOTA, CONTROL SITE

DES'S. &ATTa4 CDOR.

MASTER M0JI

WHEXEY IMRCUEISLAND

XMY HOKKAIOO

YANKEE GESASHI

ZULU BARRIGADA 1327E0.IN

COMMANDER,

LORMONSTAYOKOTA,

JAPAN

14THCOASTGUARD DISTRICT,I-IONOLULU, HI

JAPAN

244E03.E14

141193020

241707.914

153 58 53,2E

424437.111

1134309.25

283825.011

1280886.45

444933.00

COBIL

lusI

110801

4283.58 ANIFPR145 38080!

8686.17 58080/

448328

2528.84$ 81080

XMITrER

AWFFN-45 1815

AN/FPW4S 800

ANPPN'IS 828 FT

PWR (XW}

2150

500

WNSMFr

ANTENLA

1380FT

Magopa.E

1280 FT MWOPOLE 0.0

G2SFT

Ma4OPOLE

Ma40LE

7SOFT

N0l

EUD NOTEE

0.0

0.8 DUALRATEW/0RI5970

0.0 DUAL RATE W10918970

JAPAN

It

wish to know more about

you

Coast Guard's book book that describes Loran in

"Loran-C USER HANDBOOK."

greater

Loran-C User's Handbook COMDTINST

Superintendent

U.S. Government

Washington, Code

#050-012-00171-5,

There is a small

INSTALLATION Mount the

clearance when it's tilted

Ml 6562.3

Documents

of

Printing

D.C. 20402

charge

-

Display

display

unit in

Office

1980

for the book.

Unit

convenient location,

any

for the best

bracket's base allow wood screw

of

piece

plywood

hardware Make certain

the

power

and Loran module

on the back of thin

there is

cables.

Loran-C,

detail.

viewing angle.

or

through

panels

enough

order the United

States

It's an excellent

provided

there is

Holes in the

bolt

mounting.

to secure the

room behind the unit to

Place a

mounting

attach

70

3

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You can

mounting hole,

the

cover the hole.

route the cables

surface.

then

pass

the

through a three-quarter

First,

bring

cable down it. After

power

hole with silicone rubber adhesive

Route the cables

the Loran

(RN).

through

inch

hole

module's cable

routing

the

Offset the bracket to

the slot

SLOT

in

the bracket.

in

up

through

cables,

the

fill

INSTALLATION

Enclosed with

tains the for the

tennas, wires, masts, ferred,

complete

LC-1,

however for

highest part Make certain it is as far

Improper performance close to

places

and

You must antenna.

metal

the Loran

obstructed.

purchase The threads are standard 318"-24 for the

mount base is most

The base

mounting

(NOT pipe thread).

hardware.

Tighten

all hardware

-

LC-1 Loran-C MODULE

the LMS-1O is a LC-1 Loran-C module. This con-

your

loran

receiver. When

remember to install the

or other

lightning protection,

obstructions.

of the boat. The antenna

as

away

can also occur if the antenna is mounted too

objects

such as tuna towers.

assembly

an

eight

commonly

threads are conventional 1"-14 machine thread

This allows the use of standard antenna

securely.

possible

in the clear is

foot stainless steel or

used to mount the Loran

4

choosing a mounting

LC-1 where it's clear of other an-

A

high

location is

location

pre-

the antenna shouldn't be the

should be mounted

vertically.

from VHF radio antennas.

Again,

preferable

a location

to

one that is

that

high

fiberglass whip

A

whip.

ratchet

to the boat.

mounting

69

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The cable

supplied

cable lilt's too

with the LC-1 is

Instead,

tong.

coil and store it out

thirty

feet

Do not cut the

long.

of

the

extension cable is available it the cable is too short. Ask

call

your

Service

local service center or the Lowrance

department

for more information.

Factory

Customer

way.

your

An

dealer or

NORTHEAST U.S. LORAN-C CHAIN GRI 9960 REGIONALMANAGERCOMMANDER.

CHAIN MANAGER

COORDINATOR OF CHAIN OPERATIONS

CONTROL SITE: LORSTA

00210. STATIa4

WASTER

WHISKEY

XRAY NNJI1JCKET

YAM(EE CARQJ(A

ZLLU DANA *4 3551 (7.91 540

COMMANDER. ATLANTICAREA, NEWYORK, NY

SENECA, NY

NY 424250.621

SENECA,

I.E

CARIBOU,

MA

EECH,NC

ATLJTICAREA.

LOCATION: LORSTA SENECA, NY

CDEU.

COCA.

754933.9W

4648271

575537.7W

4115 ThEI.

555835.1W

340346.IN

775446.7W

6729121W 3152.20

(56)

Il0

2757.20

250

1502.93 39060!

3221.64

PWR (KWI

NY

IRAPffiMIT

ANTBNA

700FT'

-

MGIOFOLE

MG4OFOLE

M4OPQ.E

POH ECU NOIES

0.0 DUAL RATE 500915972

DUAL RATE W/0RI5930

'5.5 DUAL RATE W!0R18570

NEWYORK.

XMTTER

MOIFFT'144 800

(56HC0SI

N4WP9442 360 SLT 0.0 DUAJ. BAlE W/OBE93O

MUFPR412 320 525 FT 05

WFFI4A2 550 'TIP 0.0 DUALRATEW/ORI7SSO

A9UFFS+44 460 625 PT

The LC-1 can

it desired.

mast,

be attached to a swivel bracket or hollow extension

POWER CONNECTIONS

The LMS-1

attach the

have cable

#18

The

positive lead,

0 works from a twelve-volt

power

problems

directly

gauge power

to an

cable

with electrical

to the

battery.

wire onto it.

cable has three

black is

negative

accessory

interference,

If the cable is not

wires; red, white,

or

ground.

holder to the red lead as close to the

if

example,

power will

buss,

protect

The white wire is for a data for an

end so that it cannot short.

the

tape

have to extend the

you

attach the fuse

both the

unit and the

NMEA interface. The LMS-1 0 sends

autopilot through

To "P"

connector

power

holder to the

power

this wire. If the white wire is not

battery system only.

or

power

buss,

then attach the

long enough,

You can

however if

power

splice

and black. Red is

Attach the

power

cable to the

battery

source as

in-line fuse

battery

or

power

possible.

or

buss. This

cable in the event of a short.

used,

you

the

For

steering

SPUCE AND TAPE.

TO AUTOPILOT'S

68

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NMEA INPUT

5

FUSE

HOLDER

To connect an cable from the

Guide's and the shield to the black wire on

power

the shield to the

instructions.

wiring

autopilot autopilot's

cable. Solder the

autopilot.

to the

NMEA

See

LMS-1O,

your autopilot's

attach a

to the white wire on the Nay-

intput

the

conductor

power

ground

shielded,

of the twisted

cable. Do not connect

manual for more

twisted

pair

Once the cable is See the NMEA

LORAN OPERATION

connected,

Output

Initialization

The Loran must be used. It then off. If used the

To initialize the

message

don't travel

you

Loran,

"initial

initialized or "told where it is" the

retains ft's

you

Loran,

coupler",

LREOLORTD1

the

proper

section for

have to

press

in

the ON

position

over a hundred miles from the last time

shouldn't

first

then the

output

more information.

memory

repeat

key.

following

5

must be selected.

very

each time

this

You should see the

screen

power

step.

appears:

TD2

first time it's

is turned

you

5Q0

40°

You can initialize the loran either

latitude/longitude

Press the TDI

the GRI.

Initial Position" are shown next.

Operation

coordinates,

to select the initial

key

instructions for the "Select GRI" menu and "Select

or

by entering your present position by entering

position,

6

the GRI for

or the TD2

your

key

in

area.

to use

67

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SELECT

GRI

U.S. WEST COAST LORAN-C CHAIN CR1 DO40

REGIONAL MANAGER COMMANDER. PACIFIC AREA. ALAMEDA, CA CHAIN MANAGER COMMANDER. PACIFIC AREA. ALAMEDA. CA COORDINATOR OF CHAIN OPERATIONS LOCATION LDRSTA MIDDLETOWN, CA CONTROL SITE: LCRSTA

DESIS- SIATIaI ODOR-

MASTER FALOCH.

WHIGKEY

OMY MIDDLETOWN

YANKEE SEARCHLIGHT

0EOR00

CA-

NV-

MIDDLETOWN,

WV 3033066W

11649 56.4W

WA 470348.0W

1104439.6W

3046 570W

1332944.5W

361910.2W

1144817.4W

CA

C040.L

los)

110001

270690

270

1254.00

400

1067.30

PINE

008T1E5

MJIFPN44A

AI81Pt445 1600 50.T i-OS DUALRATEW(ORIS990

AMIFPO4-44A

Ma4OPOLE

AW'Ffl14l 640 SIT 0.0

111.445081 ANTEHNA

0KW)

400 5

400 030 Fr +0.5

F

Ma4DPOLE

NGl

ECD NOTES

+1.0

Use this menu if

coordinates.

menu,

the screen below

step through

ENT

(enter)

Remember, (clear) key

After

the GRI's until

key

if

you

to exit from

don't know

you

you pressed

should

to select

the GRI in the window.

have a

any

your position

the TD2

appear.

arrive at the desired GRI. Press the

you

problem, you

in

latitude/longitude

from the initialization

key

Use the

can

TD1

always press

and

menu.

TD2

keys

the CLR

to

After the ENT

key

is

pressed,

a

message

on the screen

appears

The LMS-tD then flashes numbers on the is not usable for

position

tude. The LMS-1 0 is

selected.

you your position,

longitude

Once the Loran 'locks on" to the stations and

will

it

coordinates should be

information while it flashes the

actually searching

stop flashing.

for the stations

Your

present position

displayed:

Lat/Long display.

The Loran is now

The unit

Latitude/Longi-

in

chain

the

computes

in

latitude/

for

ready

navigation.

If the unit

see the section on

displays a Latitude/Longitude

Primary/Alternate

66

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that is not

solutions.

7

your

actual

position,

ENTERING THE INITIAL POSITION

-

LATITUDE/LONGITUDE

The LMS-10 selects the tion. To enter the initial turned see the screen below.

on,

press

N

the TD1

proper

position

GRI

to use when

the

very

at the initialization

key

first time the

a a a a. a a

0

w

a a a a a a a TD2

Now enter

of the

enter the numbers from the twice to return to the GRI/LAT/LONG selection

your present latitude, using

If

display.

you

make a

beginning. (Note:

mistake,

the numeric

the CLEAR

press

you input your posi-

LMS-1 0 is

menu. You should

at the

key

bottom

and re-

key

keys

Press the CLR

menu.)

After

you've

Remember to enter a

less than 100 enter 0850000.

entered the

zero as the first number in the

degrees.

N

latitude,

For

example,

do the same with the

longitude

if

your longitude

longitude.

if it's

is 85

degrees,

33°2'{29'

w

J

IB°Q2.3S.

8

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65