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TS-60S

50

MHz

ALL

MODE

TRANSCEIVER

INSTRUCTION

MANUAL

KENWOOD

CORPORATION

©PRINTED

IN

JAPAN

B62-0410-00

(K,

E}

(MC)

9412

1110987654321

93121

GOO/ANA

IMPORTANT

SAFETY

INSTRUCTIONS

SAFETY

PRECAUTIONS

Please

read

all

safety

and

operating

instructions

before

using

this

unit.

For

best

results,

be

aware

of

all

warnings

on

the

unit

and

follow

the

provided

operating

instructions.

Retain

these

safety

and

operating

instructions

for

future

reference.

Thank

you

for

purchasing

this

new

transceiver.

Notice

to

the

user:

One

or

more

of

the

following

statements

may

be

applicable

to

this

equipment.

FCC

WARNING

This

equipment

generates

or

uses

radio

frequency

energy.

Changes

or

modifications

to

this

equipment

may

cause

harmful

interference

unless

the

modifications

are

expressly

approved

in

the

instruction

manual.

The

user

could

lose

the

authority

to

operate

this

equipment

if

an

unauthorized

change

or

modification

is

made.

required

by

the

FCC:

This

equipment

has

been

tested

and

found

to

comply

with

the

limits

for

a

Class

B

digital

device,

pursuant

to

Part

15

of

the

FCC

Rules.

These

limits

are

designed

to

provide

reasonable

protection

against

harmful

interference

in

a

residential

installation.

This

equipment

generates,

uses

and

can

generate

radio

frequency

energy

and,

if

not

installed

and

used

in

accordance

with

the

instructions,

may

cause

harmful

interference

to

radio

communications.

However,

there

is

no

guarantee

that

the

interference

will

not

occur

in

a

particular

installation.

If

this

equipment

does

cause

harmful

interference

to

radio

or

television

reception,

which

can

be

determined

by

turning

the

equipment

off

and

on,

the

user

is

encouraged

to

try

to

correct

the

interference

by

one

or

more

of

the

following

measures:

--

Reorient

or

relocate

the

receiving

antenna.

--

Increase

the

separation

between

the

equipment

and

receiver.

--

Connect

the

equipment

into

an

outlet

on

a

circuit

different

from

that

to

which

the

receiver

is

connected.

--

Consult

the

dealer

for

technical

assistance.

Information

to

the

digital

device

user

i

1

Power

Sources

Connect

this

unit

only

to

the

power

source

described

in

the

operating

instructions

or

as

marked

on

the

unit

itself.

Power

Cable

Protection

Route

all

power

cables

safely.

Ensure

the

power

cables

can

neither

be

walked

upon

nor

pinched

by

items

placed

near

or

against

the

cables.

Pay

particular

attention

to

Jocations

near

AC

receptacles,

AC

extension

bars

and

points

of

entry

to

the

unit.

Abnormal

Odors

The

presence

ot

an

unusual

odor

or

smoke

is

often

a

sign

of

trouble.

immediately

turn

the

power

OFF

and

remove

the

power

cable.

Contact

a

dealer

or

the

nearest

service

center

for

advice.

Electrical

Shocks

Take

care

not

to

drop

objects

or

spill

liquids

into

the

unit

through

enclosure

openings.

Metal

objects,

such

as

hairpins

or

needles,

inserted

into

the

unit

may

contact

voltages

resulting

in

serious

electrical

shocks.

Never

permit

children

to

insert

any

objects

into

this

unit.

Grounding

and

Polarization

Do

not

attempt

to

defeat

methods

used

for

grounding

and

electrical

polarization

in

the

unit,

particularly

involving

the

input

power

cable.

Ventilation

Locate

the

unit

so as

not

to

interfere

with

its

ventilatian.

Do

not

place

books

or

other

equipment

on

the

unit

that

may

impede

the

free

movement

of

air.

Allow

a

minimum

of

4

inches

(10

cm}

between

the

rear

of

the

unit

and

the

wall

or

operating

desk

shelf.

Water

and

Moisture

Do

not

use

the

unit

near

water

or

sources

of

moisture,

For

example,

avoid

use

near

bathtubs,

sinks,

Swimming

pools,

and

in

damp

basements

and

attics.

IMPORTANT

SAFETY

INSTRUCTIONS

a

ee

el

8

Outdoor

Antenna

Grounding

14

Damage

Requiring

Service

2

10

11

12

13

Adequately

ground

all

outdoor

antennas

used

with

this

unit

using

approved

methods.

Grounding

helps

protect

against

voltage

surges

caused

by

lightning.

It

aiso

reduces

the

chance

of

a

build-up

of

static

charges.

Section

810

of

the

National

Electrical

Cade,

ANSI/NFPA

70,

provides

information

with

respect

to

proper

grounding

of

the

mast

and

supporting

structure,

grounding

of

the

lead-in

wire

to

an

antenna

discharge

unit,

size

of

grounding

conductors,

location

of

antenna-

discharge

unit,

connection

to

grounding

electrodes,

and

requirements

for

the

grounding

electrode.

See

the

accompanying

illustration.

EXAMPLE

OF

ANTENNA

GROUNDING

AS

PER.

NATIONAL

ELECTRICAL

CODE

pb

ANTENNA

"T

DISCHARGE

UNIT

PNEG

SECTION

B10-201

‘GROUNDING

CONDUCTORS

ANEC

SECTION

810-211

GROUNO

CLAMPS

——"

POWER

SERVICE

GROUNDING,

ELECTRODE

SYSTEM

NEC

—

NATIONAL

ELECTRICAL

CODE

IMEC

ART

250,

PART

Hi

"Power

Lines

Minimum

recommended

distance

for

an

outdoor

antenna

from

power

lines

is

one

and

one-half

times

the

vertical

height

of

the

associated

antenna

support

Structure.

This

distance

allows

adequate

clearance

from

the

power

lines

if

the

support

structure

should

fall

for

any

reason.

Heat

Locate

the

unit

away

from

heat

sources

such

as

radiators,

stoves,

amplifiers

or

other

devices

that

produce

substantial

amounts

of

heat.

Cleaning

Do

not

use

volatile

solvents

such

as

alcohol,

paint

thinner,

gasoline

or

benzene

to

clean

the

cabinet.

Use

a

clean

dry

cloth.

Periods

of

Inactivity

Disconnect

the

input

power

cable

from

the

power

source

when

the

unit

is

not

used

for

long

periods

of

time.

Servicing

Remove

the

unit’s

enclosure

only

to

do

accessory

installations

described

by

this

manual

or

accessory

manuals.

Follow

provided

instructions

carefully

to

avoid

electrical

shocks.

If

unfamiliar

with

this

type

of

work,

seek

assistance

from

an

experienced

individual,

or

have

a

professional

technician

do

the

task.

Enlist

the

services

of

qualified

personnel

in

the

following

cases:

a)

The

power

supply

cable

or

plug

is

damaged.

b)

Objects

have

fallen,

or

liquid

has

spilled

into

the

unit.

c)

The

unit

has

been

exposed

to

rain.

d)

The

unit

is

operating

abnormally

or

performance

has

degraded

seriously.

e)

The

unit

has

been

dropped,

or

the

enclosure

damaged.

GENERAL

DESCRIPTION

Thank

you

far

purchasing

this

new

KENWOOD

compact

transceiver.

This

transceiver

has

many

powerful

features.

To

gat

the

most

out

of

these

features,

we

suggest

you

read

this

instruction

manual

carefully,

and

keep

it

handy

for

further

reference.

This

transceiver

provides

these

main

features:

1

This

radio

is

so

compact

that

you

can

easily

transport,

install

and

operate

from

either

a

portable,

mobile

or

fixed

station

installation.

2

Setting-up

transceiver

functions

is

simple

with

the

easy-to-use

Menu

System.

The

transceiver

delivers

dozens

of

functions

required

by

hams.

3

The

Busy-Frequency

Stop

automatically

stops

scan

on

a

busy

frequency.

Time

Operated

and

Carrier

Operated

modes

are

provided

for

this

function.

4

The

tuning

control

automatically

changes

the

frequency

step,

depending

on

how

fast

the

control

is

rotated.

(Achieved

by

a

“fuzzy

logic"

control

technique).

5

The

TF-SET

function

allows

changing

the

transmit

frequency

while

still

listening

to

your

received

signal.

6

The

Automatic

Power

Off

function

switches

off

the

power

if

the

transceiver

has

not

been

operated

for

approximately

three

hours.

7

The

MC-47

microphone

allows

assigning

four

control

functions

to

the

microphone

PF

(Programmed

Function)

keys.

In

addition,

this

transceiver

offers

many

other

transceiver

functions,

even

though

it

is

very

compact.

Information:

1

Noise

entering

from

the

DC

power

supply,

or

static

electricity

may

disable

the

buttons

or

the

tuning

control.

If

this

occurs,

determine

the

source

of

the

interference

and

take

appropriate

measures

to

reduce

or

eliminate

the

offending

noise.

If

the

transceiver

still

does

not

function

normally,

reset

the

microprocessor.

(For

the

reset

procedure,

reter

to

page

45.)

Resetting

the

transceiver

will

clear

the

memory

channels

and

return

the

menu

settings

(described

later)

to

their

default

values.

This

transceiver

contains

a

cooling

fan.

As

the

heat

sink

temperature

rises

because

of

continuous

transmission,

the

fan

speed

accelerates

to

its

maximum

speed,

and

the

sound

of

the

fan

will

become

more

noticeable.

If

the

heat

sink

temperature

becomes

excessively

high,

the

temperature

protection

circuit

will

trip

to

reduce

the

transmission

output.

For

extended

transmit

periods,

or

when

operating

EM

or

RTTY,

we

recommend

selecting

50

W

or

10

W

transmitter

output

power.

TABLE

OF

CONTENTS

CHAPTER

1

INSTALLATION

AND

CHAPTER

4

MEMORY

FEATURES

CONNECTION

MICROPROCESSOR

MEMORY

BACKUP

....

931

PREPARATION

FOR

MOBILE

OPERATION

....

7

MEMORY

CHANNEL

DATA

..............

31

DIEU

NISIBIRUON

st

cae

neem

ati

y

MEMORY

CHANNEL

STORAGE

...........

31

DG

Power

Cable

Connection

............

fi

Simplex-frequency

Channel

Storage

......

31

Antenna

Connection

..................

7

Split-frequency

Channel

Storage

oo...

32

eeu

COMMERHON:,

stores

wht

ie

dew

ie

g

Scan

Start

and

End

Frequency

Storage

...

32

IGN

R,

NRIs.

sie

ot

ire

eat

eee

8

MEMORY

CHANNEL

RECALL

............

33

PREPARATION

FOR

FIXED

STATION

OPERATION

9

MEMORY

CONTENTS

CONFIRMATION

.....

33

DC

Power

Supply

Connection

...........

9

MEMORY

TRANSFER

..............-...

43

SOHNE

COHNECION

sae

asec

1

CHANNEL

TO

CHANNEL

COPY

..........,

34

rau

CONDO

COM

Kinet

art

geres

10

MEMORY

CHANNEL

PROTECT

...........

36

DODESSOEN

CONNECTIONS:

sett

toiot

ache

uM

Memory

Protect1

............0..00.

35

CHAPTER

2

CONTROLS

AND

Memory

Protect2

..............00..

35

CONNECTORS

QUICK

MEMORY

CHANNEL

SELECT

.......

36

FRONT

PANEL

CONTROLS

..............

12

Seiecting

a

Channel

Containing

Data...

.

.

36

REAR

PANEL

CONNECTORS

............

18

Selecting

an

Empty

Channel

...........

36

DISPUAY

teas

5

ota

aea

he

tea

De

eae

19

MEMORY

CHANNEL

CLEAR

..........-..

36

CHAPTER

3

COMMUNICATION

CHAPTER

5

SCAN

CONFIRMATION

BEFORE

OPERATION

....,

21

MEMORY

SCAN

.............0.0-00005

37

SSB'OPERATION

s.43.c34eeunmd

dae

canes

22

Group’

Sean

eels

o

wsad

Gans

BAN

eee

37

POC

OUU

cassis

Lob

ba

wae

eee

aera

22

All-channel

Scan...

eee

eee

37

Transmission

vo...

eee

ee

22

Confirming

Start

and

End

Frequencies

....

38

CW

OPERATION

....

0.0.0...

ee

eee

23

Memory

Channel

Lock-Out

............

38

FISCeptiGnn

sy

bio

ce

tay

soa

eM

Ts

23

PROGRAM

SCAN...

ee

eee

39

TraMSMISSION

6...

eee

24

SCAN

ka

A?

ae

SG

AOA

Re

aces

seca}

39

EM

OPERATION:

scicton

a

eae

ieee

tetas

el

25

Confirming

Start

and

End

Frequencies

....

39

FO

CODUION

ie:

seve

egen

wed

nlem

Mankdiiengyandet

25

SOMO.

ok

ous}

ebeed

wee

ee

ney

39

Transmission

..

0...

.

0.

ee

ee

25

BUSY-FREQUENGCY

STOP

...............

40

AM:

OPERATIONS

sec

gsenioe

ae

dh

aah

Wiha

26

SCAN

SPEED

CHANGE

.................

40

Reception:

.necx

ote

ear

nct

alb

dee

26

WANsSMiISSION:

6425.5

4c

er

eek

aoe

ww

26

DATA

OPERATION

(PACKET,

AMTOR,

RTTY}

27

ROCOptION:

tic

nein

eg

SA

eee

Q@2

owe

27

TRANSMISSIONS

).4.2.04.4.94

vowed

4

ade

hele

y

28

FM

REPEATER

OPERATION

.............

23

SPLIT-FREQUENCY

OPERATION

..........

30

TABLE

OF

CONTENTS

a

re

EE

CHAPTER

6

OTHER

USEFUL

TROUBLESHOOTING

...............0..

51

FEATURES

;

Reception.

vnnsraicc

oa

tnanwoe

von

le

he

51

CONTROLS

eee

netic

teens

al

Transmission...

0.

eee

eee

52

Frequency

Step

Change

..............

41

ADJUSTMENTS

.......000000000000-2.

53

Amateur

Sub-band

Switching

..........

41

RIT

Operation

............20..000..

44

CHAPTER

10

OPTIONS

INSTALLATION

DUAL

DIGITAL

VFOs

...........0.00000.

42

OW

FILTER

(YK-107C)

20...

0.02

cee

eee

54

AUTOMATIC

POWER

OFF

(APO)

..........

42

TOXO

UNIT

(SO-2)

oe

eee

ee

55

INTERFERENCE

AND

NOISE

ELIMINATION

..

43

IF

SHI

o®

esuceaiets

Me

be

dloes

tebrbeanee,

ocho

43

OPTIONAL

ACCESSORIES

.........

56

PAR

Sceeet

ihe

eral

ee

ee

se

SPECIFICATIONS

..................

58

Noise

Blanker

«0.0...

eee

eee

43

AUDIO

AND

SOUND

FEATURES

......,....

43

Beep

Tone

22...

eee

eee

eee

ee

43

Mode

Confirmation

Tone

Output

........

43

ACCESSORIES

Morse

Code

Alarm

Output...

--

2...

+,

acs

MC-47

Multifunction

Microphone

Carrier

Point

Shift

............0..000.

44

(T91-0528-XX)

oe

eee

1

ea.

IMB

Orage

GN

ece

nt

areata:

—

DC

Power

Cable

(E30-3157-XX)....

6...

1

ea.

initial

Settings

20.0...

eee

eee

eee

45

PRGSO!

ya.

Gad

eaeed

sae

eae

wha

gS

45

Handle

(KOT-O416-XX)

eee

ee

een

Aes,

Fuse,

25A

(FO5-2531-XX)

oo...

ee

ee

1

ea.

CHAPTER

7

MENU

SET-UP

For

the

DC

power

cable

MENU

A

SETTING...

2...

eee

eevee

48

Mounting

Bracket

(J29-0604-XX)

........

1

ea,

MENU

BSETTING

..........c

cece

ee

eee

47

Screws

(N99-0383-XX)

..

0.2.2.0.

0000

1

set

CHAPTER

8

OPERATION

USING

Warranty

Card

2.2.0.6...

eee

eee

1

copy

ACCESSORIES

U.S.A./Canada

and

Europe

versions

only

MICROPHONE

2...

cece

48

UP

and

DWN

Buttons

............

0...

48

Instruction

Manual

(B62-0410-XX)

1.

....

1

copy

PTT

BUUONS

se

sick

carseupae

eaten

VOR

neat

48

Save

the

box

and

packing

in

the

event

the

transceiver

Programmable

Function

Keys

..........

48

is

to

be

transported

for

portable

or

remote

operation,

or

shipped

for

upgrade,

maintenance

or

service.

CHAPTER

9

MAINTENANCE

AND

ADJUSTMENTS

GENERAL

INFORMATION

............005

50

SERVICE:

isnt

td

eave

ay

nade

adios

50

LEANING

see

voce

uy

wee

enh

ad

daa

caly

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50

1

INSTALLATION

AND

CONNECTION

PREPARATION

FOR

MOBILE

OPERATION

When

you

use

this

transceiver

for

mobile

operation,

do

not

attempt

to

perform

any

kind

of

configuration

or

menu

set-up

operation

while

driving

your

car,

simply

because

it

is

too

dangerous.

Stop

the

car

and

then

perform

transceiver

configuration.

In

addition,

be

aware

of

local

laws

regarding

use

of

headphones

while

driving.

MOBILE

INSTALLATION

You

should

install

the

transceiver

in

a

safe

and

convenient

position

inside

your

vehicle

so

as

not

to

subject

yourself

to

danger

white

driving.

For

example,

install

the

transceiver

under

the

dash

in

front

of

the

passenger

seat

so

that

knees

or

legs

will

not

strike

the

transceiver

if

you

brake

suddenly.

®

Installation

example

1

Install

the

mounting

bracket

using

the

supplied

flat

washers

and

self-tapping

screws.

2

Position

the

transceiver

in

the

bracket

to

determine

the

best

viewing

angle.

3

Insert

and

tighten

the

supplied

SEMS

screws

and

washers.

Flat

washer

You

can

also

use

the

optional

MB-13

mounting

bracket.

For

the

correct

mounting

procedure,

refer

to

the

instructions

packaged

with

the

MB-13.

elf

you

decide

fo

mount

the

transceiver

in

a

horizontal

plane

instead

of

angling

it

up

or

down,

use

the

top

or

middle

row

of

mounting

holes

on

the

bracket.

The

bottom

row

of

holes

cannot

be

used

to

mount

the

transceiver

horizontally.

DC

POWER

CABLE

CONNECTION

Connect

the

DC

power

cable

directly

to

the

vehicle’s

battery

terminals

using

the

shortest

route.

Do

not

use

the

cigarette

lighter

socket.

12

V

battery

Make

sure

the

polarities

are

correct.

Fuse

holder

Supplied

DC

power

cable

Be

sure

to

use

a

12

V

vehicle

battery

which

has

sufficient

current

capacity.

If

the

current

to

the

transceiver

is

insufficient,

the

display

may

darken

during

transmission

{at

audio

peaks

during

SSB

operation),

or

transmitter

output

power

may

drop

excessively.

Note:

if

you

use

the

transceiver

for

a

Jong

period

when

the

vehicle

battery

has

not

been

fully

charged,

or

when

the

engine

has

been

stopped,

the

battery

may

become

discharged,

and

will

noi

have

sufficient

reserves

to

start

the

vehicle.

Avoid

using

the

transceiver

under

these

conditions.

ANTENNA

CONNECTION

Use

a

whip

antenna

with

a

strong

and

rigid

mount

for

mobile

operation.

The

success

of

your

mobile

installation

will

depend

largely

on

the

type

of

antenna

and

its

correct

installation.

The

transceiver

can

give

excellent

results

if

the

antenna

system

and

its

installation

is

given

careful

attention.

The

performance

requirements

of

a

mobile

antenna

are

the

same

as

those

for

a

fixed

station

installation.

(Refer

to

page

10.)

i

INSTALLATION

AND

CONNECTION

GROUND

CONNECTION

The

ground,

which

is

the

other

half

of

the

antenna

system,

is

very

important

when

using

a

mobile

whip

antenna.

Connect

the

feed

line

ground

for

the

antenna

securely

to

the

vehicle’s

chassis,

and

be

certain

to

bond

(electrically

connect)

the

vehicle

body

to

the

chassis.

The

sheet

metal

will

provide

the

primary

ground

plane,

so

be

sure

to

establish

a

good

RF

connection

from

the

feed

line

to

both

the

chassis

and

the

body.

For

comprehensive

information

on

mobile

antennas

and

their

successful

installation

and

optimization,

refer

to

the

ARRL

Handbook

or

similar

publication.

if

your

car

has

plastic

bumpers,

make

sure

to

ground

the

antenna

mount

to

the

body

and

the

chassis

of

the

car,

IGNITION

NOISE

This

transceiver

has

been

designed

with

a

Noise

Blanker

to

filter

ignition

noise.

However,

some

cars

may

generate

excessive

ignition

noise.

If

there

is

excessive

noise,

use

suppressor

spark

plugs

(with

resistors),

or

perform

other

countermeasures

as

may

be

required

to

reduce

these

undesired

electrically

generated

noises.

The

ARRL

Handbook,

or

other

similar

reference,

has

a

wealth

of

information

regarding

this

topic.

Note:

1

The

negative

lead

from

the

battery

must

remain

disconnected

until

ail

connections

are

completed,

in

arder

to

prevent

the

possibility

of

an

accidental

short

circuit

during

installation.

2

After

instaitation

and

wiring,

confirm

that

all

work

has

been

performed

correctly,

then

reconnect

the

negative

battery

lead.

3

if

the

fuse

blows,

check

that

the

power

cable

has

not

been

damaged

or

short

circuited,

is

not

pinched

or

squashed,

eic.

Alter

resolving

the

problem,

replace

the

fuse

with

one

of

the

same

type

and

rating.

4

After

the

wiring

is

finished,

wrap

the

fuse

holder-with

heat-

resistant

tape

to

protect

the

fuse

against

heat

and

moisture.

5

DO

NOT

remove

the

fuse

holder

even

if

the

power

cable

is

toa

jong.

1

INSTALLATION

AND

CONNECTION

PREPARATION

FOR

FIXED

STATION

OPERATION

The

following

figure

illustrates

how

the

cables

must

be

connected

on

the

rear

of

the

transceiver.

Connect

the

cables

securely

so

they

will

not

come

loose

if

they

are

pulled.

Speaker

DC

13.8

V

DC

POWER

SUPPLY

CONNECTION

in

order

to

use

this

transceiver

for

fixed

station

operation,

you

will

need

a

separate

13.8

V

DC

power

supply

which

may

be

purchased

separately.

DQ

NOT

attempt

to

directly

connect

the

transceiver

to

an

AC

outlet!

Make

sure

the

polarities

are

correct.

Fuse

holder

DC

power

cable

(supplied)

AC

This

transceiver

draws

less

than

20.5

A

when

transmitting

at

full

power

output.

Kenwood

recommends

you

use

the

optional

DC

power

supply,

model

PS-33,

which

matches

the

electrical

and

cosmetic

features

of

this

transceiver.

Note:

1

Before

connecting

the

DC

pawer

supply

to

the

transceiver,

be

Sure

to

switch

the

transceiver

and

the

DC

pawer

supply

off.

2

Do

nat

plug

the

DC

power

supply

into

an

AC

outlet

until

you

make

all

connections.

3

if

the

power

supply

voltage

exceeds

78

V,

the

transceiver

protection

circuit

will

turn

the

power

off

automatically.

The

transceiver

resumes

operation

automatically

when

the

input

voltage

drops

to

13.8

V,

@

Installation

example

External

speaker

(option)

External

DC

power

supply

(option)

For

a

deluxe

installation,

take

the

tirne

to

install

the

transceiver

in

the

mounting

bracket.

The

diagram

offers

some

mounting

suggestions.

Added

benefits

of

using

the

mounting

bracket

in

your

fixed

station

include

the

following:

*

You

can

angle

the

transceiver

for

best

visibility

from

your

operating

position.

¢

The

transceiver

remains

stationary

when

you

attach

connectors

or

use

any

of

the

controls.

«

The

transceiver

is

quickly

detachable

from

the

bracket

if

you

want

to

move

it

to

your

mobile

or

any

other

alternate

operating

position.

¢

The

bracket

eliminates

the

risk

of

anybody

bumping

the

transceiver

off

your

operating

desk.

If

you

decide

to

mount

the

transceiver

in

a

horizontal

plane

instead

of

angling

it

up

or

down,

use

the

top

or

middle

row

of

mounting

holes

on

the

bracket.

The

bottom

row

of

holes

cannot

be

used

to

mount

the

transceiver

horizontally.

1

INSTALLATION

AND

CONNECTION

ANTENNA

CONNECTION

The

type

of

the

antenna

system,

consisting

of

the

antenna,

ground,

and

feed,

will

greatly

affect

the

successful

performance

of

the

transceiver.

Use

a

properly

adjusted

antenna

of

good

quality

to

let

your

transceiver

perform

at

its

best.

Use

a

good

quality

50

ohm

coaxial

cable

and

a

first

quality

connector

for

the

connection.

Match

the

impedance

of

the

coaxial

cable

and

antenna

so

that

the

SWR

is

1.5:1

or

less.

All

connections

must

be

clean

and

tight.

While

the

transceiver’s

protection

circuit

will

activate

if

the

SWR

is

greater

than

2.5:1,

do

not

rely

on

Protection

to

compensate

for

a

poorly

functioning

antenna

system.

High

SWR

will

cause

the

transmitter

output

to

drop,

and

may

lead

to

radio

frequency

interference

to

both

consumer

products

(such

as

stereo

receivers

and

televisions),

and

RF

interference

to

the

transceiver

itself.

Reports

that

your

signal

is

garbled

or

distorted,

especially

at

peak

modulation,

may

indicate

that

your

antenna

system

is

not

efficiently

tadiating

the

transceiver's

power.

If,

when

you

modulate,

you

feel

a

tingle

from

the

transceiver’s

cabinet

or

the

microphone’s

metal

fittings,

you

can

be

certain

that

at

the

least,

your

coax

connector

is

loose

at

the

rear

of

the

radio,

and

at

the

worst,

your

antenna

system

is

not

efficiently

radiating

power.

Caution:

in

a

fixed

station

installation,

use

a

lightning

arrester

to

prevent

fire,

electric

shock,

or

damage

to

the

transceiver.

GROUND

CONNECTION

At

the

minimum,

a

good

DC

ground

is

required

to

prevent

such

dangers

as

electric

shock.

For

superior

communications

results,

a

good

RF

ground

is

required,

against

which

the

antenna

system

can

operate.

Both

of

these

conditions

can

be

met

by

providing

a

good

earth

ground

for

your

station.

Bury

one

or

more

ground

rods,

or

a

large

copper

plate

under

the

ground,

and

connect

this

to

the

transceiver

GND

terminal.

Use

heavy

gauge

wire

or

a

copper

strap,

cut

as

short

as

possible,

for

this

connection.

Just

as

for

antenna

work,

all

connections

must

be

clean

and

tight.

Caution:

00

NOT

attempt

to

use

a

gas

pipe

(which

is

clearly

dangerous},

an

electrical

conduit

(which

has

the

whole

house

wiring

atlached

and

may

act

like

an

antenna),

or

a

Diastic

water

pipe

for

a

ground.

10