Kenwood TH-77A User manual

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4

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1

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GOO/ANAD

144/430MHz

FM

DUAL

BANDER

144/440MHz

FM

DUAL

BANDER

TH-77A

144/430MHz

FM

DUAL

BANDER

TH-77E

INSTRUCTION

MANUAL

KENWOOD

CORPORATION

©PRINTED

IN

JAPAN

B62-0007-10(A,T)(K,P,T)

922

1110987654321

9112111098765

FCC

WARNING

This

equipment

may

generate

or

use

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.

Press

the

power

switch

for

longer

than

0.1

second

to

turn

the

transceiver

on

or

off.

CAUTION

During

fixed

station

operation,

the

supplied

antenna

may

cause

interference

to

nearby

electronic

equipment.

It

can

also

increase

the

supply

voltage

from

an

external

D.C.

power

supply.

To

avoid

these

conditions,

a

low

gain

external

antenna

can

be

used.

A

gain

type

antenna

can

lead

to

intermodulation

distortion.

2

CONTENTS

1.

BEFORE

OPERATION

2.

SPECIFICATIONS

and

ACCESSORIES

3.

BATTERY

PACK

4.

OPERATION

44

4-2

RECEIVER

OPERATION

4-3

TRANSMITTER

OPERATION

4-4

4-5

SCAN

OPERATING

CONTROLS

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

Receiver

Operation

Frequency

Selection

Frequency

Step

Selection

Programmable

VFO

Tuning

Limits

A.B.C.(

Automatic

Band

Change

)

UXU(430MHz

Band

Simultaneous

Reception)

MEMORY

Microprocessor

Memory

Back-up

Microprocessor

Initialization

|

Memory

Channel

Memory

Contents

Memory

Entry

Memory

Channel

Recall

Memory

Shift

Memory

Recall

when

the

Keyboard

Cover

is

Installed

Scan

Options

Hold/Resume

Programming

Band Scan

Programmable

Band

Scan

MHz

Scan

Memory

Channel

Scan

VFO/Memory

Channel

Scan

Call

Scan

V/M/C

(VFO/

Memory

/Call)

Scan

Memory

Channel

Lockout

Priority

Alert

Function

4-10

4-11

4-12

6.

MAINTENANCE

7.

OPTIONAL

ACCESSORIES

REPEATER

OPERATION:

steer,

cprtee

geen

een

Transmitter

Offsets

Reverse

Function

Tone

and

CTCSS

Operation

Autopatch

Operations

DTMF

MEMORY

FUNCTION

DTSS

DTSS

Code

DTSS

Code

Selection

Using

the

DTSS

Function

Using

DTSS

with

a

Repeater

PAGING

Paging

Code

Memories

Setting

the

Paging

Code

Paging

Transmission

(Calling)

Paging

Reception

(Wait)

Code

Lockout

TONE

ALERT

SYSTEM

BATTERY

SAVER

AUTOMATIC

POWER

OFF

5.

BLOCK

DIAGRAM

and

SCHEMATIC

DIAGRAM

another

sheet

In

Case

of

Difficulty

4

49

1.

BEFORE

OPERATION

Thank

you

for

purchasing

this

new

transceiver.

IMPORTANT

Please

read

this

instruction

manual

carefully

before

placing

your

transceiver

in

service.

CAUTION

Long

transmission

or

extended

operation

in

the

HI

power

mode

might

cause

the

rear

of

this

transceiver

to

get

warm.

Do

not

place

the

transceiver

where

the

heat

sink

(

rear

panel

)

might

come

in

contact

with

plastic

or

vinyl

surfaces.

SAVE

THIS

INSTRUCTIGN

MANUAL.

2.

SPECIFICATIONS

and

ACCESSORIES

2-1.

SPECIFICATIONS

440/430MHz

band

GENERAL

144MHz

band

U.S.A.

Version

144

to

148

438

to

450

FREQUENCY

RANGE

(MHz)

144

to

146

430

to

440

430

to

440

or

438

to

450

F3E

(FM)

502

—

20°C

~

+

60°C

(—

4°F~

140°F)

7.2

V

~

16

VDC

(13.8

VDC)

6.3

V

~

16

VDC

(7.2VDC)

U.K.and

Europe

144

to

148

Other

market

MODE

ANTENNA

IMPEDANCE

OPERATING

TEMPERATURE

POWER

aS

IN

(nominal)

REQUIREMENTS

|"

BatTERy

PACK

This

Instruction

Manual

covers

the

following

models:

TH-77A

:

144/440

MHz

FM

DUAL

BANDER

with

CTCSS

unit.

(U.S.A.and

Canadian

version)

TH-77A

:

144/430

MHz

FM

DUAL

BANDER.

Yotnei

maMedy

TH-77E:

144/430MHz

FM

DUAL

BANDER.

(U.K.and

European

version)

The

following

explicit

definitions

apply

in

this

manual:

OTE

If

disregarded,

inconvenience

only,

no

risk

of

equip-

ment

damage

or

personal

injury.

CAUTION

Equipment

damage

may

occur,

but

not

personal

in-

jury.

CURRENT

DRAIN

13.8VDC

(Ext.Power

Supply)

H

7.2VDC

(Battery)

H

Transmit

mode

L

SIMPLEX

Receive

mode

with

no

sianal

SIMPLEX

Battery

Save

mode

DUPLEX

Receive

mode

with

no

signal

Approx.

1.5A

|

Approx.

1.6A

Approx.

1A

Approx.

1A

Approx.

0.5A

|

Approx.

0.54

Agorox.

60mAAgarax.

65.A

Approx.

18mA]Approx.

20mA

Approx.

Approx.

120mA

120mA

Battery

Save

mode

|Approx.

30mA/Approx.

30mA

DUPLEX

GROUND

DIMENSION

(W

xH

x

D)

Negative

58x

140.5

x

29.5

mm

DIMENSION

(

Projection

Included

)

68.5

x

154.5

x39mm

MICROPHONE

INPEDANCE

TRANSMITTER

H

(13.8VDC)

more

than

5W

OUTPUT

ek

H

(7.2VDC)

Approx.

1.5W

Approx.

0.5W

MODULATION

MAXIMUM

FREQUENCY

DEVIATION

SPURIOUS

RADIATION

RECEIVER

Reactance

+

SkHz

less

than

—

60dB

double

conversion

super-

SIREOURY:

heterodyne

INTERMEDIATE

FREQUENCY

1STIF

|

45.05MHz

INTERMEDIATE

FREQUENCY

2

ND

IF

less

than

-

16dBy

(0.16pV)

UxU

MODE

;

less

than

-11dBh

(0.28pV)

SQUELCH

SENSITIVITY

less

than

—

20dBy(0.1pV)

SELECTIVITY

-—6dB

more

than

12kHz

SELECTIVITY

-—60dB

less

than

24kHz

AUDIO

OUTPUT

POWER

More

than

200

mw

(10%

distortion)

(across

8Q

load

)

NOTES:

1.

Circuit

and

ratings

are

subject

to

change

without

notice,

due

to

development

in

technology.

2.

Recommended

duty

cycle

:

1

minute

Transmission,

3

minutes Reception

less

than

-15dBp

(0.18pV)

SENSITIVITY

(12dB

SINAD)

2-2.

ACCESSORIES

Unpack

your

new

transceiver

carefully

and

examine

it

for

visible

damage.

If

the

equipment

has

been

damaged

in

shipment,

notify

the

transportation

company

immediately.

Save

the

boxes

and

packing

material

for

future

shipping.

The

following

accessories

should

have

been

included

in

the

box

with

the

transceiver:

AGHOBDE

fo

cate

oe

ae

ewe

sa

T90-0414-XX

4

Belt

Maat...

Ge.

eae

J29-0424-XX

1

FANGS

EA

0

coco:

cy

«heen

J69-0312-XX

1

Keyboard

Cover

..........

FO7-1202-XX

1

Bottom:Govery

css

siejecjaa.s

FO7-0896-XX

1

MEESTER

90K

coma.

ste

ies

ONE

1

(PB-6)

for

U.S.A.

and

Canada

W09-0507-XX

(PB-10)

for

other

market

.....

WO09-0535-XX

Battery

CHatge

rr

a.

a.

a

a

ono

ae

MIRE

ous

1

(BC-9)

for.

U-S.AsG20V)

.)

ack.

W09-0382-XX

for

Canada

(120V)

........

W09-0385-XX

(BC-2)

for

Europe

(220V)

........

W09-0317-XX

POF

LK.

(PAOW

os

oS.

aces

W09-0318-XX

for

Oceania

(240V)

.......

W09-0527-XX

(BC-12)

for

other

market

(120/240V)

W09-0534-XX

AC

plug

(M

type

only)

.....

E19-0254-xX

..

1

Instruction

Manual

.......

B62-0007-XX

..

1

Warranty

Card

(U.S.A.,

Canada,

and

Europe)

..

1

3.

BATTERY

PACK

MNi-Cd

BATTERY

PACK(PB-10)

This

battery

pack

has

not

been

charged

at

the

factory

in

order

to

provide

you

with

the

greatest

number

of

charge

/

discharge

cycles.

You

must

charge

the

battery

before

use.

The

battery

pack

will

require

several

charge

/

discharge

cycles

before

you

can

expect

to

see

the

maximum

operating

period

between

charges.

If

the

battery

will

be

stored

for

longer

than

2

months

it

should

be

recharged

before

use.

m@

RECHARGING

CAUTION

(for

general

market

only)

The

BC-12

has

a

voltage

selection

switch

(

120V

/

230V).

Make

certain

that

the

switch

setting

matches

the

AC

line

voltage.

1.

Interconnect

the

adapter

to

the

NiCd

battery

pack.

2.

Plug

the

battery

charger

into

an

AC

outlet.

3.

Do

not

allow

the

battery

to

charge

for

greater

than

15

hours.

The

useful

life

and

battery

performance

will

be

reduced

if

you

exceed

the

recommended

charge

period:

Voltage

selection

switch

for

general

market

only

NiCd

battery

pack

NOTE

Recharging

should

be

done

within

an

ambient

temperature

between

5°C

~

40°C

(41°F

~

104°F).

Recharging

performed

out

of

this

range

may

not

fully

charge

the

battery.

HEMANGANESE

or

ALKALINE

ria

ab

6)

Load

6

xX

R6

(AA)

manganese

or

alkaline

batteries

in

series

in

the

optional

battery

case(BT-6).

(Be

sure

to

observe

the

polarities.)

//;

We

recommend

the

use

of

high

(==

perfomance

manganese

batteries.

Press

down

on

the

hook

in

the

middle

of

the

battery

case

top

to

open.

CAUTION

Do

not

install

NiCd

batteries

and

attempt

to

charge

them

with

the

supplied

charger.

There

is

no

battery

protection

circuit

in

the

battery

holder.

MBINSTALLING

THE

BATTERY

PACK

Align

the

grooves

in

the

bat-

Release

button

tery

pack

with

the

transceiver

I

|

[JA

and

slide

the

pack

to

the

right

S&S

until

it

locks

in

place.

Le

To

remove

the

battery

pack

S>

push

up

on

the

RELEASE

button

me

and

slide

the

pack

to

the

left.

MBBATTERY

VOLTAGE

LEVEL

METER

The

meter

indicates

the

relative

battery

voltage

during

transmit.

Recharge

or

replace

the

reaches

the

low

indicator.

NiCd

Battery

pack

batteries

when

the

level

Model

V

|

mAh

Fully

charged

Fully

discharged

PB-5

200

PB-6

72

PB-9

ipa

PB-7

1100

PB-8

|

12

|

600

=

=

=

=

=

Manganese

or

Alkaline

batteries

(Approximate

battery

condition)

New

batteries

Need

to

change

batteries

MOPERATING

TIME

[Hour]

144MHz

430MHz

@

1

minute

Transmission,

3

minutes

Reception,

AF

output

0.2W/8Q.

®

Battery

Saver

function

on.

Simplex

operation

mode.

CAUTION

When

the

battery

is

overdischarged,

the

indicator

begins

flashing

and

the

POWER

switch

may

not

func-

tion.

Immediately

charge

or

replace

the

battery.

We

recommend

use

of

the

NiCd

battery

pack

for

long

transmission

or

extended

operation.

Manganese

batteries

(

except

batteries

)

is

available

for

Low

position.

Alkaline

manganese

4.

OPERATION

4-1.

OPERATING

CONTROLS

@Antenna

connector

Connect

the

antenna

that

is

supplied

to

this

connector.

Twist

to

lock.

@DC

IN

terminal

This

terminal

is

used

for

an

external

power

supply.

Input

voltage

is

13.8

VDC

nominal.

The

center

is

the

+

side

and

the

sleeve

is

the

—

side.

NOTE

You

should

turn

the

power

switch

OFF

when

connect-

ing

a

power

source

to

this

terminal.

Pay

close

atten-

tion

to

polarity.

Use

the

KENWOOD

PG-2W

or

PG-3F

optional

cable

for

connection.

@MIC

jack

This

jack

is

used

for

connection

of

an_

external

microphone.

The

use

of

an

electret

type

microphone

is

recommended.

Input

impedance

is

2kQ

and

the

DC

voltage

on

this

terminal

is

Approx.

4

V

(MAX

3.5

mA).

The

use

of

a

dynamic

microphone

is

not

recommended.

Speaker

Hl

iE

SP

Ground

Ext.

S|

Ext.

MIC

:

Pals

uF

3«

Always

ensure

that

this

connection

is

made.

@SP

jack

This

jack

is

used

to

connect

an

stereophonic

external

speaker

or

earphone.

The

recommended

impedance

is

80.

If

you

hold

and

press

the

DUAL

key

while

you

turn

the

POWER

switch

to

on,

the

radio

will

exchange

1

and

2

below.

1.

Audio

signals

from

both

bands

will

be

heard

only

from

the

external

speaker

(initial

setting).

2.

Audio

from

TX

band

will

be

heard

from

the

internal

speaker,

and

audio

from

RX

band

will

be

heard

from

the

external

speaker.

(lf

you

hold

and

press

the

BAND

key

while

you

turn

the

POWER

switch

to

on,

the

band

will

exchange

each

other.)

®VOL

controls

Rotating

the

control further

clockwise

will

increase

the

volume.

@©SAQL(Squelch)

controls

These

controls

are

used

to

select

the

desired

Squelch

threshold

level.

@Tuning

control

This

control

is

used

to

select

the

desired

transmitter

/

receiver

frequency,

MHz

step,

Memory

Channel,

Frequency

Step,

Tone

Direction,

etc.

Frequency,

Scan

@POWER

switch

Press

for

longer

than

0.1

second

to

turn

the

transceiver

ON

or

OFF.

@MONI

switch

Pressing

this

switch

will

disable

the

squelch

function

as

long

as

the

switch

is

held

depressed.

When

operating

in

the

CTCSS

(Tone

Squelch)

mode

you

can use

this

switch

to

determine

if

the

frequency

is

in

use

before

transmitting.

Pressing

this

switch

will

disable

the

CTCSS

function

as

long

as

the

switch

is

held

depressed.

After

you

press

and

hold

this

switch

while

you

turn

on

the

POWER

switch,

rotating

the

Tuning

control

will

select

monitoring

band.

-1.

Both

main

and

sub

band

can

be

monitored.

-2.

Main band

only

can

be

monitored.

-3.

Sub

band

only

can

be

monitored.

@PTT

(Push

To

Talk)

switch

Press

this

switch

whenever

you

wish

to

transmit.

@LAMP

key

This

switch

is

used

to

control

the

night

lamp

on

the

LCD

display.

The

lamp

will

turn

itself

OFF

automatically

5

seconds

after

the

last

key

operation.

Pressing

the

key

within

10

seconds

of

pressing

the

F

key

will

light

the

lamp

on

the

LCD

display

parmanently

until

pressing

this

key

again.

©RELEASE

button

Press

this

button

upward

to

release

the

battery

pack.

Speaker/

Microphone

@UXU

/

VM

SCAN

key

This

switch

is

used

to

select

dual

UHF

watch

operation.

In

dual

watch

operation

the

V

indicator

will

light

on

the

previous

VHF

band

display.

Pressing

the

key

within

10

seconds

of

pressing

the

F

key

will

initiate

VFO

and

last

memory

channel

scan.

@CALL/C

SCAN

key

Press

this

key

to

activate

the

call

channel

function.

Pressing

the

key

within

10

seconds

of

pressing

the

F

key

will

initiate

CALL

CHANNEL

SCAN

.

(

Mode

key

)

When

this

key

is

held

down

and

the

power

switched

on,

it

becomes

the

Mode

key

for

switching

between

the

VFO

mode,

Memory

channel

mode,

and

Call

channel

mode.

@BAND

/

A.B.C.(Automatic

Band

Change)

key

This

key

is

used

to

exchange

the

contents

of

the

main

band

and

sub

band.

Pressing

the

key

within

10

seconds

of

pressing

the

F

key

will

transfer

the

contents

of

the

sub

band

to

the

main

band

whenever

a

signal

is

received

at

the

sub

band

antenna,

which

is

strong

enough

to

open

the

squelch.

The

contents

of

the

main

band

are

transfered

to

the

sub

band

at

the

same

time.(A.B.C.

function)