Kenwood TH-26A User manual

·m

144MHz

TRANSCEIVER

TH-26A/26AT

126E

VHF

TRANSCEIVER

TH-26A

430MHz FM TRANSCEIVER

TH-46A/46E

440MHz

TRANSCEIVER

TH-46AT

UHF

TRANSCEIVER

TH-46A

INSTRUCTION MANUAL

KENWOOD CORPORATION

©PRINTED IN JAPAN B50-8339-00(K,M,P,T,W,

X)(T)

90112

10 9 8 7 6 5 4 3 2 1 891

Thank

you

for

purchasing

this

new

transceiver

IMPORTANT

Please

read

this

instruction

manual

carefully

before

placing

your

transceiver

service

SAVE

THIS

INSTRUCTION

MANUAL.

The

following

explicit

definitions

apply

this

manual:

NOTE

CAUTION

disregarded

inconvenience

only

risk

equipment

damage

personal

injury

Equipment

damage

may

occur

but

not

personal

injury.

This

Instruction

Manual

covers

the

following

models:

TH-26A

144MHz

(VHF

FM)

transceiver

without

TH-26AT

TH-26E

TH-46A

TH-46AT

TH-46E

DTMF

Pad

144MHz

transceiver

with

DTMF

Pad

144M

transceiver.

430MHz

(UHF

FM)

transceiver

without

DTMF

Pad

440MHz

transceiver

with

DTMF

Pad

430MHz

transceiver.

Under

normal

circumstances

the

transceiver

will

operate

accordance

with

these

operating

instructions

The

transceiver

has

been

adjusted

the

factory

and

should

only

readjusted

qualified

technician

with

proper

test

equipment.

Attemp

service

alignment

without

factory

author

ation

can

void

the

transce

ver's

warranty

CAUTI

Long

transmissions

extended

operation

the

powe

mode

might

cause

the

rear

this

transceiver

warm

not

place

the

transceiver

where

the

heat

ink

(rear

panel)

might

come

contact

with

plasti

vinyl

surfaces

Use

external

antenna

for

station

recommended

FCC

WARNING

This

quipment

may

generate

use

radio

frequency

energy

Changes

modifications

this

equipment

may

cause

harmful

interference

unless

the

modif

ations

are

expressly

approved

the

instru

ion

manual.

The

user

could

lose

the

authority

rate

this

equipment

unauthorized

change

dification

made.

CONTENTS

BEFORE

OPERATION

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

. 2.

SPECIFICATIONS

AND

ACCESSORIES

...•...

. .. 6

BATIERY

PACK

.. .. ..

.. .. .. .. ..

...

OPERATION

OPERATING

CONTROLS

...

....

.•..

RECEIVER

OPERATION

....

.. .

....

TRANSMITIER

OPERATION

.. .. ..

....

.. ..

....

MEMORY

.......

...........

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

Microprocessor

Memory

back-up

Microprocessor

Initialization

Memory

Contents

Memory

Entry

Memory

Channel

Recall

Memory

Shift

Clearing

Memory

Channel

Automatic

Memory

Initialization

S~N

....

......

.............•.

........

REPEATER

OPERATIONS

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

Transmitter

Offsets

Reverse

Function

Tone

and

CTCSS

operation

Autopatch

Operations

CHANNEL

DISPLAY

MODE

...

TONE

ALERT

SYSTEM

... . .. ...

... ......

BATIERY

SAVER

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

...

AUTOMATIC

POWER

OFF

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

...

OTMF

MEMORY

FUNCTION

.. ..

....

DTSS

(Dual

Tone

Squelch

System)

...........

BLOCK

DIAGRAM

............•.•.•...

insert

SCH

ATIC

DIAGRAM

.. ..

....

...

ert

MAI

ENA

... .....

.. ..

...

....

.. ....

OPTI

ACCESSORIES

..... .....

BEFORE

OPERA

liON

PREVENT

CTR

SHOCK,

AND

OTHER

INJURY.

PLEASE

NOTE

FOLLOWING:

not

place

this

unit

where

will

exposed

direct

sunlight

heating

appliances

not

place

anything

top

the

cabinet.

pla

the

unit

areas

excessive

dust

high

humid

ity

unstable

surfaces

drop

pieces

metal

needles

coins

and

other

electr

ica

lly

onductive

materials

into

the

unit.

bnormal

odor

smoke

detected

immediately

turn

power

off

Contact

the

KENWOOD

service

stat

your

dealer.

CLEANING

Turn

the

power

off

before

cleaning

the

unit.

. 2.

not

use

any

type

abrasive

pad,

thinner

benzine

any

substances

which

may

damage

the

unit.

Wipe

the

front

panel

and

other

exterior

surfaces

the

unit

with

soft

dry

cloth

soft

cloth

lightly

moistened

with

water.

SPECIFICATIONS

AND

ACCESSORIES

2-1.

SPECIFICATIONS

U.S.A.

versio

FREQUENC

RANGE

European

and

U.K.v

sion

Othe

MODE

MEMORY

CHANNELS

ANTENNA

PEDANCE

POWER

External

power

supply

...

REQUIREMENT

Battery

terminal

13.8

Ext.

power

supply)

7.2V(

Battery

)

transm

mode

CURRENT

DRAIN

transm

mode

RECEIVE

mode

with

ignal

BATTERY

SAVER

mode

AUTOMATIC

POWER

OFF

mode

GROUND

TH-26A

26AT

/26E

TH-46A

46AT

46E

144

-148

438

- 450

MHz

144

-146

z 430-

440

144

148

430

440

MHz

438-

450

MHz

F3E

(

FM)

20+1

all

Channel)

50n

-16

VDC

3.8

VDC

nominal

)

-15

Less

than

Approx

1.0

Appro

1.0

Approx

.0.5A

Approx

.0.6A

Approx

.0.

Approx

.0.

Approx

Appro

Approx

Appro

Negative

TH-26A/26AT

/26E

TH-46A

46AT

46E

DIMENSIONS

Projections

not

included

58x

135.5x

29.5

(2-9/32"x

5-11

/32" x

1-5/32

(WXHxD)

Projections

included

68.5x

147

.5x

(2-

11/16

"x5-13/16"x1-11/32")

WEIGHT

Wilh

NiCd

Battery

and

Anlenna

38D

84Ibs)

OPERATING

TEMPERATURE

-2D

"C- +60 "C

(-4

-140

"F)

MICROPHONE

IMPEDANCE

2kn

13.8

(Ext.

power

supply)

than

7.2

(Battery)

Approx.

2.5

Approx

.2W

OUTPUT

POWER

Approx

0.5

Approx.

MODULATION

REACTANCE

...

MAXIMUM

FREQUENCY

DEVIATION

±5kHz

SPURIOUS

RADIATION

Less

lhan

DUTY

CYCLE

OPERATION

minute

transmission

minutes

reception

recommended

CIRCUITRY

DOUBLE

CDNVERSIDN

SUPERHETERODYNE

INTERMEDIATE

MHz

30.825

MHz

FREQUENCY

455

kHz

455

kHz

Less

than

0.18

Less

than

0.18"V

SENSITIVITY

12dB

SINAD

SQUELCH

SENSITIVITY

Less

than

0.1

-6dB

lhan

kHz

SELECTIVITY

-40

Less

than

kHz

TH-

126E

TH-46A

6AT/

46E

AUDIO

OUTPUT

POWER

(ac

load

1.0

% M

2.0

~;:..

distortion

)

Note

Circuit

and

ratings

are

subject

change

without

notice

due

developm

chnology

2-2

ACCESSORIES

Unpack

your

transceiver

carefully

and

confirm

that

the

accessories

listed

low

are

included

the

box

Antenna

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

....

...

....

for

144MHz

.... . ... . . .

T90-0407

-OS

for

430/440MHz

... ..

T90

0406-0S

Belt

Hook

.. .. .. ..

...

J29-0424-04

Battery

Case

BT-6

(TH-26A

and

type

only)

... . . . 1

Hand

Strap

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

J69-0312-04

....•.

Battery

(Except

TH-26A

and

type)

... .. ... 1

NiCd

battery

pack

PB-l0

...

W09

0S3S

Battery

Charger

... . . ... . ...... ...... . .... . .. 1

for

U.S.A.

and

Canada

version

(120V)

....

W09-031S-XX

for

Europe

version

(220V)

... . .....

W09

0317-XX

for

.K.

vers

(240V)

... .. ... .. .

W09-0318

for

ania

versio

(240V)

.... . ...

W09-0S22

for

her

market

(120

230V)

(TH-26A

and

type,

H-46A

and

type

only)

... .

W09-0S34-XX

Labe

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

B42-3391-04

Botto

Cover

BM-l

... . ..

F07

-0896-03

(TH

26A

and

type

TH-46A

and

type

onl

y) ...... ... ......

E19-02S4-0S

War

nty

Card

(U.S.A

Canada

and

European

ver

sio

ly) ... . . .... . .... .... . ..... .... . .. 1

11.

Instr

tion

Manual

...

BSO-8339-XX

. 1

After

unpacking

Shipping

container

Save

the

boxes

and

packing

the

event

your

unit

needs

transported

for

remote

operation

maintenance

service

BATTERY

PACK

3-1.

NiCd

BATIERY

PACK

(PB-10)

This

battery

pack

has

not

been

charged

the

factory

order

provide

you

with

the

greatest

number

charge

discharge

cycles

You

must

charge

the

battery

before

use

The

battery

pack

will

require

several

charge

discharge

cycles

before

you

can

expect

see

the

maximum

operating

period

between

charges.

the

battery

will

stored

for

greater

than

months

should

recharged

before

use.

3-2.

RECHARGING

Slide

the

adapter

onto

the

NiCd

battery

pack

Plug

the

supplied

charger

into

outlet.

not

allow

the

battery

charge

for

greater

than

-9

hours

The

useful

life

and

battery

performance

will

reduced

you

exceed

the

recom-

mended

charge

period

to AC outlet

Note

Recharg

should

performed

within

ambient

temper

ure

range

between

5'C -

(41'F

104

·F

Rechar

the

battery

outside

this

range

may

not

allow

battery

reach

full

charge.

3-3.

MANGANESE

ALKALINE

BATIERIES

(Optional

Battery

Case

BT-6)

Install

6 x

(AA)

manganese

alka

line

batteries

the

bat-

tery

holder.

Pay

attention

the

battery

polarities

marked

the

holder.

recommend

the

high

performance

mangan

batteries

for

the

greates

operating

time.

Note

not

install

NiCd

batteries

and

attempt

charge

them

with

supplied

charger.

There

battery

protection

circuit

the

battery

holder.

Press

down

on the hook

the

middle of the battery case top

to open.

Hook

3-4.

INSTALLING

THE

BATTERY

PACK

Align

the

grooves

the

bat-

tery

pack

with

the

transceiver

and

slide

the

pack

the

right

until

locks

place.

remove

the,

battery

pack

push

the

RELEASE

button

and

slide

the

pack

the

left.

Relea

button

3-5.

BATTERY

VOLTAGE

LEVEL

METER

The

meter

indicates

the

relative

battery

voltage

dur-

ing

transmit.

Recharge

replace

the

batteries

when

the

level

reaches

the

low

indicator.

Manganese

Alkaline

batteries

New

batteries

Need

replace

ApprOXimate

battery

condition

Mode

l v

PB-11

PB-

mAh

1200

200

NiCd

Battery

Pack

Full

charged

Fully

discharged

••

:::.:::":':"::"::::::

The

AIR

indicator

••••

:::,:

~':::::

::::

will

not

light.

r--- ••••••

PB-9

600

PB-lO

PB-

'1100

••••-••.

PB-8

I-----j

600

•••

•••••••

••••••••

:X:::::::

PB-1

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