Kenwood TH-75A Manuel utilisateur

GOOMNS>)I

144/440MHz

DUAL

BANDER

TH-/75A

144/430MHz

DUAL

BANDER

TH-75A

144/430MHz

DUAL

BANDER

TH-75E

INSTRUCTION

MANUAL

KENWOOD

CORPORATION

@©PRINTED

JAPAN

B50-8275-00(K,

P)(T)

90/12

1110987654321

89/12111098765

CONTENTS

BEFORE

OPERATION

SPECIFICATIONS

and

ACCESSORIES

BATTERY

PACK

OPERATION

OPERATING

CONTROLS

...

RECEIVER

OPERATION

Reception,

Frequency

selection,

Frequency

step

selection,

Programable

VFO,

A.B.C.

TRANSMITTER

OPERATION

F015:

MEMORY

216

-oO

PWNH

Microprocessor

initialization,

Memory

channel,

Memory

contents,

Memory

entry,

Memory

recall,

Memory

shift

SCAN

Scan

operations,

Hold/resu

Band

scan,

Programmable

band

scan,

Memory

channel

scan,

Double

memory

scan,

Memory

channel

lockout,

Priority

alert

REPEATER

OPERATION..

Transmitter

offset,

Reve

Tone

and

CTCSS

operation,

TONE

ALERT

SYSTEM.

BATTERY

SAVER.........

AUTOMATIC

POWER

OFF.

FAST

SQUELCH

BLOCK

DIAGRAM

and

SCHEMATIC

DIAGRAM

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

another

sheet

MAINTENANCE

......o.....

eeeeceeceseeeseeeteeeseeenaee

Case

Difficulty

OPTIONAL

ACCESSORIES....................::::cccee

CTCSS

unit

TSU-6

BEFORE

OPERATION

Thank

you

for

purchasing

this

new

transceiver.

IMPORTANT:

Please

read

this

instruction

manual

carefully

before

placing

your

transceiver

service.

CAUTION:

Long

transmittion

extended

operation

the

power

mode

might

cause

the

rear

this

transceiver

get

warm.

not

place

the

transceiver

where

the

heat

sink

(rear

panel)

might

come

contact

with

plastic

vinyl

surfaces.

Use

external

antenna

for

fixed

station

recommended.

SAVE

THIS

INSTRUCTION

MANUAL.

This

Instruction

Manual

covers

the

following

models.

TH-75A

144/440

MHz

DUAL

BANDER

with

CTCSS

unit.

(U.S.A.

and

Canadian

version)

TH-75A

144/430

MHz

DUAL

BANDER.

(Other

market)

TH-75E

144/430

MHz

DUAL

BANDER.

(U.K.

and

European

version)

The

following

explicit

definitions

apply

this

manual:

NOTE

disregarded,

inconvenience

only,

risk

equipment

damage

personal

injury.

CAUTION:

Equipment

damage

may

occur,

but

not

per-

sonal

injury.

SPECIFICATIONS

2-1.

SPECIFICATIONS

and

ACCESSORIES

Band

TH-76A

U.S.A.

version

144

148

438

450

Bae

eeR

TH-75E

European

and

U.K.

version

144

146

430

440

TH-75A

Others

144

148

430

440

MODE

F3E

(FM)

MEMORY

CHANNELS

10+1

FREQUENCY

STEP

(kHz)

10,

18,

20,

12.5,

ANTENNA

IMPEDANCE

(0)

POWER

REQUIREMENT

6.3~

(7.2

VDC

nominal)

13.8V

Approx.

1.4

Approx.

1.5

(with

BT-6)

Approx.

1.2

Approx.

1.3

cup.

mode

7.2

(with

PB-5/6/7/9)

‘Approx.

Approx.

1.1A

Ser

transmit

mode

Approx.

0.6

Approx.

0.6

DRAIN

Single

RECEIVE

mode

with

signal_|

Approx.

band

BATTERY

SAVER

mode

Approx.

Dual

RECEIVE

mode

with

signal

Approx.

band

BATTERY

SAVER

mode

‘Approx.

AUTOMATIC

POWER

OFF

mode

Approx.

GROUND

Negative

DIMENSIONS

_ |

Projections

not

included

(mm)

58x

179

29.5

(2.3x

1.2

inch)

(WxHxD)

Projections

included

(mm)

74x

193

x40

(2.9x7.6x

1.6

inch)

WEIGHT

(g)___

With

NiCd

Battery

and

Antenna

510

(1.1

Ibs.)

OPERATING

TEMPERATURE

=20°C~

+50°C

(—4°F~122°F)

MICROPHONE

IMPEDANCE

2ko

13.8V

than

oureur

(with

BT-6)

‘Approx.

Approx.

2.5

POWER

7.2

(with

PB-5/6/7/9)

Approx.

1.5

Approx.

1.5

‘Approx.

0.5

MODULATION

REACTANCE

MAXIMUM

FREQUENCY

DEVIATION

(kHz)

SPURIOUS

RADIATION

HI/LO

Less than

—

dB/—

CIRCUITRY

[DOUBLE

CONVERSION

SUPERHETERODYNE

INTERMEDIATE

1st

(MHz)

16.9

59.525

FREQUENCY

2nd

(kHz)

455

SENSITIVITY

SINAD

Less than

0.16,V

Less than

0.18:V

SQUELCH

SENSITIVITY

Less than

0.1

-6

than

kHz

SELECTIVITY:

anna

Less

than

kHz

AUDIO

OUTPUT

POWER

(across

load

10%

distortion)

than

400

mW/at

NOTES:

Circuit

and

ratings

are

subject

change

without

notice

due

advancement

technology.

Recommended

duty

cycle:

minute

Transmis-

sion,

minutes

Reception

2-2.

ACCESSORIES

Unpack

your

new

transceiver

carefully,

and

exa-

mine

for

visible

damage.

the

equipment

has

been

damaged

shipment,

notify

the

transporta-

tion

company

immediately.

Save

the

boxes

and

packing

material

for

future

shipping.

The

following

accessories

should

have been

includ-

the

box

with

the

transceiver.

Antenna....

T90-0388-05...1

ea.

Belt

Hook

J29-0424-04...1

ea.

Hand

strap.

J69-0312-04...1

ea.

W09-0507-05..1

ea.

NiCd

Battery

pack

(PB-6).

Battery

charger

for

U.S.A.

version

(120V)

adesincavesaseuck

W09-0382-15

for

European

version

(220V)

inidessauaaee

see

WO09-0388-05

for

U.K.

version

(240V)....WO9-0387-05

for

Oceania

version

(240V)

WO09-0386-05

WO09-0385-05

for

other

market

(120V).

Instruction

Manual

Warranty

Card....

(U.S.A.,

Canada,

and

European

version)

B50-8275-XX

copy

ea.

BATTERY

PACK

3-1.

NiCd

BATTERY

PACK

(PB-6)

This

battery

pack

has

not

been

charged

the

factory

order

provide

you

with

the

greatest

number

charge/dis-

charge

cycles.

You

must

charge

the

battery

before

use.

The

battery

pack

will

require

several

charge/discharge

cycles

be-

fore

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

Msxe”

Slide

the

adapter

onto

the

NiCd

battery

pack.

Plug

the

supplied

charger

into

outlet.

not

allow

the

battery

charge

for

greater

than

hours.

The

useful

life

and

battery

performance

will

reduced

you

exceed

the

recommended

charge

period.

NOTE:

Recharging

should

per-

formed

within

ambient

temperature

range

between

5°C~40°C

(41°F

104°F).

Recharging

the

battery

out-

side

this

range

may

not

al-

low

the

battery

reach

full

charge.

outlet

3-3.

MANGANESE

ALKALINE

BAT-

TERIES

(Optional

Battery

Case

BT-6)

Install

(AA)

manganese

alkaline

batteries

the

bat-

Press

down

the

hook

the

tery

holder.

Pay

atten-

‘Middle

the

battery

case

top

open.

tion

the

battery

polarities

marked

the

holder.

Hook

recommend

the

use

high

performance

manganese

bat-

teries

for

the

greatest

operat-

ing

time.

NOTE:

——________

not

install

NiCd

batteries

and

attempt

charge

them

with

the

supplied

charger.

There

battery

protection

circuit

the

battery

holder.

3-4.

INSTALLING

THE

BATTERY

PACK

Align

the

grooves

the

bat-

Release

button

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.

3-5.

BATTERY

VOLTAGE

LEVEL

METER

The

meter

indicates

the

rela-

tive

battery

voltage

during

Manganese

Alkaline

transmit.

Recharge

replace

the

bat-

mitexies

teries

when

the

level

reaches

New

myeeg

batteries

replace

the

low

indicator.

Approximate

battery

condition

NiCd

Battery

pack

model

mAh

Fully

charged

Fully

discharged

ageret

"ag

PB-6

600

peg

600

”

PB-7

1100

pp-8

600

3-6.

OPERATING

TIME

TH-75

series

Transmitting.

Receiving

OUTPUT...

Nica

Battery

voltage

mea:

600

transmission

(Hi).

battery

mAh

(PB-8)

NiCd

battery

7.2V

200

mAh

(PB-5)

NiCd

battery

7.2

600

mAh

(PB-6)

NiCd

battery

7.2

1100

mAh

(PB-7)

Lower

limit

voltage

range

for

transmission

Mengansese

—

Manganese

battery

‘AA

Alkaline

manganese

battery

(BT-6)

_(Low-Power)(BT-6)

battery

(BT-6)

ens

120

180

240

300

(minutes)

recommend

use

the

NiCd

battery

pack

for

long

trans-

mission

extended

operation.

Manganese

battery

(except

Alkaline

manganese

battery)

suitable

only

for

LOW

power

transmission.

OPERATION

4-1.

OPERATING

CONTROLS

Antenna

connector

Connect

the

antenna

that

supplied

this

jack.

Twist

lock.

HI-LO

switch

This

switch

used

select

the

transmit

output

power.

MIC

jack

This

jack

used

for

connection

external

micro-

phone.

The

use

electret

type

microphone

recom-

mended.

Input

impedance

and

the

voltage

this

ter-

minal

approximately

(max.

3.5

mA).

NOTE:

The

use

dynamic

microphone

not

recommended.

Speaker

Ground

MIC

PTT

PET:

Speaker

jack

This

jack

used

connect

external

speaker

ear-

phone.

The

recommended

impedance

VHF

SOL

control

This

control

used

select

the

desired

SOL

threshold

level

the

VHF

frequency

band.

VOL

control/Power

switch

The

volume

control

and

power

switch

are

combined.

Rotating

the

control

clockwise

will

turn

the

tran-

sceiver.

Advancing

the

control

further

clockwise

will

in-

crease

the

volume

both

bands.

The

BAL

control

proportions

the

volume

among

the

two

bands.

UHF SOL

control

This

control

used

select

the

desired

SQL

threshold

level

the

UHF

frequency

band.

BALANCE

control

This

control

proportions

the

total

audio

volume

among

the

two

bands.

MAIN

position

Audio

only

from

the

MAIN

band

Center

position

Equal

audio

from

both

bands

SUB

position

Audio

only

from

the

SUB

band

Tuning

control

This

control

used

select

the

desired

transmit-

ter/receiver

frequency,

memory

channel,

frequency

step,

tone

frequency,

and

scan

direction.

key

This

key

used

activate

control

the

functions

print-

above

the

various

front

panel

controls.

The

‘’F’’

indi-

cator

will

turn

for

approximately

seconds.

You

must

press

the

desired

2nd

function

key

before

the

indi-

cator turns

off.

TONE/T.SEL

key

This

key

used

activate

the

subaudible

tone

encorder.

Pressing

the

key

within

seconds

pressing

the

key

will

switch

the

tone

frequency

selection

mode.

The

Tuning

control

can

then

used

select

the

desired

tone

frequency.

SHIFT/REV

key

This

key

used

select

the

desired

transmitter

offset

direction.

Pressing

the

key

will

cause

the

radio

shift

from

one

offset

direction

the

other,

i.e.

—

sim-

plex

where

indicator

showes.

[—

—

for

Europe-

version

(UHF

band)].

Pressing

the

key

within

seconds

pressing

the

key

will

reverse

the

transmit/receive

frequencise

during

repeater

operations.

you

have

selected

simplex

this

key

will

not

function.

UP/DWN

(Sub

tuning)

keys

These

keys

are

used

select

the

desired

SUB

band

receive

frequency

Memory

channel.

Pressing

the

key

within

seconds

pressing

the

key

will

enter

the

upper

limit

for

the

programmable

VFO

tuning

limit

function.

Pressing

the

DWN

key

within

seconds

pressing

the

key

will

enter

the

lower

limit

for

the

programmable

VFO

tuning

limit

function.

M/TX.S

key

This

key

and

numeric

key

are

used

store

the

displayed

data

into

memory.

Pressing

the

key

within

seconds

pressing

the

key

will

turn

the

TX.STOP

function

and

OFF.

ENT/K.LOCK

key

the

VFO

mode

this

key

used

switch

the

direct

keyboard

frequency

entry

mode.

the

CALL

channel

mode

this

key

used

trans-

fer

the

contents

the

channel

the

VFO

mode

(Memory

shift).

Pressing

the

key

within

seconds

pressing

the

key

will

deactivate

all

functions

except

the

PTT,

MONI,

LAMP,

then

LOCK

keys.

SCAN/DMS

key

This

key

used

to start

stop

scanning.

Pressing

the

key

within

seconds

pressing

the

key

will

start

stop

Double

Memory

Scanning.

CALL

key

This

key

used

activate

the

Call

channel

function.

MICROPHONE

BAND/A.B.C.

(Automatic

Band

Change)

key

This

key

used

exchange

the

contents

the

MAIN

and

SUB

band.

When

this

key

pressed

within

seconds

pressing

the

key,

the

contents

the

SUB

band

will

trans-

fered

the

MAIN

band

whenever

signal

received

the

SUB

band,

which

strong

enough

open

the

squelch.

The

contents

the

MAIN

band

are

transfered

the

SUB

band

the

same

time.

MHz/STEP

key

This

key

used

tell

the

microprocessor

that

you

wish

increase

decrease

the

operating

frequency

MHz

increments.

During

VFO

operation

pressing

the

key

within

seconds

pressing

the

key

will

switch

the

frequency

step

selection

mode.

DUAL/DUP

key

This

key

used

turn

the

SUB

band

OFF.

Pressing

the

key

within

seconds

pressing

the

key

will

cause

the

duplex

function

activate.

1/AL

key

This

key

used

turn

memory

channel

OFF.

Pressing

the

key

within

seconds

pressing

the

ENT

key

will

enter

number

Pressing

the

key

within

seconds

pressing

the

key

will

check

Memory

Channel

approx.

second

inter-

vals.

the

channel

busy,

beep

will

sound.

2/T.ALT

key

This

key

used

turn

memory

channel

OFF.

Pressing

the

key

within

seconds

pressing

the

ENT

key

will

enter

number

Pressing

the

key

within

seconds

pressing

the

key

will

turn

the

Tone

Alert

function

OFF.

3/CTCSS

key

This

key

used

turn

memory

channel

OFF.

Pressing

the

key

within

seconds

pressing

the

ENT

key

will

enter

number

Pressing

the

key

within

seconds

pressing

the

key

will

turn

the

CTCSS

function

OFF.

4/TO/CO

keys

This

key

used

turn

memory

channel

OFF.

Pressing

the

key

within

seconds

pressing

the

ENT

key

will

enter

number

Pressing

the

key

within

seconds

pressing

the

key

will

toggle

the

hold/resume

mode

alternately

from

Time

Operated

scan

Carrier

Operated

scan.

5/BEEP

key

This

key

used

turn

memory

channel

OFF.

Pressing

the

key

within

seconds

pressing

the

ENT

key

will

enter

number

Pressing

the

key

within

seconds

pressing

the

key

will

turn

the

audio

confirmation

beep

OFF.

6/CT

V/U

key

This

key

used

turn

memory

channel

OFF.

Pressing

the

key

within

seconds

pressing

the

ENT

key

will

enter

number

Pressing

the

key

within

seconds

pressing

the

key

will

switch

the

CTCSS

function

alternately

between

the

VHF

band

and

UHF

band.

TISAVE

key

This

key

used

turn

memory

channel

OFF.

Pressing

the

key

within

seconds

pressing

the

ENT

key

will

enter

number

Pressing

the

key

within

seconds

pressing

the

key

will

turn

the

Battery

Saver

function

OFF.

8/APO

key

This

key

used

turn

memory

channel

OFF.

Pressing

the

key

within

seconds

pressing

the

ENT

key

will

enter

number

Pressing

the

key

within

seconds

pressing

the

key

will

turn

the

Automatic

Power

OFF

function

OFF.

9/LOCK

key

This

key

used

turn

memory

channel

OFF.

Pressing

the

key

within

seconds

pressing

the

ENT

key

will

enter

number

Pressing

the

key

within

seconds

pressing

the

key

will

deactivate

the

Tuning

control

and

all

functions

ex-

cept

the

PTT,

MONI,

LAMP,

and

then

K.LOCK

keys.

O/L.OUT

key

This

key

used

turn

memory

channel

OFF.

Pressing

the

key

within

seconds

pressing

the

ENT

key

will

enter

number

Pressing

the

key

within

seconds

pressing

the

key

will

turn

the

memory

channel

lock

out

function

OFF.

MONITOR

switch

When

operating

the

CTCSS

mode

you

can use

this

key

determine

the

fre-

quency

use

before

transmitting.

Pressing

the

key

will

disable

the

CTCSS

function

long

the

key

held

depressed.

Lamp

switch

This

switch

used

control

the

night

lamp

the

display.

The

lamp

will

turn

it-

self

off

automatically

seconds

after

the

last

key

operation.

PTT

switch

Press

this

switch

whenever

you

wish

transmit.

Release

button

Press

this

button

release

the

battery

pack.

terminal

This

terminal

used

for

external

pow-

supply.

Input

voltage

13.8

VDC

nominal.

The

center

the

side

and

the

sleeve

—

side.

CAUTION:

You

should

turn

the

power

switch

OFF

when

connecting

this

terminal.

Pay

attention

the

polarity.

precaution,

not

remove

the

bat-

tery

pack

when

external

power

supply

used.

Use

the

KENWOOD

PG-2V

PG-3E

op-

tional

cable

for

the

connection.

iis

STOP

AIR

LOCK

=cm

298

B99

‘ORRSER

cota

Lee

“EEE

[E>

SAVE

APO

Ob860

Displays

the

selected

transmitter

offset

direction.

when

the

Reverse

function

active.

@TX.STOP

when

the

TX.STOP

function

active.

@K.LOCK

—_

when

the

K.LOCK

function

active.

LOCK

when

the

LOCK

function

active.

during

transmit.

when

the

Tone

Alert

System

active.

The

indicator

will

flash

when

signal

received.

This

level

meter

indicates

the

relative

receive

input

strength

battery

voltage

level

during

transmit.”

when

the

SUB

band

frequency

dis-

plays

CALL

channel.

when

the

SUB

band

frequency

dis-

plays

memory

channel.

CTCSS

when

the

CTCSS

function

active.

-U

Displays

the

selected

CTCSS

band.

Displays

the

operating

frequency

the

886.888.

nearest

kHz,

the

frequency

step

size,

the

tone

frequency

the

MAIN

band.

when

the

Fast

Squelch

function

active.

Flashes

when

Scanning.

when

the

Tone

function

active.

(©)

when

the

Priority

Alert

system

active.

when

Carrier

Operated

scan

selected.

during

duplex

operations.

(0)

when

the

A.B.C.

(Automatic

Band

Change)

function

active.

when

the

MAIN

band

frequency

dis-

plays

memory

channel.

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