Heathkit HW-24, HW-24H Instruction Manual

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BANDER

Monile

TRANsceiveR/REPEATER

Models HW-z

5954140

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I

t

t

I

a

HEATH

BENTON

COMPANY

HARBOR, MICHIGAN 49082

'Copyrlght

Heath Company

AllRights Reserued

r

@ 1988

Printed in Japan

Page

II

Heath"

Table

INTRODUCTION.
SPECIFICATIONS

General
Receiver
Transmitter

INSTALLATION
GeneralPrecautions
MobileStationlnstallation .,.1-2

FixedStationlnstallation.... .....1-12

OPERATION...
Generd
Changing
Changingthe Channel
Sening the Call

Seningthe OperatingFrequency ....2-24

RepeaærOperation
Placing Frequencies
Scanning
Using YourTransceiver
HowtoUsetheCrossbandRepeaær.
Convenient Featurcs

.PowerSources

Maintenance

the Main Band .

Step.. ......2-21

Frequency

in Memory

with a

Repeater

of Contents

...1..

.....iî

...M

....V

........V

......VI

....VI

. , I.1

........1-1

......2-1

......2-l

2-20

. .
. . 2-22

..2-27

. . . .2-35

....241

. . .247

......248

.249

......2-53

.2-53

INCASEOFDIFFICIJLTY....

,

WARRANTY
CUSTOMER SERVICE Inside rear

lnside

.

....3-1

front

cover
cover

Page

III

Heath"

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INTRODUCTION

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Your
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can

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either

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speaker

output

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unit thar operat€s

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may be sirnultaneously

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fine

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the two

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store an

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receive/transmit

a
channel.

I MHz band

a

squelch operation.

you

in I MHz or

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10, l2.5,2},or25k}lz).

bands and

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and

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per

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frequency

without

kHz

100

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a shift

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steps,

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ftequencies

memory channels,

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channel

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of

frequency,

a subaudible

selector.

remaining

a shift direction

one of

fine

from the

channels).

frequency

tone

or selected

five

steps

Page

IV

Heath"

following

The

.

o

The light weight and
amateur

additional

The DTMF
microphone

I key lock
prevent

radio

accidental frequency

operator's station

features are

@ual-Tone

to control

switch allows locking

compact

size

also

Multi-Frcquency)

some repeaters

make

equipment.

included:

function

make

and

microphone

of the

you

changes

this

while

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allows

telephone calls.

up and down

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keyboard

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SPECIFICATIONS

Pa:e

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Frequency

Modulation

Microphone
Speaker

Antenna
Input"Voltage.
Operational

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Impedance

Impedance

Temperature

following specifications

NOTE:

and

Transceivers, unless

The

70 cm bands

for the

GENERAL

Impedance . .

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Range

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noted.

VHF: 144.000 to
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147.995 MHz.

449.995

the

MHz.

2 m

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Memory

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ToneSquelch..,,
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Service

for out-of-amateur-band

lor informetion on

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24 memory

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for MARS,

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participation

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channels

memory

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total

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all

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user selected.

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required.

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Page

VI

(excluding

Size

knobs

and

cables)

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TRANSMITTER

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INSTALLATION

Page l-1

This section of

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PRECAUTIONS

as a base station

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power

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important that

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Page

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MOBILE

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Page 14

Heath"

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Page

1-6

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Heath"

Page l-7

POWER
IMPORTANT:

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Page l-8

Heath"

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Tighten

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the fuse has

(see

the

as shown.

earlier)

to the

fuse

body

voltage

reading,

a rating

that

"Specifications"

'E

TAPE

BACK-UP

()
()

()

DECK

POWER

cLocx

Temporarily
Obtain a solderlug

and

the

obtain any
terminal.
location

lug

solder

LIGHTER

WITH

SUPPLY

disconnect

mountng

connector

NOTE:

for

obtaining

that will fit

the

that will

hardware

that

On some

battery
the relay

gOX

FUSE

PICTORIAL

ground

wire

be suitable for

for

the

banery

you

may

require

automobiles,

power.

If

you

ærminal.

BATTERY

1.7

from

the negative

the wires

at the free

cables.

for

the unused accessory

the starter relay

decide to

use this connection,

(12V)

(-)

baaery

end of the

terminal

terminal.

powercable

fuse

is

a

convenient

obtain a

block

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DISCON}IECI

o

PRIOi

THC CABLE

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Page 1-9

(

Crimp

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starter

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)

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red

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the conrrcctor

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onto

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lug onûo the black

a

power

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cable

terminal,

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that

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red wire at the

wire at the

wire and the

as shown.

Tighten the

co^ItAL

tONtTtOtl

twtTcH

SATTERY

PICTORIAL

for the accessory

free end of

free

ground

wire

hardware

CASLE

FUSE

BOX

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power

of

the

cable.

power

the

end

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securely.

axTEXt{A

fuse block

Then

connect

cable.

earlier)

to the

(or

ANTENNA

mobile

For
common
as

antenna

follows.

INSTALLATION

operation,

you

for both bands.

can either

The

two separate

use

pros

and

cons

antennas,

for each

one

antenna

for each
option

are outlined

band,

or a

Page

l-10

Your

station

shown in

drawback

probably

will
Pictorial
is

that

each

l-9.

This

antenna

perform

better

option

may

could interfere

with

a separate

also

be

with

antenna

ttre least

expensive.

the radiation

HeatH

for

each

A

pattem

of

band,
possible

the

other.

as

A

single

d-eliened­NOTE:

antenna,

duplexer

Some

altemative.

as

shown

has

a loss

antennas

contain

pictorial

in

y

of

onl

I

ta 2

an

intemal

PICTORIAL

l-10,

would

dB,

but

duplexer,

ato

lt{t AXl

1.9

require

these

are

a duplexer.

usually quite

wtrictrpresena

expensive.

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eipensive

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Heath"

Page

l-11

you

After
where

decide

you

1-11 shows

Pictorial

the

C of

pattem.

going

are

three

how many

install them and determine

to

possible

is

the

ioof

roor

Bror

@

@

aro:

(one

antenna

practical

most

or two)

antennas

locations.

option, as

rnurx lro

@

The

you

what

roof

yields

it

will
type
top

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using,

be

of anænna base

location

most

the

roor rop

you

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to use. Pictorial

(magnet

mount) in Part

symmetrical

(u^cxEr)

deærmine

radiation

Before

a

and after

you

choose

To

obtain
antenna.
(if possible)

maximum

After installing

fora

of the band segment

Transceiver's

the

ing receiver

you

When

good

electrical contact

sensitivity.

install the

performance.

you

If

have

one of the

keep the coaxial cable

to
RF may

Route
cable so that

interfere with

the coaxial

it is not

PICTORIAL

an antenna,

performance

it,

adjust

you

will

(voltage

use

VSWR

performance

antenna

on

with the

newer

cars

far as

as

and

them

cable so

that

damaged

1.11

the

from

following

your

keep

its length

standing

most

reducingtransmitteroutput

by

your

wave

frequently.

vehicle,

vehicle's body.

is

equipped

that

possible

cause

rain does

when

the

you

away

circuits

not

open

important

Transceiver,

per

manufacturer's

the

ratio) of

higher

A

make

sure

will ensure

This

with electronic
from these

to operate

get

inside the vehicle.

or close

facton

select

in mind:

good quality

a

instructions

in the

orless

1.5
VSWR value affecS

power

and degrad-

antenna

the

base

good

antenna

circuits,

circuits.

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unreliably'

Support

window.

a door

or

middle

makes

be sure

the

Page

l-12

Heath'

If y9u
to
will
Transceiver.

wph

place

protect

Jo

the front

the
Pictorial

FIXED

place

your

of

the

Transceiver

desk's

l-12

STATION

Transceiver

at

surface.

Small

shows

the

INSTALLATION

on

a

desk,

a more

conv^enient

rubber

Transceiver

use

feet

with

the

wire

viewing

are

the

stand

used

stand

that is

angle;

ï the

installed.

supplied

plastic

the

bouôm

sleeving

rear

with
of

the

it

POWER

Y:t

3.5

amperes

ANTENNA

For

base
antenna'
communication.
mo-re

If

the

element

SOURCE

an AC po^wer

for

HW-24

INSTALLATION

station

In

elemenrs your

antenna

is

operation,

general,

A beam

has

rather

small.

slPPll

a

ry:*1lT

more

that

and

@

you

good

anterna

than

10-12

Also,

PICTORIAL

qroduces

10.5

may

ground

such

a regulated !

ampeÉs

either

plane

(Yagi)

n.

p9

elementi

an

antenna

1.12

olrâge

berween

for

HW-2?H)

use

an

omnidirectional

antenna

*oF

higher

however,

is

beneroverlongerdistan*r.

it

is

mounted,-the

will

be

lo

usually

gain you

the

e*tËr.iy

12.0

and

16.0

operate yourTransceiver.

antenna

the

longer

gét

directional.

or

best

choice

ôrn..uity,

its

for

eacnîdditional

a directional

range

volts

for

local

*1i

(@

rt.
u".

Hgath-

"

Page

1-13

shortest

the

Use

Transceiver,

loss also
ance, use

Two

common

shown

are

over a single

3 dB

power

or a
antenna.

since

higher

is

RG-8214,

Pictorial

in

divider

A vertically

length

cable's

the
if

the

RG-9913,

antenna

I - 13. Using

anûenna,

must be

polarized

possible

for the

loss increases

operating

frequency

or a better

installations, a

two beam

and two

used

antennas

to feed the

signal

coaxial

with increasing

increases.

possible.

if

cable,

ground plane

antennas

more selective

are

RF signal

radiate from

will

cable benveen

length.

Therefore,

pair

antenna

and a

improves

the

than

driven element

to the

either antenna

antenna and

the
For

for

same cable, the

the

improved

perform-

of beam antennas,

forward

one.

gain

phasing

A

by

of each

system.

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beam

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ANTE}IXA

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Heath-

"

OPERATION

Page2-l

NoTE:

section
amateur
froÀ

Refer

you

of

radio

ARRL

n,

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to

this

descriptions
numben

on

an

have

must

transceiver

frequencies

1Àmerican

and

2-1

front

the

of

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the

amateur

the

on

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from

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accompanying

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license

obtain

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radio

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illustrations

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while

parentheses

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as

following

circled

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and

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RESET

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TERMINAL

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Page2-2

Heath"

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PUSH
power

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on and

this knob in

146.000"
microprocessor.

first

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off,

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to

tum

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you

after

initially

the volume.

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power

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appear

push

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on

the

display when

connect

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it

again ro

the Transceiver

Detail

rum the

you

push

power

to a

2-lA)

-

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power

off. NOTE:

tlLis switch

source,

on for

or reset

the

the

(2)

Turn-this
receiver.
to

sQL
fignal

it

clockwise

rotation

Tum

reduce

(squelch

is

being received.
of this

control

the volume.

to

set the

the

control

conrrol

until

the

control will

volume

clockwise

-

Detail

Start

background

(sound)

2-18)

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this

noise.1ust

reduce

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the desired

to increase

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the receiver

the

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the

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Further

MHz

band

no

then rotate

clockwise

Heath"

Page2-3

(4)

(Squelch

SQL
ôÈ-*ùo"

(Volume

VOL
for the
450 MHz

identical

it

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144

band

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receiver.

receiver.

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the Squelch

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is

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450

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volume

the

identcal

144

the

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(sound)

to the

band

MHz

receiver.

the desired

to

Volume

receiver.

control

level

for

the

VOL

I

T

soL

Detail

2-lD

Page24

Heath'

(5)

(6)

PUSH DllWFrequency
(Detail

Z-lE);

also

lets you

Detail2-lE

Push

this

switch, while

the

brightness

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the Frequency

clockwise
100IVMHz-VFO-MR

channel step rate

of the

to decrease

you

display's illumination.

Tuning

the frequency.

for

the

Tuning

hold

knob

frequency

Frequency

-

change the

the

clockwise to increase

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Changes

displayed frequency

the display illumination

Detail2-lF

(special

SP

Selector læver - Detail

function) bunon

the

knob,

or selects

frequency;

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depressed,

2-1G)

memory

the

brightness

2-lF).

to change

tum it

counter-

-

Selects the

recall

mode.

NOTE:

MR

the

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.

MR

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(memory

the channel step rate

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position:

VFO

position:

is

recall) mode

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explained

2-lG

y'ou

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kHz

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you

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steps

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one of five
or

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for

change the displayed

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with

you

change the displayed

25 kHz).

you

recall

each band.

under

onPage2-32.

change

-

possible

displayed frequency

the

without "SP"

"SP"

shown on the

channel sæps

up to I 0

T.SQL/STEP

different memory

f:

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shown on

,-t

(

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frequency

display.

frequency

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Page

on

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n

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in 100

the display.

in I MHz

by using

lO,

12.5,20,

addresses

2-10, while

Heath"

Page2-5

(7)

Display - Detail z-lH­relative transmit

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on the
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450
on

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The number of bars
lit

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re-

Up to 3 bars
None ol ûre

Button - Selects

left

and the

Button

right side

the

button,

of the display,

side

450

button

-

Selects

of the

and the

144 button

9:

S/RF

will be lit when

will

bars

lit when he

be

l44MHz

enabling

will

450MHz

display,

:=

--

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he receiver

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mode, all the

is unsquelched,

rec€iwr

Detail2-lH

main

for

appear

for main band
enabling
will appear

band

QSOs

green.

in

QSOs

in

(LO)

ûre low

is squelched.

operation.

2 m band

the

on

operation.

the 70

on

gteen.

power

mode, 3

he high

bars will

power

be lit

"MAIN" appears

when

"MAIN"

cm band

appears

when

to 5

you

in red

press

in red

press

you

this

Page2-6

NOTES:

I

.

2.

When your

the

main

band is

In

procedures

the
the main
bands, if

band

you

Transceiver

and 450

wish.

leaves

set

to 450

and_examples

MHz

the factory

MHz.

given

as

the

in

sub

band.

or when you

this

Manual,

However,

reset

144

M*zwill

you

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its

microprocessor,

tre

used

may

swap

the

as

two

3. A
other

IMPoRTANT:

the

450

MHz

the

third harmonic

Example:

(10)

IMR

frequency

NOTE:
the
setting
for

(11)

when

senings

for

each

144

MF{z

CALL
alarm

are 146,000

that

band is

band. Therefore,

@epeater

you

and

Button

considered

band is

Transmission

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while

on

band is

5.000

will

then

of the

transmit

you

receive

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each

initially

tlHz

88.5
MHz

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sound

transmit

of

powerup

Hz,

whenever

on

the

2-lI)

the

main

band when

the

sub

band.

on

the

144

MHz

band may

be sure

frequency.

on

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rwo

yourTransceiverorwhen

and-446.m0

while

for

450

-

you

that

147.500

442.SOO
Button

bands.

the negative (-)

MHz.

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a signal

do

MHz (147.500

MHz

-

MHz

or accesses

is

received

not

Permits

for

"MAIN"

cause

use a receive

the

shift

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on a selecied

appears

interference

recall

of

you

two

bands.

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frequency

x

3 - +42.599;

one repeater

reset

The

frequency

suo

on its

display;

to

reception

nri

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memory

its

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ton"

is

6dô kH,

Also

enables

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the

on

an

ALABU

Detail2-lJ

ff

SP

CALL

\

Heath"

Page2-7

To enable

l.

2.

NOTE: Some

indicated by

functon,
indicator

(12)

as

witl then

LO/A.MUTE

high

or

A.MUTE

disable

and

To

enable
CALL button
easily

To disable
CALL

Referto
how

of the swirches

appear

power. Also sets tlp

switch,

r

Lo

(

r(,-

t

l-tû.ut-t

the alarm:

alarm,

the

NOTE:

tell the

to

fl-ow

LOW

nvo bands

alarm, again

the

btrnon.

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this bunon.

use

on ttris

"/A.MUTE"

on the

Power/Auûomatic

allowing

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nn

t

hold the
The two

Transceiverperform

in LOIA.MUTE

display,

automatic

independent

n

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alarms

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hold down

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below,

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Mute Switch)

NOTE:

mute.

selecton

I f tf-

it-ttlr.UUt-.

deprcssed

distinctly

sound

the SP

dual

Hl

button

Page 2-22

functions.
press

perform

to

_.

Ses

Each band

these functions.

of

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rlf-l

t

press

you

while

you

different

while

for furtter details on

To access a second

SPbutton.

the

special

this

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the

f-|

so

you press

The

function.

for low

has its own

the

can

the

"SP"

LOl

To

the transmiuer's

set

Be sure "SP"

1.
NOTE:
extinguished,

To change

2.
To change

3.

3?

Tr

RF output

is not displayed.

is

"LO"

If

it is set

output

the

power

the

Detail

power

tf it

displayed,

power.

high

to
power,

back,

press

again

rp|'

I
I

soL

2-lK

(Detail2-1K):

press

is,

the transmitter

LOIA.MUTE

the

press

SP button;

the

LO/A'MUTE

the

is set

"SP" will extinguish.

low

to

bunon.

button.

power.

If

"LO" is

2-8

Page

NOTES:

Heath'

1. Always use

2.

To set the

(WHEI

l.a

-

I t.t-

it-i

va?

,o^t^r a(o

\

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press

the

automatic

lt

IHt

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power

low

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for

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you

rxr

I

II

switchto

iEcElvEo)

ll

rrt-

-rL-(.xux

lowpower,

l-lt-li-t

l.

Press the
right

hess the SP button;

2.

1

lMAhr

BANp/dl

450

band button;

side of the display,

trm

(t

"SP"

Detail 2-|L

"\'IAIN"

will

appear

2

.---r

v-r-rcxr

9EEII

I

ur_

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rï

Detail

for this band

450 \IHz

on the

)trt )l

u

t

SP

z-LM

will

now appear

display

I

(see

EE

. ta,-

-t

t'1

it.

t

in red on the

Detail2-1M).

ILtcrl

IU'E

l1

t-tt-t

r-t

t-t

t-t

Heath"

hess

3.
appear

LO/A.MUTE

the

450MHz

the

on

button

disPlaY.

on the

right side

of

the

ftont

panel.

Page2-9

"MLITE"

will

(13)

4.

SUB

144 or

:EEE:

::
::=

tlaF

using

144 button

the

(Detail

Press the

Whenever
are
level.

Buton

450 bunon.

r.r-{r:

r

I

you

receive

main band,

2-lN)

-i

tJ.

UAIN IAIID

retum to

Ûo

a signal

thelub

-

Accesses

ftn
i-t i-i

your

normal

displayed

the

on

audio signal

band

the zub

n

::

x

;:=

uej

+

æ-

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Detail2-1N

main band'

sub

will be

without

band

I

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band

tLt]tK||lO

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t-

-t

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frequency,

ft

from its

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reduced

you having

I

tJ

while

press

to

,-(

U

you

normal

the

,,Ir,iA[.Î"
NorE:Youmaychangethedisplayedsubbandfrrequencyoranyotheroperating

parameter

witrrin

(14)

Sp
perform

will

the

(Special

special

press

you

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button,

this

blink

long as

as

five seconds,

Function

functions.

even

the

and off

on

"i,IAD.I" continues

"MAIN" will

Button)

on

-

Works

sub

automatically

receiving

while

a transmission

display

band

you

If

blink.

ûo

extinguish.

in conjunction

on

least

at

for

make

not

do

wittr other

five seconds.

changes

any

switches

main

the

band'

to

Page 2-10

Heath"

following

The

BUTTON
MS|/SCAN
RPTISHIFT Repeabr operation

RÊV/+ Rewrses TX and RX

T,SOUSTEP Tone squelcfr

LO/A.MUTE
Frequency Tuning

(1OOKMHz position)
CALL Accesses

functions are enabled as

.SP.

NOT

OISPI.AYED

il/lemory

,Switches

100 kHz soo

scan Scan.

operaùon Sets channel

power

TX

call frequency

you

set the

panel

front

.SP'DISPLAYED

Disphys shift frequencl and

subaucli ble tone

posidve

Sets
freqlency
operation. The transmitter
frequerrcy
rccaiver freq.renry.

plex

only).

Sets eutomatic

1 MHz sæo.

S€ts alerm lor desired main

switches listed.

hequency

shift for any

during repeater

be

will

above ûre

(recoive

step

mute.

sim-

band.

The following features
press

the

various

swtTcH

Frequency Tuning
't44

450

Power switch

(15)

T.SQL/STEP
channel sæp

To tum

the tone squelch on and

on the display when

are

buttons listed.

-

Switches the

rate.

the tone squelch

provided

FUNCTION

Changes the display's illuminaËon brig

Blanks the coresponding

Reseæ

you

as

all hecruencies to heir defeult values

hold

the SP bunon depressed while

portion

of the display.

tone squelch on and off and

off,

press

is

T.SQL/STEP

the

tumed on.

htn€ss.

lets

button.

you

change the

'TSQ"

you

appears

HeatH

NOTES:

1. The
display)

frequency

tone squelch

you

if

also select the

"beep"

error

feature

from

not

will

RPT

the speaker.

be

enabled

(repeater)

'"TSQ"

(and

mode. Then,

will not
you

would

Page

2-1 I

appear on

hear a low-

the

2. If

3.

1. Press

2. Press the T.SQL/STEP

3.

4. Press

(16)

your

tone

squelch

station
Be

operation.

You have
or2lkÉlz.

change

When

sor, the

Tum
buttons, until the selected step
switch

previously

RPT/SHIFT - Tums repeater
change the shift

also has its

sure to

press

the option of sening the step

CNOTE:

the

step

the SP button

you

initially

rate is

Frequency

the

lever

is in the LOCK

the T.SQL/STEP

displayed operating

(offset)

is

swirched

tone squelch on and both are using the same tone frequency.

T.SQL/STEP

ûre

raæ:

power

set to

You may

to

25 kHz.

Tuning

frequency

select a different

access

the special switch functon.

buuon; the current step

up the

knob,

position,

button again to

operation on and off.

you

on,

button after

rate

Transceiver

press

or

rate is

frequency will

and tone control

displayed.

the UP or DOWN buuons

place

hear

can

to 5

or rcset

the microphone's UP or

the

another station only if that

you

terminate tone squelch

kHz, 10 kHz, l2.5kllz,20ktlz,

step rate for VHF and

will

rate

If

new

again appear on the display.

Also
frequency.

be displayed. NOTE:

(initialize)

microphone's key lock

the

rate in

srep

permits

you

UI{F.)

its microproces-

will not

memory. The

recall

ûo

To

DOWN

work.

and

(17)

(18)

MS/SCAN

To

start or stop

To

start
NOTE: With
scan and busy scan.

MEMO
memory
mode.

To

select a

1. Set the

2.

Switch - Starts and

memory

normal

"SP"

(Memory

addresses,

memorv

Turn

the

displayed.

sops

press

scan,

press

first

scan,

displayed, use the

button)

10 for

address

Frequency

Frequency Tuning knob

-

each band.

number:

Mode switch to

the MS/SCAN switch butfon.

tlæ SP button;

Recalls

memory scan and

then

MS/SCAN

memorizes frequencies in up to 20

and

permits

Also

MR.

until the desired

normal

press

button to switch between

from

exit

scan.

the MS/SCAN button.

memory recall

the

number

(0

pause

through 9)

is

Page2-12

HeatH

To recall a memory frequency

l.

2.

Press
Press

MEMO

the
the MEMO

button to display

button

NOTES:

1 . With

2.

ln

addition

of

Manual,

the

button.

Using
functionprevents you
Also,

of the

allows

you

band. NOTE:

the Frequency

may

use

each one is
A

total of

shift frequency

to the

additional

one of

Frequency

the

displayed.

l0 memory

and

"normal"

"special"

these special

from

memory

accidentally

nvo available memory

to

use the microphone

All

the memory

in

repeaær

the

again

to display

Selector lever in

Tuning

addresses

knob

on

both bands are available for

tone frequency.

functions

memory

functions are available with

functions instead

clearing

functions,

to

scan through

functions

are listed in

mode:

the

the l0OKÂ{Hz
to change

previouslymentioned

the contents

frequency.

shift

the tone

of the

frequency.

VFO

or

a shift or tone frequency

inthis

corresponding normal

memory

of a

only the special memory

the ten

memory

the chart

channels

below.

position,

a channel's

s€ction

the MEMO

address.

function

on each

you

as

To

make

the various

L

Hold
power

2.

Release
power

NOTE: To
again

ITEM

Memorizing
CALL frequency

Memorizing

In

he MR mode

During MS scan

push

exit from

the

th€

RMFI

special memory

down the MEMO

off).

MEMO

the

back

Power

Your

on).

this

special

swirch in

NORMAL

S€t th€
CALL to

S€t RMR and
to

memorize.

The memory
number is
or decreased

the Freguency

knob.

you press

When

or MS button,
mode is
VFO

mode is

set the treguency.

functions

button

bunon

and

and

again

Transceiver
funcrion mode,

(to

tum

the

FUNCTION

tr€quency

memorize.

press

address

increased

with

he scan

exited,

entered to

and

RMR

Tuning

he PTT

and the

press

available:

push

push

is now

hold

power

Power

the

the

in the

down the

Power

special

switch

swirch

function mode.

MEMO

ofF).

SPECIAL FUNCTION
Set the lrectrlency and

MEMO to memorize.
S€t RMR and

to memorize.

The

memory address
number
or decreased wifr
he microphonê UP/DOWN
buttons.

When
or MS button, scanning
halted

press

is increased

you press

witr ûre MEMO bunon.

he PTT

(to

in

(!o

in

button

press

MEMO

is

tum

tum

the

the

and

Heath"

Page2-13

(19)

REVI+
frequencies during
(offset)

:t.Ut:-rJf-l

_(

BECEIVE

f

NECATIVE

-(

7l-t

TRAI{STIIT FREOUEilCY

(ReverseÆlus

changes

I

direction

(wHEil

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rL t_l

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orrr.ss

S}IIFT DIBECTIO}I

CDEI TX

,: tJt-r

,l

IL 'J

U,

RPT

repeater

prr

-

Shift

for repeaten that use a

THE

Detâil2-1P)

operation.

sHtFT FREouENcy

Also,

REV/+

'ffi'

swrrc,

-

Reverses

when

"SP"

positive

rs

ooour)

2

:t,uE

_t

RECEIVE

I

POSTTTVE

-t

-t

TRAI{8UIT

the transmit and

is lit,

the

frequency shift.

E@

rLr. tt_

I

FREOUE}ICY

orrrrss

SHrFT 0rBECltOX

EEI ÎX

-t -t

lt:

I?T tCY

FREOUEIICY

I

,t)'

t,_(.

receive

frequency

t:tn

tJ

PrY

3wrrcx

ft

u

shift

NOTES:

I

l.

2.

J.

4.

The

displayed

The
displayed.

rægative

A
that
means that
frequency.

you

If
(with

tinguish) and

direction

shift

(-)

is lower than

you

change

"REV"

Detail2-lP

frequency is

is initially

shift direction

your

receive frequency.

will

transmit

the displayed

displayed),

retum

you will

to the

receive

the

negative, and

means that

frequency that

on a

frequency

exit

default

mode.

frequency at all times.

polarity

no

you

will

transmit on

while

rcverse

the

positive

A

is higherthan

you

in

are

mode

(+)

the

("REV"

will

sign

a frequency

shift direction

yourreceive

reverse mode

will

tre

ex-

Page2-14

Heath"

(20)

Microphone
with

this

Transceiver

luoro rNPUr

@

PTT

@

Connector

Transceiver.

microphone

The

(Detail

microphone

socket's

2-lRF

pin

Accepts

plug's

pin

connections

connections

are

the 600 O microphone

shown

and the

below.

conesponOing

supplied

@
@
@
@

c

@

x

PtNs

FOR

8v

_l

I

I

NOT

USED

GROUND

@,

UP AND

@,

nno

DOWN

rne

@

OPERATION.

Detail

2-lR

Heath'

Page2-15

NOTE:

600

has a
(21)

To

you

If

inipeOance.

if

RESET

when

sor

rePlaced.

been

gain

access

plan

Terminals

use

to

improper

to the

a different

make sure

Then

-

Shorting

operation

RESET

SHORTII{G

microphone

is wired

it

inæmal

these

occurs,

terminals

or after

(Pictorial2-2):

with this

shown

as

terminals

intemal

the

Transceiver,

Detâil2-lR.

in

initializes

memory

back-up

make sure

first

microproces-

the

banery

it

has

1

Be surc

t.

Place a

2.

Transceiver

Transceiver
steps.

Using

3.

the côver
to ttle

Tum the

4.
using

5.
drivei,

screwdriuei.

the

display

the

Using

6.

of thitransceiver.
pinched.

PICTORI

Transceiver

the

(or

towel

#l

a

to

Transceiver,

Transceiver

the

carefully

the

piece

upside

(small)

the

metal tip

frequencies

five screws

down

fmm becoming

tôp

Phillips

bottom

and

short
NOTE:

CAUTION:

power

of carpet)

on

screwdriver'

ttre

ôf

the

set

Power

medium

of a

the two

The current

will be

you

removed

2.2

AL

is nlmed

of

top

on

towel.

of the

iop

scrarched

Iemove

Transceiver.

screws

on.

indicated

reset

aside

(u4"

sizg

display

146.000

to

earlier,

Be sure

terminals

none

off.

your work area.

NOTE:

as

Carefully

temporarily'

or

will disappear

reinstall

of

This

perform

you

five screws

the

place

smaller)

together.

446.000,

and

the

speaker

the

cover

place

Then

prevent

will

following

the

that

cover

the

flat-blade

Then

immediaæly;

respectively'

ttre

t0

wires

ttrc
ttle

secure

next

screw-

remove

bottoft

become

Page2-16

that

to

Refer
following

part

descriptions

Pictorial

of

of the

which applies

2-3

panel

rear

to

cables

HW-24H

particular

your

and connectors.

model

Heath"

you

while

read

the

(22)

(23)

(24)

ANT

MHz

450
450MHz
coming

L44MHzANT

l$

coming
DC

received between

ftom the antenna.

lvftIzmtenna,

from the

PWR

Cable

antenna,

Cable - Connect

antenna.

(Direct

PICTORIAL

-

Connect

to this cable.

rothis cable.

Current

this

Power Cable)

and a

cable

low-loss 50

a

NOTE: Use

low-loss 50

a

NoTE: use

­16-volt

12- to

2.3

O coaxial

PL-259

a

O coaxial

aPL-259

Connect

DC

cable,

plug

atthe

cable,

plug

at

long

the

power

coming

free end of

coming

freeendof

the

powercable that

source.

from

from

your

cable

the

your

thecable

you

Heath"

Page2-17

(25)

(26)

I44MHzSPKR Jack

jack,

it is

450 MHz

450 MHz.

for 144 MHz, while

used

EXTERNAL

SPKR Jack

(Detail2-3A)-

SPEAKER

Detail 2-3A

(Detail2-38)

-

you

When

intemal speaker is used for

the

.

Extemal speaker connecûor

corurect an extemal speakero this

/(t

SOUND FOR

450 MHz

SOUND

144 MHz

450

MHz.

FOR

forboth 144 and

When

intemal

the

you

connect

speaker

EXTERNAL

a speaker ûo this j ack,

will

be disabled.

SPEAKER

Detail2-38

it will

be on

1 44

both

>/

.

SOUND FOR
144
450

450

and

MHz

MHz

MHz

AND

and

Page2-18

you

when
speaker
Detail2-3C.

oonnect

will

be

on

a

its

speaker

respective

to

both

band,

the 144

and

the inæmal

and 450

spKR

speaker

Heath"

jacks,

each

is

disabled.

extemal

See

Referto
ard

swirches,

Pictoial}A

while

you

ExrERltAL

Detail

read

the following

SpEAKEF

2-3C

descriptions

EI

@@g@
@TEG](E]
E(DG)@
@@@(D

o @

\

-â

of

@

the

microphone

I

SOUXD

1f

{

llHz

keyboard

30

l

FOR

IICROPHONE

PICTORI

AL

@

Fî

2.4

Heath"

Page2-19

(27)

(28)

(Push-to-Talk)

PTT

transmit
UP and

as

mode.

DOWN buttons

follows:

During

or down

up

During the
memory

position).

MEMO

In the
frequency.
displayed

tn the scanning
(UP)

or
buttons
change

-

Switch

-

nomral operation,

with the selected channel

"special

channels

Refer

memory

from high to

depressed
(increase

(provided

(memory

to the chart

address

mode, use these

while

or decrease).

Prcss this switch

The microphone

use these

function"

recall)

number

(DOWN).

low

in

this

UP

buttons to change

steps.

(see

mode

Frequency

the

mode,

Page 246 for

on

butons to scan

mode,

these butons

use

or down.

up

NOTE: tf

the displayed

lever

ard

Page2-12), these

place

to

DOWN switch bunons

Selector

information

frequencies

the

you

continue

the

the displayed

lever

memorize

to

on

to

frequency

Transceiver in

ftequency

buttons select

is in

the

a memory

how ûo change a

from low to

keep one of these

will continuously

tlæ

function

the

"MR"

high

o

(29,

(30)

LOCK

preventng you

KEYPAD
tone,

patch

When

lights

is being
frequencies,

modes, use one or

CALL or

In the

modes.

these

of

press

you

you

When

buttons),usethesebuttonstoincreaseordecreasethe

12.5, 20,25,

10,

you wish

When

increase or decrease

to

(Key

-

multi-frequency)

operation.

place

you

whenever

generated. NOTE:

and

RMR

The

displayed

the UP or

wish

Lock) Switch

from

Allows

the

you

meet the

DOWN button,

to change

for example).

to change

changing

you

to

Touch-Toneru

Trarxceiver

prcss

one of

telephone

frequency

channel step

the

repeaær shift

the

the displayed

-

t

out the

ocks

the displayed

phone

place

in the transmit

keypad

the

generated

The

system

the other

will start

respectively.

Oy

(offset)
frequency.

shift

microphone UP

ftequency.

using

calls,

encoder,

keys,

signals

specification

of these

increasing

using

frequency,

16-character

a

through

mode, the

indicating

have the

bunons

SP and

the
displayedchannelstep(5,

and

rcpeaters

LED above

that
standard

*l.57o

of

for

the

each

when

buttons

(dual-

auto-

keypad

signal

to exit

ordecreasing

T.SQLISTEP

use these

DOWN switches,

DTMF

set up

a two-ûone

Touch-Tone

accuracy.

Page2-2O

Heath"

NOTE:

lbove

(buttons)
green.

To

Press
red,
for

When you

tfe

change

the

while

the

selected

(wrrx

o:

5:,

aleç

$gueryy

will

be lit;

the main

band

button

the

otherband

rHE

:

:_

CHANGING

power

the 450

band

fol

main

cHAI{NEL

1

I

your

up

oisptxy

band.

tit!,-rr(

-r

for

indicator

@ictorial2-5):

the

sub

band

indicatorwill

sELEcroR t}t

t]r.

t-t

THE

Transceiver

the +s0lvlHz

will

(green
nrm

t-l

be red,

indicator);

green.

rHE

n::

tJ

for

':-

frâÊ

MAIN

the

first

time, "MAIIV'

(right

band

while

thË 144

the

,,MAIIY'will

vFo

color

oR looK/uHz

|

,{,-,-tnn

-t

t{

|

BAND

side).

notlr

sub

band

of

this indicator

appear

,-t t-l

t7.

will

appear

band

indicator

above

the frrequency

postrton)

,-(

in

re.d

inàicato6

will

be

will

tum

IN

BANO/CCL

PICTORIAL

2.5

Heath"

Page2-21

CHANGING THE

You have
kHz,

To

1. Press

2.

3.

4. Press

the option of sening

25 k}lz.

or

change the step

Press
you

initially

will be set to 25 kHz.
Tirm

until the selected step rate is

initial

(NOTE:

raæ

the SP

the

the

the

(special

T.SQL/STEP

power

Frequency

T.SQL/STEP

operating

your

You may

(Detail2-5A):

function) buûon;

button; the

Transceiver

up the

Tuning knob

displayed.

bunon

frequency will

CHANNBL STEP

Transceiver's

select

a different step rate for VIIF

"SP"

present

(or

(or

press

again to store the selected

again be

displayed.

rate

step

will

step rate will

after

the microphone's

to 5

be displayed.

you

initialize

kHz, l0

be displayed.

srep

kHz, 12.5 kÊlz,20

and

microprocessor),

the

DOWN

UP or

rare in memory. The

UIIF).

NOTE:

bunon)

When

it

Detail

t

ræt

2-5A

Page2-22

Heath'"

SETTING

NOTES:

you

have

If

1.
displayed
press

the CALL

microproc€ssor

the
A

simplex

frequency.

recall the call

To

1. Press the CALL
display

Press

2.

|

t

frequency

for

the selected

CALL button

the

!I

tr

lt{ ,-

-r

I

previously

not

m and

for 2

buÉon.

frequency
However,

buuon;

t-l ,-f

r--r. tJ

THE CALL

selected

"446.000"

These freçencies

your

in

from.memory

a small

band.
again; the

Transceiver.

(146.52

you

may

"c"

previous receive

MHz,

instead use a

(Detail2-58):

will

U

FREQUENCY

ftequency,

a call

(MHz)

will

will

for example)

lit above the

be

"

146.000"

displayed

be

be displayed

also

is most

repeater frequency.

fint

frequency

for

often used as

on the

digit

will

-l:r

t

. u,:

I

tL[.

l

(MHz)

when

70 cm

when

frequency

displayed.

be

lL

will

you

rr

r_(

be

you

reset

a call

Detail 2-58

Heath"

place

To

l.

2.

a new

hess

the

Set

ttre

desired

qnency."
"c"

will

begin

CALL

NOTE'4!

call frequency

butron.

call

frrequency.
soon

to blink.

in

memory

you

as

@erail

If necessary,

start

tuming

2-5C):

the Frequency

refer

"setting

to

the

flning

Page2-23

Operating

tnoU,

tnJsmatt

Fre-

3. hess
lit

and,

NOTES:

l.

2.

I

rk'tlr-

t

l-t

the

CAlltutton

provided

To

exit

this

"c"

will

now

displayed.

you

If

wishto

2-r2.

I

fifi n

rlr.|-l

X

I

CALL

ffi

i1K

\\)

\l

again

the

receiver

mode,

press

extinguish,

use

theMEMO

|.|

ûo

store

the

callfrequency

section is

the band

ard

squelched, yôu

button

the initial

buttonto

for

the

operating

memorize

2

FL

ASH

1r

clt,-r-'r11

I

-r

j

r--t

I

|

tI

t-t

t

,@\

in

memory.

will

near

you

band

the

are

-frequency

call frequency,

f.i-

1

LIGH

,l

u,:

.l

The..c"

a tong

ueef.

using. The

wilt

referto

t

,:

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t

CALI.

r$d

hl\\

ïI

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will

small

again

page

n

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t^l

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stay

-

be

Detail2.5C

Page2-24

Heath"

SETTING

NOTES:

1. When

20kIIz Steps

To

change the displayed

1. Set ttrc Frequency

2. Tum

the

displayed

you

change the operating

I MHz and

use

fine

a
select,

The following
one

Frequency

frrom five

step

are outlined under

of the other

fr,equency

THE

100 kHz

possible

procedure

four

available step

frequency

Selecûor

lever

Tuning

will

increase

OPERATING

steps

options.

"Changing

uses a step

in 20

to the

knob

clockwise

(or

(transmit

for

the

kHz

steps

VFO

decrease)

and/or

coarse steps. In addition,

These

the Channel Step" on

rate

of

rate

options.

(Detail

position,

(or

counterclockwise)

in 20

FREQUENCY

receive) frequency,

how

2-5D):

if

this

kHz

and

has not

step6,

options,

20kÉlz; however,

to set the one

Page

you

already

several steps.

you

may

2-21.

may

been done.

you

may

select

use any

The

you

I

r( |

I

-(

rl

I

fl

I

tl

f t I

f ,l

f

f

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ff.

I

t]t

I

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I

I

-(

n

,:

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kHz

20

i-i

l-t

tlr

X

20

r-t

n

fl-fu

u\

tHr

f-f

STEP

,-t/

,-t\

STEP

n/

Detail2-5D

Heath"

kHz Steps

lfi)

Page2-25

100 kHz

To

change

1. SettheFrequencySelectorlevertothe

2.

3.

NOTE:
microphone's

the displayed

done.
Be

Tum the
displayed

"SP"

sure

Frequency

With the

UP and

frrequency will

Frequency Selector

frrequency

is not displayed.

Tuning

DOWN

in

lOOK/NlHzposition,ifthis

If it is,

knob clockwise

increase

lever in the

buttons

press

(or

decrease)

ûo change

I

(Detail2-58):

steps

the SP
(or

l00KÂ1Hz

the

button;

counterclockwise)

100 kHz steps.

in

position,

displayed

t

t

lr'l

r

tl-ti-t.

È

. L(

-t

rlr.

I

t,.El-l

rr,:

hasnotalreadybeen

"SP" will extinguish.

several steps.

you

frequency

f'-r t-r

r-r

-r

tHz srEP

roo

I

may

in 20

1-t.

Lt

\

still

kHz

use

i-l(

srEP

kxz

roo

I

nnn/

f

UlJ-

The

the

steps.

Detail2-5E

Page2-26

Heath'-

I MHz

To

1.

2. hess

3.

NOTES:

Steps

change the

Set the
done.

Tum
displayed frequency

l. With

2. To

3. To

Frequency

the SP buton;

Frequency

the

the microphone's
20 kHz

change

Selector lever

change

Frequency

the

displayed

the Frequency

ftequency

Selectorleverto

"SP"

Tuning knob

will

steps.

the

displayed frequency

to the

the

displayed foequency

Selector lever in

in

I MHz

the lO0KfvfFIz

will

be displayed.

clockwise

increase

Selector lever

UP

DOWN

and

VFO position.

(Detail2-5F):

sæps

position,

(orcounærclockwise)

(or

decrease) in I MHz

in

100K/Àdllz

the

buttons

the 100KÂ[IIz

inà}ktlz

in 100

to change

kHz

if

has not

this

steps.

position,

the displayed frequency

steps,

again set the Frequency

press

steps,

position).

the SP

"SP"

already

several steps. The

you

may

bunon

will

been

still use

in

(with

extinguish.

I

t-r

f.XU

I-t

fr

I-ttj.uu

{r

,-

,f

I-t].t-trl

r@r

!'

EE

f f

t-

l-tnn

I

tl-ttlr.Xtlll

t

SP

f-ô--l
r t\ l

Àl \E

I \t ' \

t rf

I

I f t,-

t

|

t

t-t t-t

nn

nf-l

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f-l

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IHr

STEP

t-t/

U\

l|Xr

STEF

n/

U

\r

Detail2-5F

Heath"

Page2-27

REPEATER OPERATION

Transceiver

Your
"modes"

frequency, shift or offset
easily
function
repeater in memory.

NOTE: When
provide
meter band. On the 70 crn band,
of 5.000
transmit
both bands

RMR MODE
NOTE:

To

1 . Select the

for repeater operation.

access

makes it especially convenient to

a transmit

MHz

frequency is lower

In

this

recall a repeater operating

"MAII\|'will

responds

most repeaters

pressing

By

power

you

frequency of

provided.

are

is

Hz.

88.5

mode,

desired

appear

you

main

to the

frequency, shift direction,

your

up

than

can

frequency from memory

band by

in red

need for divenification

By

seuing

within

RMR

the

Transceiver

146.000 MHz

a transmit

The

shift direction

receive frequency.

the

store only one

pressing

on the display

the various

your

range.

place
button,

for

and

frequency of

r€peater

the

the operating

you

the

for that band.

providing

by

operating

possibly

and

The RMR

can then

first time, the

a shift

446.000 MHz

for both bands

The

frequency in

@tail

proper

(repeater

parameters

quickly

frequency

subaudible

2-5G):

button

bard

pammeters

frequency),

tone

access this

RMR

and

of

and a shift

negative;

is

tone

memory

(144,

independent

two

(receive

you

memory recall)

your

for

600

favorite

repeater.

RPT

switches

kHz

on the

frequency

is,

that

frequency for

per

band.

for

example);

can

2

the

I

I

|

|

lffi.rrr

w

-t -t -t

l(

l l.

+

BANo/ ccLl

-

-f

t-

rl

,_l

Detail2-5G

2

/PUSH

OIM

Page2-28

2.

S9t the Frequency
already

been done.

Selector

lever

to the VFO

100IVÀ4Hz position,

or

Heath"

if

this

has not

3.

4.

Press

the RMR

RMR

and the

Press

the microphone

3

|

,_tr:

t

l-tn.

RrF

button

operating

E@

I

-

II RMR II

|INJJ

$l\

\l

(Detail

frrequency

PTT

-t

-f

f ,:

2-5H)

switch

n
r-l

to select

stored in

to

access

"repeater

the

memory

your

repeater.

memory

will

be displayed.

r€call',

mode;

Detail

2-5H

Heath-

"

Page2-29

OPerating

Changing
To change

1.

2.

3.

NOTES:

Changing
NOTE:

transmitting

are
direction
endofaband(abovel474æMHz,forexample),youmustuseapositiveshiftdirection'

the

oPerating

the

Be sure
Set

ft"qu"r."y'io

r".Ol
ri.tirpnon
for

Press

frequency

1.

2.

"SP"
frequency

ttre

to'acceptih.

RMR

the

RMR

the

Refer
frequencY

you

If

the

Iniûally,

usually

not displayed;

is

nPige2-24.

's

ùP

function.

button

now

is

Page

to

wish

Shift

your Transceiver

frequency

a

on

is us.àïn

FrequencY

ftequencY:

the

for

"RMR"

nrn" operating

DOWN'buttoni

and

again;

in

stored

if

2-11

memory.

in

change

!o

Direction

tf*

if it

selected

"RMR'

memory.

wish

you

shift

the

is set

lower

is

that

to* end

press

is,

repeater

will-be

frequency'

to

will stay

to

and

for a

thai

a band.

of

button

SP

the

outlined

as

blinking,

cttangethe

use

tone

negative

irdi_cating-gatthe

lit,

MEMO

the

frequencies,

shiftdirection'

your receive

i{owever,

until

"Setring

in

NOTE:

frequency,

indicating

You

button

refer

frequency'

access

to

is extinguished'

it

the

memory

not

can

are

they

as

new operating

ttre

that

place

to

2-30'

Page

to

means

This

negæive

A

rcpe{9J

a

Operating

is now

the

use

disabled

RMR

the

you

that

shift

at-tne

$ett

To change

1.

2.

4.

NOTE:
microphone's

repeater
frequency

band

the

to
Be sure
Press

memory
Press

direction

the

the

the

If the
mode),

the

so

limits

positive shift

a

"SP"

and

ready

now

button

Uutt"n,

the

and

snifted

buÉonl

in

frequency

Transceivèr

b."A

REV/+

is

RMR

is stored

shifted

PTT

for;;h

direction:

"RMR"

"RMR"

accept

to

again;

memory.

displayed

ittt

frreçency

in tire

indicators

the

I'

lvfR"

falls

will

falls

"specifications"

are

will blink

shift

new

will

outside

frequency

t"tuin

inside

the

the

now

in the

displayed'

"+"

and

direction

be

amateur

not

will

receive

amateurband'

section

will

indicating

lit,

band

.change

mode'

of

be

NOTE:

lit,

when

(e-venif

Manual'

this

indicating

the

that

you

you are

case'

ln this

necessary'

If

the

that

new shift

the

press

the

in

the

reset

find

Page2-30

RPT MODE

HeatH

preparc

To

l.

2. Set the

3.

4. Press the microphone

for normal r€peater operation

Page

t-r i-r

f-l f-f

main

in red

2-24.

|-r

r-1

U

Select
"MAIIV'

Frequency" on
Press

displayed.

the desired

will appear

ftequency for

RPT/SHIFT

the

@

r-

r-

| | |

-rrlr.,JX

r

I

I

ralo/cdl

Fnt

Ktr

(Detail

band by

the selected rcpeater as outlined

bunon to select the

PTT

pressing

on the

NOTE: This will

switch

display

to

2-5I):

the

for

acc€ss

your

proper

be
normal

bard buuon

that band.

your

repeater mode;

repeater.

receive fr,eçency.

2

!a

'? -l

r-

f f

a

)-1. , r-

|

a

I

I

I

t

t_l

i-t

+

r@\

in

"Seting

I

I

t

(144,

.Xrl

f

I

PP1./!3HIFT

ER

for

example);

the Operating

"RPT"

EE

-llrr-r

tL

Lt

i

\\

t-l

will

be

'Ml6*"

+

Changing

NOTE:

transmiuing on a

are
direction usually
end of a band

To

change

1. Press the SP button; the
Press

2.

the Shift

Initially,

(above

positive

to

a

REV/+ button; the

the

Direction

your

Transceiver

frequency that

is

used on the

L47.4æ MHz, for

shift directon:

is

set for a negative shift

is

low

end of a band.

(special

"SP"

"+"

Bld,:r'

Detail2-5I

lower than

example),

sign

your

However, to access

function)

will be displayed.

direction.

receive

you

indicator will be displayed.

frequency. A negative

must

use

This means

repeater

a

positive

a

shift.

that

at the

you

shift

high

Heath"

NOTE:
microphone's
repeater

frequency

the band

Changing

If
mode), ard

shifted

ttre

PTT

the shifted

so

limits

Shift

button,

the

for

each band

and

frequency

the displayed

Transceiver

frequency

Tone

falls outside the

falls

in

the

Frequencies

amaæur band

frequency

will remain

inside

"Specifications"

will not change

in

the

amateur

the

receive mode.

NOTE:

band.

section

of this

you press

when
(even

In

Manual.

you

if

this case,

If necessary, find

Page2-31

the

in

are

ttp

reset

the

To

change

l Set the

Press the SP

2.
Press

3.
"05.000"

'

e-r

ftequency

shift

the

Frequency

RPT/SHIFT button; tlrc

the

on 70 cm)

Selector

button to display

will

(Detail

be displayed.

2-5J):

lever o the

"SP"

the

current shift

VFO

position,

indicator,

frequency

has not already been

if this

has not already been

if this

("00.600"

done.
done.

on 2 m, and

I r

x{Fn

r,ll

I

16\

Detail2-5J

Page2-32

Heath"

4. Tum

5.

6.

7 . To

NOTES:

l.

2. The

3.

USING A MEMORIZED

the Frequency

as necessary,

Press

the RPTISHIFT

will

be displayed.

Tum

the Frequency

necessary,

as
frequency
a subaudible

complete the change

initial

operating frequency

You

can set

shift frequency

you

When

until the

until the

from

37

tone).

shift and

change

Tuning knob

Tuning knob

available

tone frequencies

initially

the

(or

desired

button again;

desired tone

(store

shift and

shift

(or

options, including

it

in memory),

will

be

displayed.

is

set to

tone

FREQUENCY

press

frequency

the current

press

frrequency is

independently

600

freçencies,

microphone's

the

is

microphone's

the

press

kHz

on

DOWN

UP or

displayed.

frequency

tone

displayed. NOTE: You

(if

you

Hz

0

RPT/SHIFT

the

for VFIF

2 m,

and to

they are also

("88.5"

DOWN

UP or

do not wish

button again.

and UFIF.

MHz

5.000
changed for RMR.

buttons),

for

88.5 Hz)

buttons),

may

to

transmit

on

select

The

70 cm.

a

NOTE: Before you

in Memory"

cies

you plan

If
2-5K):

1. Press
appear

2.

Set the

Tum

3.

channel numbers

I

I

on Page

to operate

the

button for

in

red

Frequency

Frequency

the

rrl- t1 fi

-t

tlt,J

1

I

Frlrea'ro7C-Il

str

continue with

2-35.

on a repeaær

the

selected main

on the

display for

selector lever

Tilning

0 through

l-t
t.1

x

following

the

that band.

to

knob

is

9,

displayed.

procedure,

frequency

band

position.

MR

the

until

the selecæd memory

you

that

(144,

first refer

have

for

example);

I tf

.

"Placing

to

stored in memory

"MAIN"

address, indicaæd

E!
f-

t-

-t

I

L-f.

:t

-t

t:

Frequen-

will

l-t
t-l

t

r@\

(Detail

again

by

Detail2-5K

Heath"

Page2-33

REVERSING
RECEIVE

following

the

Use

handy

is

1.

2.
NOTES:

l.

2.

USING
As stated

frequency

To

1.

for listening
Be sure
Press

To exit

necessary,

If

THE

recall the

press
display

TRANSMIT

FREQUENCIES

"SP"

REV/+ button;

the

from the

CALL

under

your

ils

call

CALL

the

for the

AND

procedure to

tg the

is not disptayed.

rcverse

refer to

FREQUENCY

"seting the

frequencY.

call

frequency

button;

selected

reverse

other

"REV"

mode, simply

2-13.

Page

CaIl

from

a small

band.

transmit

the

station

memory

without

press

it is,

If

will be

Frequency"

@etail

"c" will

and

going

the SP

displayed.

press

the

Page

on

2-5L):

lit above

be

receive

through
button

rtEV/+

2-22,

the

freçencies.

repeater.

a

extinguish

to

button.

you may use

digit

first

This

it.

on the

feature

repeater

a

frequency

Z.

press

CALL

the

1c ll l-

I

I

bunon

-t
L-t

again;

l-l l-{

l-1

,-t

previous receive

the

Detail2-5L

frrequency

I ttr-

i

lîr]r.

will be

-f

a;:,-l

displayed.

r(

:l

Page2-34

HeatH

To

place

a new call

frequency in memory

1. hess the CALL button.

The

operating

(Detail2-5M):

frequency

currently

in memory will

stored

be

displayed.

2. Setthedesiredcallfrequency.Ifnecessary,referûo"Settingthe OperatingFrequency"
onPage

2-24. As

soon as

you

starttuming the

FrequencyTuning knob,

the

small

"c"

will begin to blink.

Press

3.
lit

and,

4. Press
To

5.

change the shift

the CALL

provided

the

bunon

receiver

the

RPT/SHIFT button to

direction,

again ûo store the call

section

which

is squelched,

enter the

repeater mode;

is initially negative,

frequency in memory. The

you

will hear a

"RPT"

will

complete

"c"

will

long

beep.

be displayed.

steps A

through

stay

B

below.

"c" will

mode

"SP"

wilf

"+"

place

lit, indicating

be

and retum

be displal'ed.

will

sign

the

to the conventional

be displayed.

frequency into memory. You will hear a long

memorization is

that

repeater mode,

compleæ.

press

beep

the CALL

A. Press
B.
6,

the

SP

Press
Press

REV/+ button; a

the

the CALL butûon to

buron;

and the small

7. To exit the call
button again.

By

storing the

ftequency for

call
you

can very

frequencies

are used for

frequency

a second

quickly

q

I

I

switch between the two repeaters. NOTE: The

I

U,:

f

I

Lr.xuu

i

CTLL

[-Â-.1

î1\r(

$)

\l

your

of

favorite

repeater

both CALL and

,-r,1 r-l

I

repeater in

one

memory

(RMR);

and

by using the

and storing its frequency in another memory

shift and

same

RMR.

I

LtcHT

fE

,cttt't-'tn

I I rL(_rL

t

C LL

|J

ft

A3x

tr

tÊ ttl- t'

-t

f-r.

t

I

i

I

-t

tj.

t1

t-t

ræ\

llOHT

f

9I

, ttt- t-

,l rLr._rL

#

=./

Detail2-5M

-t
fi

trr

t

!"

u

.--

+

I

ttt'

I

l-tft.if

ll

'ér,

#{-

=7/

t'

-t

t1

11

(CALL),

tone

+

Heath-

"

PLACING

FREQUENCIES

MEMORY

IN

Page2-35

STORING

following

the

Use

Press the bunon

1.
in red on

the

Set

2.
NOTE:

the
appear
mémory

3.

4. Set

5.

6.

As

l0 mem-ory

above

address.

Tum the

the
Press the
Tum the

is displayed.

place

To

7 .

near

a

now

be

A SIMPLEX

procedure

forthe

the display

Frequency

you

continue

addres

memory

the

will, however,

It

Frequency

Frequency

MEMO button;

Frequency

the displayed

FREQUENCY

to

selected

for the

Selector

tum

to

numbers

address

Tuning

Selector

t}re

Tuning

frequency

long beep, dignifying

lil

place

a simplex

main band

selecæd

lever to the

Frequency

the

(0

through

number.

stay

knob to

lever to

"M"

on the

knob until

in memory,

memorization

that

frequency

(144,

band.

(memory

MR

Tuning

will,

This

in tum,

"M" will

9)

tit for every

VFO

memory

position.

an empty

the

display

frequency

the

press

is complete.

in memory

forexample);

position.

following

in the

displayed.

blinking

be

address.

knob

be

memory

full

recall)

address.

will be blinking.

you wish to

that

MEMO button

the

The displayed

@etail2-5N):

"MAIIV'will

step,

an

Also,

for every empty

place in memory

again.

appear

of

each

"M" will

will

You

"M"

will

-

r- tJ t1

rr

a

-I

I

I

EL,J,J

I

FEiEril

$tr

Detail2-5N

t-t
IJ

r

-t

L

tæt

It

ttt-

l-rtltUX

t

Iæ

ftft

llett

r

lr

f rr l- tl tI

-?f-rù-ruLr

rt$ nxtoty

rtlsù

tr

-r

-

rt,-

-

-rrlrux

t:

I

riû no,ia|rory

t'L-l

t'1

l-l

l.'

I

n

rJ

@*

+

f

-r

rl

-E

:Zr

lleàt

l-t

l

E

.r--\_

I

_

rttlrlt-l11

t,uux

Page2-36

NOTES:

Heath-'

1. You can
the

If

2.

not

position.

MR

you

wish to use the

refer to the

STORING

place

To

A REPEATER

repeater frequency in memory

a

1. Press the button
in red on

Set the displayed

2.

the

display

Page2-24.
Be

3.
If

NOTE: If a
operation,

the

than

"Changing the Shift

to

"RP/T"

sure

"RPT"

is not displayed,

"+"

sign

a negative

receive frequency.

place

frequency in memory with the

a

microphone

instructions

on

Page

FREQUENCY

(Detail2-5O):

for

the selected

for

frequency

is

displayed,

is not

displayed

()

shift

will

You

that band.

main band

as explained

indicating that the

press

the

RPT

for the band that

be used.

can,

This means that ttp transmit

however,

Direction" on Page 2-30.

recall the contents of

to

2-12.

(144,

for

example);

"Setting

under

Transceiver

butîon ûo

tum this

you

change to a

positive

Frequency

Selector

a memory address,

"MAII\|

the Operating

is in the

repeater mode.

indicator on.

have selected

frequency is lower

(+)

shift.

To

in

lever

'

will

appear

Frequency" on

repeater

for

do this,

refer

4.

the

Set

r

a

,tr- nn n

,

,'-lErxxr

t

r$o-æi]

Ftu

str

-

-r

rtr-

--r l-ttlt

t

Frequency

-l

-t

fi

tf

r

Selector

lever to the

(memory

MR

-LïY

fiË,\sul

rLAtx

i

_-^.

\\L '/

!a

ttt'

tu.,t-

recall)

tl

-t''r

position.

i

/A.

.Zffii?

w

I

'lln

l'

tt

_1

(L(

l-

I

;

E

t-l

t

+

rrL^ri

'I

rtr- 1

-ti-rCr

I

-l

l1

tfx

t

Detail2-5O

-ffiI

1 rlr-

-rft

l

-r

rft,

i'

m

Àt

\\)

\l

''l -t

\\\

tl]

lt
t-t

Heath-

NOTE:

memory

10

the

;f;;;bde'the
address

"

you continue

As

aooress

is displayed.

that

to

nu.U"..

address

number.

The

tum

the

(0

"M"

ttgough

will,

Frequency

The

gfwiU,

i'M"
however,

Tuning

in-tum,

be

will

remain

in.the

knob

displayed'

be

blinking

if the

lit

following

every

for

memory

step'

Also'

empty

address

Page2-37

each

"M"

an

will

memory

firll'

is

of

Frequency

the

Tum

5.
Frequency

the

Set

6.
MEMO

the

Press

7.

g.

Tum

g.Toplacethedisplayedfuquencyinmemory,presstheMEMobuttonagain.Youwill

hear

you wishto

If

memory:

in

Press

1.

2.TtrmtheFrequencyTuningknob(orpressthemic.roP.hone'sUPorDowNbutton),
as

3.Toplacethenewshiftftequencyinmemory,presst}reNryMobuttonagain.Youwill
hear

you wish

If

memory:

in

F't.ess

l.

Frequency

the

beep,

long

a

change

MEMO

the

necessary,

beep,

long

a

change

to

MEMO

the

Ttrning

Selector

button:

Tuning

signiffing

shift

the

bu$on

until'the

signifyiilg

tone

the

butron

knob

to

lever

"M"

the

knob

,..,.*À.irutlon

that

frequency

the

again;

selected

frequency

shift

thât

again;

the

position;

vFo

the

will be

until

immediately

memorization

blinking'

desired

the

is complete'

after

current

frequency

immediately

current

shift

is displayed'

tone

after

is complete'

memory

empty

an

to

address'

"M"

the

operating

The

place the

you

frequency

place the

you

frequency

extinguish'

will

frequency

will

"M"

repe

displayed'

be

wili

repeater

displayed'

be

will

is displayed'

stay

norv

frequency

ater

frequency

lit'

2.TumtheFrequencyTuningknob(orpressthemicroptorte'suPorDOWNbutbn)'
necessary,

as

3.Toplacethenewtonefrequencyinmemory,presstheluPMobuttonagain.Youwill
long

a

hear

untit'tne

beep,

sele-cted

signifying

thât

frequency

one

memorization

is displayed'

is complete'

Page2-38

Heath"

CHANGING

To

change

1.

Press

the
the

in red

2.

set

the Frequency

3.

Tuln

the

is

displayed.

4.

Set

the Frequency

hess

5.

6.

7.

the MEMO

Press

the MEMO

T[tm

the Frequency
asnecessary,
still be

place

To
hear

long

a

THE

SHIFT

shift frrequency

on

bunon
the

forthe

display

Frequency

Selector
button;
buCon

until

the

blinking.

the nelv

shift

beep,

sigrufying

FREQUENCY

stored

selected

for

that

selector

Tuning

the',M"

agalrË

Tîulg

desired

frequency

at a repeater
main

band

memory

(144,

band.

lever

to the

knob

until

lever

to the VFO

on

the current

kmbJor

press

shift frequency

in memory,

(memory

MR

the number

position.

the

display

shift frrequency

the microphone's

is

displayed.

again

that memorizatiinis

address

forexample);

recall) position.

forthe

will

selected

be lit

will

IJp

At

this

press

theMEMo

ôomplete.

(Detait

2-5p):

,,MAIIV,will

memory

be

displayed.

or DowN

time,

the.,M"

buton.

appear

address

button),

wiil

you

will

9.

Press

'l

r

:l

faarr

RB

the MEMO

l,:'

Ë,'

t

ru/æLl

buuon

I

w!)

vGv

:l r'iii lrr

-^

--.

IæÈf
lTEIIfl

v

r

I

I

rwice

X

retum

to

ûo the

conventional

R\

v

,-,ir,.,,

t-,U-uu

I

/^

t-l

\€E!/

t

r4rt{

.I

nr-l

J

-. Lr Lr. u L,

ût-r

repeater

,J

mode.

flt

f-f

wÎ

ci^rt0

TO

.r

n,-r

-'?

J

UL('JIJLl

R\

,atoutrcv
tior

tX

t

E

\'

ttt.

L.l

ta

q

rrl

t'?

n

Detail2-5P

Heath'

Page2-39

CHANGING

hess

A

i;

tÏre

Set

the

the

on

change

To

l.

2.

TONE

THE

frequency

tone

button

the

for

disPlaY

Frequency

FREQUENCY

a

at

selecæd

the

that

for

Selector

lever

repeater

main

band'

the

to

memory

(144, for

band

(memory

MR

address

(Detail2-5Q):

example);

recall)

''MAIN',

posiûon'

will

appear

3.T\rmtheFrequencyTuningKnobuntilthenumberfortheselectedmemoryaddress
disPlaYed.

is

posidon'

VFO

the

to

4.

5.

the

Set
Press

Frequency

MEMO

the

Selector

button;

lever

the

"M"

on

the

display

witl

be

lit'

6.PresstheMEMobuttonagain;thecurrentshiftfrequencywillbedisplayed'
T.PresstheMEMobugonagain;thecurrenttonefrequerrcywillbedispiayed.

8.

g.

the

Tum

necessarv,

as

display

the

options,

place

To

rotg

a

hear

Freçency

Tuning

*tiiG

wiffiïË

i'cruâirifdir,

tone

new

the

u."p,îiù]ytig

k'Pb

iif Voî

t*ËTË"tv

NOre-:ïàuÉuv

Oo

i"béted

bii"king.

frrequency

thât

microphone's

the

press

(9l

i;o"'o-t:f*'

to'transmit

*itn

noi

memory'

in

agln

memorization

sel'e*a

pressthe
complete'

is

or

LP

this

At

frequency

subaudible

a

MEMO

DOWN
dme'

from

the

37

tone)'
lever'

button)'

on

"M"

available

will

You

NoTE:Youcanplaceatotaloftel{ilrgrentpainofshiftandtonefrequenciesforboth

ili*;,

L1

il

--4.

g\\

ur [t

t-_\l

lEit

-ffi'

ry*t

w

'1

rrr-'l'Tr'1

lii-r[t

bands

in

memory

.;[.

:;

,

Fr6/E!f

sB

memory.

addresses'

.r

i

t

"cru.l,j'"*à"'liwi;;rovide

I

I

I

ttlU

&*

,.r1,:

u

-+-.

rwo

\'

u

Ll.

t

{

t

l-l

additional

dedicated

tl^ll

-

I-

:l

l*t"t-

7

_l

I

_'1

t

t

g

-t

E

R\

t\

,l\t

-!r

I

i.

i

!

Detail2-5Q

Page24O

CLEARING

A

MEMORY ADDRESS

Heath"

To clear a

1. hess the button forthe selected main

2.

3.

4.

5.

6.

memory address:

(144,

band

in red

on the display

Set the

Tum

(containing
Set the

PressthebusonfortheselectedmainbandwhileyouholdtheMEMO
The
that the

To

Frequency

Frequency Tuning knob

the

the

Frequency

"M"

above the memory

selected

exit ftom

this mode,

for

that band.

Selector buton to the

memorized

Selector

memory

frequency) is
lever

to the

address number

address

press

the bunon for

MR

until the

VFO

is

cleared.

displayed.

forexample);

(memory

number for

position.

on the display

the selected

the selected

recall)

will now

main

position.

"MAfl{'will

memory

leverdepressed.

blink, indicating

band.

appear

address

Heath"

Page241

SCANNING

you
mode.

Pause scan
or

Busy scan
seconds
scan.

SCANNING

To scan

1. Press

2.

3.

4.

make

can

matter

No

ceases

the signal

when

stops

after

the

the button

in red on
Be sure "SP"

extinguish.

the

Set
already

Press the

memory channels

Frequency

your

Transceiver

which

scanning

the signal

THE

the display

been

MS/SCAN button.

mode

when a

disappears,

does

done.

signal

when a signal

disappears.

MEMORY

for

selected

the

for

not

appeal

Selector

in

memory-frequency

scan

you

whichever

@tail

that

the

choose,
received. Scanning

is

NOTE:

CHANNELS

band.

on

lever to

you

occurs

is

The

2-5S):

main band

the display.

the

mode or the

pause

can either

will then

first'

received, but scanning

no indicators

display

VFO or

has

(144,

for example);

it

If

does,

100

scan

resume

press

the SP

k/TvIHz

"MAIN"

position,

dial-frequency

five

seconds

pause

for

bunon;

if this

scan.

and

will

appear

"SP" will

has

or busy

resumes orny

later

lll2

busy

not

Scanning

5.
channel
decimal

To exit

r

t

l-ti:t.XUU

memory

of the

continue

and
point

in

the

memory scanning

the

EE

f

{t-

firl

l-f

I

tN EAfttD/CCL

$u

channels

in descending

displayed

will now start

frequency

mode,

Detail2-5S

only

order,

will be blinking

press

MS/SCAN

the

ff

7*E

ft ,-

u

tl

UEIIORY

with

the

skipping

t-t

r1

,:(

It

f*J

l_t

memory

Also, the

ones.

scanning.

-t

t:,

l

^l

-tl

ash

NUMBER

TEMORY

empty

the

during

numbered

the

again.

highest

button

r

.ur_

f

i

L(.

osKrPs

WITH

ADDFESSI{UI'BER

THE

NO

,-{

U

Page242

Heath"

DIAL.FREQUENCY

NOTES:

l.

The

display

2.

Your

Transceiver

I

MHz

Scan

To

scan

any I MHz

l.

hess
in red

Be

2.

3.

4.

5. Turn

surc

Press
S-et t$

already

segment

the

on

the receiver

the

Frequency

been

the Frequency

bunon

the

display

SP

buron;

done.

you

that

segment

SCANNING

has

no indicators

forthe

selected

for
section
"Sp"

Selector

Tirning

wish

to

only

of a

that

is

will

lever

knob

scan is

scans

selected

band.

for

dial-frreçency

between

(Detail

band

main

squ'elched.
be displayed.

to

the

until

displayed.

(144,

band

VFO

the lower

scanning.

whole

multiples

2-5T):

forexample);

or 100KÂrtHz

frequency

of I MHz.

..MAIN,will

posirion,

limit

of

if

the I

this

MHz

appear

has

not

band

6.

hess

the MS/scAN

bunon:

scaruring

will

Detail2-57

start

at

the displayed

frequency.

'j-il--l

L'

f

I

u

t

n

-rE

-ILr

U

t

11

t:

-1
,_t

t_,

_t

i

HeatH

Page243

Band

All
To scan

press

1.
in red

Press

2.
Press

3.

Press the

4.

Press

5.

I
t

Scan

the selected

the

on the

the

the

the

t

rrf-

-r
tlt ,J

I

band

bunon

display

button;

SP
MS/SCAN

button

SP
T.SQL/STEP

i.il-t

)-t ,-.

t

BArro/ccLl

Fx

-r'-

ll r,- f, ll .6 U

[ Ân R il

tL nlt lut

-\\ft--

from

forthe

for

"SP"

button;

during

i-t

end

orle

selecæd

ttrat

button;

main band

band.

will be

I MHz
MHz scanning'

I

scanning

rf

r rrf- Lf

r

the other

to

displayed.

scanning

of

l-rtlt

t

SP

(Detail2-5V):

(144,

for example);

will

entire

the

ff

l-l

t,J lJ

start'

band

I

"MA[Y'will

will start'

3

I

rLl

'.,,xJl

ts/scÂrl

r

ii.i

rberJxrno

;

appear

il

\\

SP

ffi

i

rLl

rueex

ii

J

i-i

TT

SCAlllllxG

Detail2-5V

1. SO/grEp

8CAta3

THiOUGI{

(ALL

SCAH)

T}lE

BAXO

Page244

Heath"

SWTTCHING

To switch

1. Press the SP
Press

2.

PAUSE AND

pause

scan and busy

MS/SCAN button

the

-

Lihn|

a

rtrotv tcAt

o tIHt tCAl

ALL ICAX

.

DOWN SCANNING

OR

UP

button during

7?Lttx

n

t

BUSY SCAN

(Detail2-5W):

scan

scanning

to switch

(memory

pause

t,T

lrti,!rT,Il:l

7ytsJl

Detail2-5W

I MHz

scan,

and busy scan

scan

I

?)

I

t

FL

or all scan).

scan,

li5,:'

rLi

nnJl

r3/scAr{

R

[l

To scan upwards,

and all scan).

scan,

2-sx).

press

ln

I

microphone

the

the same manner,

E

Ll

r

Ef'li

.

IEIORY
tIHr

a

ALL SCAX

O

UP bunon

press

TFLASX

i-l

TCAX

SCAX

Detail2-5X

during scanning

DOWN button to scan

the

(rrciotlloxc)

b6ril

lEl

+

(memory

downwards

scan,

I MHz

(Detail

HeatH

Page245

TONE
To

l.

2.

3.

4.PresstheMSÆCANbuttontostartscanning(memory'1MHz'orallscan)'Scanning

NOTE:

and

SQUELCH

squelch

tone

use

pressthebutonfortheselectedmainband(l44,forexample);

red on

in
Press

displayed.

Be surc

will stop
you

The scan

450

the

the

"SP"

only

selected

bands,

MHz

SCANNING

scanning

disPlaY

T.$QL/STEP

is not displayed.

for

modes

for that

tone

the

when

your

Transceiver.

lisæd above

respectively.

(Detâil2-5Y):

band.

enter

bunon

to

it is,

If

modulateJ

that

independently

are

yoù

Also,

the

press

can

tone

SP

the

received

the

set a

squelch

button;

signal

memorized

and

set

different

"MAII\|'willapear

mode;

"SP"

scan

"sQL"

extinguish'

will

matches

for the

for each

mode

the

will

tone

144

be

that

MHz

band'

Detail2-5Y

Page246

Heath"

MEMO

mode

MEIIO

Scan for both

Operation

Scan

PAUSE/BUSY

switching

PAUSE

BUSY

bands:

UP/DOWN

ewitching

ON/OFF

UP OFF

DOWN OFF

UP

DOWN OFF

Examqle

1

T.SOL

ON

ON

gFF

oi.l

ON

Normal Scan Operation

mode

vedety

1 MHz

PAUSE/BUSY

swibhing

PAUSE

BUSY

UP/DOWN

swiæhing

UP OFF

DOWN OFF

UP OFF

DOWN OFF

UP OFF

T.SOL

ON/OFF

ON

ON

ON

ON

ON

Scan for both bands: Example 2

for both bands: Example 3

Scan

144 MHz
memory
BUSY IPAUSb

UP

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band | 450 MHz

(All)

scan

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IT.SOL

scan

OFF

band

(1MHz)

ALL

PAUSE

BUSY

DOWN OFF

ON

UP

DOWN

OFF

ON

OFF

ON

Heath"

Page247

normal

tn

(simplex) communication,

frequency.
Repeaærs

U"ilùing

(automatic

torn..,

oi

ri.pË"prration.

mobile

are

both)

differences
different

To set

betwe€n

frequencie

yourTransceiver

up

2-6A-):

Press the

1.
band.

ttrat

for

your

Set

2.
the

Press

3.
,"p""t

.

direction
t"quit"r
steps.

USING

relay

you

allow

is

This

stations.

two

the

during

s

144 band

Transceiver

RPT/SHIFT

operarion

is neg.iin.

posiltin. shift

u

buÉon

is enabled.

(-),

YOUR

WITH

stations),

to

particularly true

far

As

types

repeater

repeater

for

to

the

to

button.

and
direction,

A

your transmitter

both

which

communcate

your Transceiver

as

of communication

opention

operation

the

select

ouput

the

frequency

"RPT"
tnitially,

tone

complète

TRANSCEIVER

REPEATER

receiver

and

usually

are

antennas

use

over

when either

on

band.

VIIF

will appear

trre

frequency

steps

that

longer

distances

your station

is concemed,

the

is

that

VHF

the

"MAIN'will

repeater

the

of

9n

rt

iùt

is setto

4

and

transmitter

(Pictorial

band

you wish

display

the

^q:.1:y

A_9.1H".NOTE:

5 below'

operate

located

you

than

other

the

or

of

one

and

2-6

appear

on

to

to

qggll'

-i4ic-ate lhat

t-t

Ifthe

Otherwise'

same

the

on

on a

during

can

station

major

the

receiver

Detail

and

display

the

use'

shift

the

repeater

these

skip

tall

(or

use

4.

the

Press

function

button;

SP

mode

"SP"

is enabled.

will appear

on

the

display,

indicating

that

special

the

5.PresstheREV/+bucon;a"+"willappearonthedisplaytoindicatetTratapositiveshift
direction

STTPLEX

OPEtAlIOX

TXlBX:taG.l2OIHr

will

be

used

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transmit

the

ltat.l20IHr

PICTORI

mode)'

ilPr.alll

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Page248

Heath"

tx2

'11,.

I

I

I

oaro/dctl

f

Rtr

In

addition
frequencies
it will

on the

act as

li,

ll

CROSSBAND

to accessing

same

band

an automatic

crossband

-

TE

I

r

HOW

tll

t

tPll3HtF1

lJ

I

Detail

TO

2-6A

USE

REPEATER

a

conventional repeater,

(VHF

and UIIF;,

repeater.

!rr

lrY,5.

R'r

THE

which

you

may

1e0

F

t

9P

\\

tansmits

also

set

rtl5.-lPI

+tu

and receives

your

up

Transceiver

I

t

tlv/+

on

so

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l.

2. Tum

3. Tum

4. Tum

ls.

use

the crossband

select

the
the
the
each

noise

disappears.

with

the

SP button

display for

As

soon as

its

squelch

signal's audio)

As

soon

its

squelch

signal's

repeater:

desired

Squelch

volume

of

the two

both

bands will

a signal is received

opens,

as a signal is

opens,

audio) is

operating frequency

controls for

controls

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held

is

transmined

a signal

nansmined

both

for

both

bands for

confols

depressed,

b_bll$bg-,

a signal

received

press

(which

on the

on the

(which

on

bands

on the

the diqplayed frequency

and shift ftequency

fully

counterclockwise.

pleasant

a

clockwise

RMR

the

displayed

is

being modulated with
displayed

displayed

is

being

modulated

listening level.

just

past

button

three times.

frequency

frequency

frrequency

for

each band.

point

the

with

where

"MAIN"

on the

on the UHF

VIIF

incoming

the

on the UHF band.

incoming

the

on the

VHF

the

band

on the

band and

VIIF

and

band

IIHF

band.

Heath"

Page249

NOTE:
the
time,

5.

6.

your
addition

ri.rgf"

thè

SINGLE

while
you

Underthe

hang time

press

To exit
crossband

To operate

squelch

Transceiver

band

folowing

you

mây

zero seconds,

to

T.SQLÆTEP

tle

the

repeater

system),

to being

opeâtion,

paragraphs

BAND
operate

mute

dso

condition,

stated

above

press

the

crossband

actions

crossband

the

first enable

blngn

repeater

l8ain.

kept

are

repeater

this

CONVENIENT

designed

been

has

to operatein

abte

spùt

expiain

OPERATION

band,

one

on

the sound

one

frequency

these

you

the band

on

repeater'shang

the

T. SQL/STEP

mode,

press

in memory.

with the

furrction

by

FEATURES

provide

to

band

operation,

may

the

wNle

features'

wish to blank

you

that

time

RMR

monitor

an

as

out
not

do

To

in operating

automatic

the

wish to use.

button.

the

CTCSS

pressing the

ultimate

you

or

seconds.

is two

to a two-second

revert

bunon

(continuous tone-controlled

again.

T.SQL/STEP

another,

display

you may use

cross-band

for the

To reduce

hang

repeater'

band.

other

The

In

it for

NOTE:

button'

convenience.

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'I

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2-7 A):

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Page2-50

Heath"

Press

l.

2.

3.

SPLIT
You may

station to operate on two different
example assumes that

it, if

use

For

the

(or press

display
tWhile

display
and

To make the display
band.

example

for

holding the SP bunon deprcssed,

you

"MAIJrl'

FREQUENCY

set up

you

Station

(144

band

SUB

the

band

the

wish to blank out

will appear on the display

your

Transceiver for

wish.

(Figure

A will:

450)

or

lever

forthe

you

2-78):

button

to enter the sub band

you

wish

"undesir€d"

OPERATION

not

will

Place 146.100 MHz
G.PT)

direction, and a tone
together.

for

the band that

to blank out.

press

The

display

freçency operation.

split

frequencies

be

using the

mode. A

for the

for

band

on

tone

in memory

frequency of

shift

frequency of 0.0

you

wish

to blank the display

mode).

the band

desired band.

the

reappear,

the same band.

frequency feature. However,

"MAIN'

(1,,14

or

"undesired"

press

again

This allows

NOTE: The following

address

#3,

kHz,

500

Hz should be

will

appear on the

450)

button

will

band

the bunon forthat

you

using the

positive

a

for,

for

the

extinguish,

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you

may

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(+)

shift

memorized

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A STATIOTI

STATIOI{

146.100

146.600

(DISPLAYED

(rx

B will: Place

146.600 MHz in memory address
mode. A
direction, and a tone
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FREouEilcY)

Figure 2.78

shift

frequency

freçency

B

STATION

146.600

of 500

kHz, a negative

Hz should be

of 0,0

(Dls

146.100

(Tx

#3,

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B

STATION

PLAYED

repeater

shift

O

memorized

EO.)

Fn

FREOUENCY)

Heath-

"

Page2-57

SETTING

a

like

Just

up

set

may

specific
available

your
vour

âî ;.
To set

l.

2.

tone

for

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receiver

i.iôTE,vou

the

Press

press

examPle)
Press

3.
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4.

TONE

THE

repeaær

your

tone

the
the

may

frans'ceivèr

access

to

functions'

both

remain

to

squelch
SP
RPT/SHIFT

will

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the

wilt

Freçency

the

tone

button;

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require

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that

so

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your

squelch,

which

quiet excepi-wtren

different

a

ute

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frequency

will be

"SP"

buttoni

disPlaYed'

bunon;

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be

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5.PresstheT.SQL/STEPbutonagaintoplacethgn:wlgnesquelchfrequencyin
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;mot

rrre

FREQUENCY

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any

can

(Figure

2-8):

displayed'

repeater

the

tone

the

to

knob

freluency

a

that

same

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only

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squelch

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the

set

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certain

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37

used

be

stations

frequency

frequency

desired

again

subaudible

contact

to

CTCSS

nonrepe{gloperaf

for

using

frequency

tone

you

frequenCy

CTCSS

each

for

("00.600"

("88'5"

frequency'

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to access

transmit

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Page2-52

Heath"

TONE
To operate

l.

2.
your

frequency
him

CLEARING

To clear

press
knob to

NOTE:
inæmal batæry
Page

SQUELCH

with

the bu$on

Press
"MA[N"

Press the

Transceiver

within this

unleis

he

contents

the

hold the

and

tum the

To initialize

2-15.

OPERATION

squelch:

tone

for the

will appear
T.SQL/STEP

is now set

is

transmining

ALL

SP button.

power

has been

in red on the

band and

MEMORIES
of all

off.

microprocessor

the

replaced,

selected

bunon

for tone

up

another

sarne

the

memory

10

Then,

band

display

to enter

station

tone

locations

with

the

use the

(where you

for

that

tone

the

squelch

when

procedure

operation.

transmits

frequency

on

bunon

SP

improper

wish to

band.

squelch

each

given

mode.

When

on this

your

that

band

depressed,

operation
under

the tone

use

you

are tuned

frequency,

receiver

(Figure

push

"RESET Terminals"

you will not

requires.

2-9):

Power Switch

the

occurs

or after

squelch);

any

to

hear

the

on

SP

Figure

2-9

Hgath-

"

Page2-53

power

DC

a

Use

(@

'itte

such

CAUTION:
source,

must

BATTERY

The

power
Ùnder

When
be
that
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arp"t"r

3.5
ope.uting

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as

check

not exceed

information

off.

normal

the batæry

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the

time,

source

for

power

automobile

Before

voliage

the

16.0

REPLACEMENT

sûored

lithium-type

A

use,

voltage

the

or

lithium

Electronici

and

with a

HW-24

can be

battery.

you

connect

at the

volts

in

banery

banery

this

drops

mem-ory

battË.y

POWER

negative

and

@10.5

provided

this

banery

Transceiver

the

or

your Transceiver's

is

used

should

below

addresses

strould

Ce.tter.

be

Do not attempt

SOURCES

ground

ampercs

AC-operated

an

by

Transceiver/Repeater

with the

a certain

will

replaced

engine

provide

to

for at

læt

level, the

no longer

produsfs

that
for HW-24H)

power

running

may be

memory

by

damaged'

is

bu._k-up

five

least

displayed
able

be

Heath

the

replace

to

retained

between

operate

to

suppiy

mobile

a

to

above

even

power for

years'

fr'equency

retain their

to
Company

baÛery

this

12.0 and
your

or a

"t2-volt"

fast

a

after

its microprocessor.

or by

16.0 volts

Transceiver.

l2-volt

idle.

information.

a

yourself'

system,

power

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you

tum

no.longer

may

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its

At

high-powered

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t.rnp"*tu..

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on.

tum
off.

prevent

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front of
Therefore,

To

l.

2.

the

remove

Remove
Carefully

filtei

the

Transceiver/Repeater

inside

its

reaches

the

as

from entering

dust

in the

fan,
always

and

keep the

clean

indicaæd

the

pull

from

MAINTENANCE

temperature

limit, a

high

its

mo-nitored

into the

,ear coui..

filter

(Pictorial2-10):

filter

the

screws

six

rear cover

the

the cover

and

version,

not exceed

àoes

assembly,

fan

filter

from

out

cover

the

device

sensing

temperature

A dirty

clean.

straight
set

Model

a safe

automatically

cover.

rear

away

aside'

its

a

reaches

adversely

the

and

HW-24H,

level.

limit,

low

reusable

save

from

the

the

affects

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uses

Whenever

cooling

the

element

fan's

screws

heat

the

cooling

sink'

causes

filter

the

heat

the

cooling

will tum

fan

placed in

is

efficiency.

for

use

remove

Then

fan

sink

fan

later'

to

to

Page2-54

Wash

3.
wash

to
Drain the

4.

filær

the

ir Then

water

lukewarm

in

it well

rinse

from the

If

water.

in

clean

filter, and

filter

the

water.

allow

is

especially

it

dry thorougily"

to

dirty, use

Heath"

mild

a

detergent

5.

6.

the

After
Reinstall

DUST.PROOF
FILTER

is completely

filter

rearcoveronto

the

ELEMENT

dry, reinstall

heat sink

the

it in the

with the six

rear cover.

screws

that

you

removed

earlier.

@{

REAR

COVER

PICTORIAL

2.IO

Page

3-1

Heath"

DIFFICULTY

IN CASE

I

)

OF

/

COND]TION

is comPletelY

unit

The

does

unit

The

panel

app€ars

unit

okay

RF

signals

transmit

to
front

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slrongest

dead.

not receive,

(as

indicated

meter).

to receive

the band.

on

il appears

but

by the

only

lhe

POSSIBLE

A.

B.
C.

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B.
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A.
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c.

CAUSE

fuse(s)

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in

fuse

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versed.

SQL

The
band
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selected

band

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operation,

are using

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frequencY.

rect

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being

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assembled,

erly
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SQL

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band

to the

(squelch)

is turned

using

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in

allowing

band

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antsnna

(squelch) control

is turnsd

power wires.

unit's

in the

the unit's

too

a subaudible
is muted

for the

too far

power

power

unit's

control

far clockwise.

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the

lor tone

up

is set

you

only

to

ind'rcated

as

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connecied,

connections

clockwise.

source'

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for

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squelch

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or

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the cor-

with

by MUTE

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adjusted.

reversed.

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sound

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weak

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does

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is received

does

unit

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with the

not sound

the sub

on

transmit,

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same

is some'

volume

when

band.

but

con-

a signa

re'

it

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A.

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C.

The sub

MUTE

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turned

MAIN
The choice
quency
(in
The shift
rate
you
or

band

being

Volume

too

is not

would

repeater

the

frequency,

frequerny

transmit,

to

for the

450)

as

muted

is

disPlaYed'

the

for

control

counterclockwise.

far

displayed

of transmitter

produce

for

out{f-band

mode)'

tone

is displayed.

press

the

selected

band.

indicated

band

sub

selected

the

(offset)

shitt

operation

lrequency'

NOTE:

band

To

button

by

is

band.
fre-

or stsp

allow

(144

7

Page

3-2

Heath"

CONDITION
The unit

can not

p€ater.

The whole
is blank.

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displayed

The

displayed

power

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being

again.

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in

access

display

frequency

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a specilic

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bands

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when

on

POSSIBLE

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subaudible

quired

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The repeater

Increase

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afiecled

pressed.
display,

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microprocessor

procedure

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internal

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pany

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tone

frequency

to access

your

band's

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press

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transmit

button

display

the

it.

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same

must be

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on Page

lhhium

battery

the

unit serviced

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may

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power,

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was

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reset.

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weak.

by the

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Page 3-3

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