Plessey PRC 320/1 - Page 51

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local

in

any

position

of

CRL/R

function

Switch

by

depressing

call

button

on

handset).

2.20

Morse

operation.

For

morse

operation

(CW),

a

morse

key

and/or

headset/handset

at

the

remote

position

is

connected

via

a

control,

radio

set,

remote

combining

unit

(RCU)

to

the

D10

cable

in

place

of

the

remote

control

handset,

as

shown.

The

setting

up

and

operating

procedure

is

as

described

for

speech

operation

in

para.

2.19,

except

that

the

CW

mode

is

selected

at

the

RT320/1.

The

setting

up

and

operating

procedure

for

the

RCU,

details

of

which

are

given

in

the

User

Handbook

for

Clansman

Radio

Control

Harness,

Army

Code

No.

61172,

is

as

follows:-

2.20.1

ІТ

the

110

cable

has

been

connected

to

the

LINE

А

terminals,

set

the

selector

switch

to

A.

ІТ

the

cable

has

been

connected

to

the

LINE

B

terminals,

set

the

switch

to

B.

2.20.2

Set

the

function

switch

to

MORSE.

Тһе

equipment

is

now

ready

for

operation

in

the

CW

mode

and

can

be

controlled

from

either

the

local

or

the

remote

position

by

means

of

the

CRL/R

function

switch,

as

previously

described.

When

the

equipment

is

operating,

set

the

WORKING

control

to

obtain

the

required

volume

in

the

remote

headset

or

handset.

To

call

the

local

operator,

turn

the

function

switch

to

the

Spring

loaded

CALL

position.

2.20.5

If

required,

the

RCU

can

be

operated

in

the

speech

mode

by

setting

the

function

switch

to

VOICE

and

the

RT320/1

to

AM,

LSB

or

USB.

29

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