2. Read the text «Telex Communications».

3 Find the Russian equivalents for the following English technical word-combinations:

manual switchboard

hand sending

local record

a character set

shift character

figures shift

pulse duration

telex system

single current signalling

half duplex

common return

frequency allocation

telex machine

single current voice frequency signalling (SCVE)

telex keyboard

address signal

answerback code

heavy duty printer

word processing software

telex network

4 Find the English equivalents for the following Russian technical word-combinations:

подтвердить приём

телексное сообщение

несопровождаемый

различные временные зоны

переключение на регистр букв

перекодировка

тональная частота

станция телексной связи

телеграфирование на 2-х фазном токе

питание, подпитка

величина, значение

служебный код

видеомонитор

держатель бумажного рулона

оконечная телексная станция

3 Answer the following questions:

1 How were the telex networks switched first?

2 How does telex differ from telephony?

3 Why is telex ideal for communication between people of different languages?

4 What should be done to send a written word?

5 How many major signalling system are there in use throughout the world?

6 How does single current operation normally works?

7 What is SCVF signalling based on?

8 What should all telex messages commence with?

9 What does modern telex terminal comprise?

10 What is the modern telex terminal able to do?

4. Retell the text according to your plan

5. Make a short report about three major signalling systems being in use throughout the world

6. Make a written translation of two passages about «Telex Protocol» (59.5)