Motorola P Series Посібник з продажу - Сторінка 34

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2-22

FEATURES AND BENEFITS

Now consider the scenario presented in Figure 2-2. Worker A and Worker B are working at a remote

location, outside the coverage area of the repeater. While their radios are conÞgured for repeater

operation, they are unable to communicate.

Worker B

Worker A

Figure 2-2 Repeater Talkaround

In order to communicate with each other, Worker A and Worker B simply switch their radios into

Repeater Talkaround mode (one of the side buttons may be programmed to toggle between

repeater operation and Repeater Talkaround).

When Repeater Talkaround is activated, the radio's transmit and receive frequency are

automatically conÞgured to be the same, bypassing the repeater. This is often termed "back-to-

back" or "simplex"communication.

Later, when the two worker move back into the repeater coverage area they simply switch their

radios back to repeater operation to communicate with their other colleagues.

3.4.8

Receive Only Channel Personality

Using the CPS you are able to programme channels to be Receive Only (ie. the radio user is unable

to transmit on those channels designated Receive Only).

This feature allows your customer to effectively manage his communication system. For example,

consider the following customer requirement:

You are asked to implement a simple, reliable communications system for a major road construction

project. After a detailed analysis of the communication requirements, you identify several critical

operations that need careful co-ordination.