Motorola ASTRO W5 Guide de l'utilisateur télécharger pdf (Page 131)

ASTRO XTL 5000 Digital Mobile Radio with W4, W5, W7, and W9 109

Glossary

ACK Acknowledgment of communication.

Channel A group of characteristics, such as transmit/

receive frequency pairs, radio parameters, and

encryption encoding.

Coded Squelch Tone Private-Line™ or Digital Private-Line.

Used on conventional channels to make sure

you hear only the communication meant for

you.

Control Channel In a trunking system, one of the channels that

is used to provide a continuous, two-way/data

communications path between the central

controller and all radios on the system.

Conventional Typically refers to radio-to-radio

communications, sometimes through a

repeater. You share a frequency, or

frequencies, with other users without the aid of

a central controller to assign communication

channels. Therefore, you should monitor each

channel before transmitting to avoid interfering

with another user who may be transmitting.

Cursor A visual tracking marker (a blinking line) that

indicates a location on the display.

Digital Private-

Line (DPL) Coded

Squelch

A continuous, sub-audible data signal,

transmitted with the carrier.

Dispatcher An individual who has radio system

management duties.

Failsoft A back-up system allowing you to

communicate in a non-trunked, conventional

mode should the trunked system fail.

FCC Federal Communications Commission.

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Motorola ASTRO W5 Guide de l'utilisateur Page 131