Glossary - Motorola APX 7000 User Manual

Glossary

This glossary is a list of specialized terms used in this manual.
Term
ACK Acknowledgment of communication.
Active Channel A channel that has traffic on it.
An RF signal that has a continuous nature
Analog Signal
rather than a pulsed or discrete nature.
ARS Automatic Registration Service
ASTRO 25 Motorola standard for wireless digital
Trunking trunked communications.
ASTRO Motorola standard for wireless digital
Conventional conventional communications.
A feature that allows the radio to
Autoscan automatically scan the members of a scan
list.
Privately page an individual by sending an
Call Alert
audible tone.
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English
Definition
Term
Feature that responds to the presence of
an RF carrier by opening or unmuting
(turning on) a receiver's audio circuit. A
Carrier Squelch
squelch circuit silences the radio when no
signal is being received so that the user
does not have to listen to "noise."
A software-controlled, computer-driven
device that receives and generates data for
Central
the trunked radios assigned to it. It
Controller
monitors and directs the operations of the
trunked repeaters.
A group of characteristics such as transmit/
Channel receive frequency pairs, radio parameters,
and encryption encoding.
CHIB Control Head Interface Board
In a trunking system, one of the channels
that is used to provide a continuous, two-
Control Channel way/data communications path between
the central controller and all radios on the
system.
Typically refers to radio-to-radio
Conventional communications, sometimes through a
repeater (see Trunking).
Conventional A scan list that includes only conventional
Scan List channels.
Definition