Glossary
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78
Glossary
This glossary is a list of specialized terms used in this manual.
Term Definition
ACK Acknowledgment of communication.
Active Channel A channel that has traffic on it.
Analog Signal
An RF signal that has a continuous nature
rather than a pulsed or discrete nature.
ARS Automatic Registration Service
ASTRO 25
Motorola standard for wireless digital
trunked communications.
ASTRO
Conventional
Motorola standard for wireless digital
conventional communications.
Autoscan
A feature that allows the radio to
automatically scan the members of a scan
list.
Bluetooth
Bluetooth is an open wireless technology
standard for exchanging data over short
distances from fixed and mobile devices
with high levels of security.
Bluetooth
Pairing
Bluetooth pairing occurs when two
bluetooth devices exchanged a passkey to
form a paired Bluetooth wireless
connection.
Call Alert
Privately page an individual by sending an
audible tone.
Carrier Squelch
Feature that responds to the presence of
an RF carrier by opening or unmuting
(turning on) a receiver’s audio circuit. A
squelch circuit silences the radio when no
signal is being received so that the user
does not have to listen to “noise”.
Central
Controller
A software-controlled, computer-driven
device that receives and generates data for
the trunked radios assigned to it. It
monitors and directs the operations of the
trunked repeaters.
Channel
A group of characteristics such as transmit/
receive frequency pairs, radio parameters,
and encryption encoding.
Term Definition
APX_3000_M1.book Page 78 Thursday, November 7, 2013 4:48 PM
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