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English
Glossary
This glossary contains an alphabetical listing of terms and
their definitions that are applicable to portable and mobile
subscriber radio products.
ACK
Acknowledgment of communication.
Active Channel
A channel that has traffic on it.
ASTRO conventional
Motorola Solutions standard for wireless analog or digital
conventional communications.
Call Alert
Privately paging 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 audio circuit. A
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squelch circuit silences the radio when no signal is being
received so that the user does not have to listen to "noise."
Channel
A group of characteristics, such as transmit/receive
frequency pairs, radio parameters, and encryption
encoding.
Conventional
Typically refers to radio-to-radio communications,
sometimes through a repeater. Frequencies are shared
with other users without the aid of a central controller to
assign communications channels.
Conventional Scan List
A scan list that includes only conventional channels.
Cursor
A visual tracking marker (a blinking line) that indicates a
location on a display.
Deadlock
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