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Glossary
English
72
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 (see Trunking).
Conventional
Scan List
A scan list that includes only conventional
channels.
Deadlock
Displayed by the radio after three failed
attempts to unlock the radio.The radio must
be powered off and on prior to another
attempt.
Digital Private
Line (DPL)
A type of coded squelch using data bursts.
Similar to PL except a digital code is used
instead of a tone.
Digital Signal An RF signal that has a pulsed, or discrete,
nature, rather than a continuous nature.
Dispatcher An individual who has radio system
management duties.
Term Definition
Dynamic
Regrouping
A feature that allows the dispatcher to
temporarily reassign selected radios to a
single special channel so they can
communicate with each other.
Failsoft
A feature that allows communications to
take place even though the central
controller has failed. Each trunked repeater
in the system transmits a data word
informing every radio that the system has
gone into failsoft.
FCC Federal Communications Commission.
FM Frequency Modulation
Hang Up Disconnect.
Home screen The first display information after the radio
completes its self test.
KVL Key-variable loader: A device for loading
encryption keys into the radio.
LCD Liquid crystal display.
LED Light-emitting diode.
Li-Ion Lithium ion.
Term Definition
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