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Term
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.
Displayed by the radio on a DRSM after
three failed attempts to unlock the radio.
Deadlock
The radio must be powered off and on prior
to another attempt.
A type of coded squelch using data bursts.
Digital Private
Similar to PL except a digital code is used
Line (DPL)
instead of a tone.
An RF signal that has a pulsed, or discrete,
Digital Signal
nature, rather than a continuous nature.
An individual who has radio system
Dispatcher
management duties.
DRSM
Display Remote Speaker Microphone
70
English
Definition
Term
A feature that allows the dispatcher to
Dynamic
temporarily reassign selected radios to a
Regrouping
single special channel so they can
communicate with each other.
A feature that allows communications to
take place even though the central
controller has failed. Each trunked repeater
Failsoft
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.
The first display information on a DRSM
Home screen
after the radio completes its self test.
Key-variable loader: A device for loading
KVL
encryption keys into the radio.
LCD
Liquid crystal display.
LED
Light-emitting diode.
Li-Ion
Lithium ion.
Definition
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