Motorola APX 7000 User Manual page 103

operations of the trunked
repeaters.
Channel A group of characteristics such
as transmit/ receive frequency
pairs, radio parameters, and
encryption encoding.
Control Channel In a trunking system, one of the
channels that is used to provide
a continuous, twoway/ 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 A scan list that includes only
Scan List conventional channels.
COTS Commercial Off-The-Shelf
Digital Private A type of coded squelch using
Line (DPL) 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.
Dynamic A feature that allows the
Regrouping 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.
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