Motorola APX 2000 User Manual page 195

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
Cursor A visual tracking marker (a
blinking line) that indicates a on
the display.
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 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.
DSP Digital Signal Processing
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.
DSR Dynamic System Resilience
EID Encrypted Integrated Data
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