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group or
subfleet
- a group of users share the same program
group identification number in their mobile and
personal radios. All units in the same group will
receive a dispatch call placed by any one unit in
the group. (Trunked Mode only).
group scan - programming that allows the radio to monitor
up to 64 separate groups simultaneously (multi-
group decode), permitting the user to both
monitor and receive calls from these groups.
When a radio receives a call from one of these
groups, it will "lock out", and not send or
receive calls from other groups for a
programmed period of 5, 10 or 15 seconds,
permitting the user to respond to the group call.
(The radio may also be programmed for no lock
out period.) At the end of the "lock out" period,
the radio sounds two short low pitched "beeps"
and is again ready to receive a call from any of
the programmed groups. (Trunked Mode Only)
Individual Call - Every radio in the system is programmed with a
unique individual identification code. A mobile
or personal unit can be programmed to call
another particular unit by selecting the
individual by name or ID number. (Trunked
Mode Only)
queueing - the process that occurs when all channels in a
trunked system are busy and calls must be
addressed on a priority basis.
site controller - the computer controlled radio equipment at the
repeater site that controls a trunking system.
system (area) - the terms "system" and "area" are used
interchangeably to refer to the particular group
of station repeaters currently providing service
to the radio.
System
Manager
- a computer that preforms the data basing and
system monitoring for the site controller.