75
ends, and the pre-programmed time has expired, the
radio returns to monitoring multiple 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 performs the data basing and system
monitoring for the site controller.
System
Scan
-
A programmed feature to scan (monitor activity on)
separate trunked systems and receive calls on any of
these systems. (Trunked Mode Only)
Talk-around
Mode
-
Also referred to as "direct mode", talk-around provides
a direct unit-to-unit short range communications link.
It is intended to maintain communications outside of
the main system coverage area.
Telephone
Inter-
Connect
-
This feature allows the user to initiate or receive
telephone calls through the radio if the system is
configured for this operation. (Trunked Mode Only)
Trunked
Group
-
A radio communications path shared by two or more
users.
Trunked
Operation
-
Trunked Operation refers to the use of a set of radio
frequency channels by multiple user groups. By using
high speed digital data the radio goes to an unused
channel when a call is initiated and will also only
respond to calls in the same user group. In this way
conversation privacy between user groups is assured.
Trunked
Radio
System
-
A radio system in which a limited number of radio
channels is dynamically allocated to groups of people
for communication purposes.
Trunked
System
-
A set of one or more trunked groups.
