Ericsson EDACS M-RK I, Operator'S Manual, Page: 70 / 76

group is detected by the radio, the unit will
automatically switch priority group call in proc-
ess. The priority group call can be defined as
either a predetermined group or the currently
selected group.
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 inter-
changeably 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 com-
munications link. It is intended to maintain
communications outside of the main system
coverage area.
telephone
interconnect - this feature allows the user to initiate or receive
telephone calls through the radio if the system
is con figured for this operation. (Trunked Mode
Only).
trunked group - a radio communications path shared by two or
more users.
trunked operation - a set of radio frequency channels used by
multiple users. By using high speed digital data
the radio goes to an unused channel when a
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