User's Manual

78
GLOSSARY
Agency
- An agency is composed of multiple fleets. Units can be
p
rogrammed to initiate agency calls to access multiple
fleets. (Trunked Mode Only)
Base/Unit
Operation
- A programmed option used in some fleets so units can
only hear and talk to a base dispatch unit, not to othe
r
mobiles or personals in the group. In this mode o
f
operation, when a unit in a particular group is talking to
the base dispatch unit, all other mobile and personal
radios in that group will receive a "System Busy" tone i
f
they try to access the system. (Trunked Mode Only)
Control
Channel
- A radio channel in a trunked system that is used to
digitally communicate with the radios operating on the
system when they are not engaged in active voice
communications.
Conventional
Channel
- A radio channel (transmit/receive frequency pair) that is
allocated for conventional (non-trunked) use and can be
manually selected by the operator.
Conventional
Mode
- Communicating on radio channels allocated fo
r
conventional use (i.e. conventional system).
CCT
- Carrier Controlled Timer - a programmable timer that
will disable a transmission if the length is exceeded.
CG
- Channel Guard - a method of controlling speaker mute
with a tone or digital code.
Fleet
- A fleet of users consists of multiple groups (sub-fleets).
Radios can be programmed to make fleet calls to
simultaneously access multiple user groups. (Trunked
Mode Only)
Group or
Sub-fleet
- A group of users share the same program group
identification number in their mobile and portable radios.
All units in the same group will receive a dispatch call
p
laced by any one unit in the group. (Trunked Mode
only).