User`s guide

ASTRO XTL 5000 Digital Mobile Radio with W3 Control Head 111
Glossary
ACK Acknowledgment of communication.
Channel A group of characteristics, such as transmit/
receive frequency pairs, radio parameters, and
encryption encoding.
Coded Squelch Used on conventional channels to make sure
you hear only the communication meant for
you.
Control Channel In a trunking system, one of the channels that
is used to provide a continuous, two-way/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. You share a frequency, or
frequencies, with other users without the aid of
a central controller to assign communication
channels. Therefore, you should monitor each
channel before transmitting to avoid interfering
with another user who may be transmitting.
Cursor A visual tracking marker (a blinking line) that
indicates a location on the display.
Digital Private-
Line (DPL)
A continuous, sub-audible data signal,
transmitted with the carrier.
Dispatcher An individual who has radio system
management duties.
Failsoft A back-up system allowing you to
communicate in a non-trunked, conventional
mode should the trunked system fail.
FCC Federal Communications Commission.
Hang Up Disconnect.