Nikon XTS 5000 Bedienungsanleitung Seite 67

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ASTRO XTS 5000 Model I 57
Glossary
This glossary is a list of specialized terms used in this manual.
ACK Acknowledgment of communication.
Active Channel A channel that has traffic on it.
Analog Signal An RF signal that has a continuous nature
rather than a pulsed or discrete nature.
ASTRO 25 Trunking Motorola standard for wireless digital
trunked communications.
ASTRO
Conventional
Motorola standard for wireless analog or
digital conventional communications.
Autoscan A feature that allows the radio to
automatically scan the members of a scan
list.
Call Alert Privately page an individual by sending an
audible tone.
Carrier Squelch Feature that responds to the presence of an
RF carrier by opening or unmuting (turning
on) a receivers audio circuit. A squelch
circuit silences the radio when no signal is
being received so that the user does not
have to listen to “noise.”
Central Controller A software-controlled, computer-driven
device that receives and generates data for
the trunked radios assigned to it. It monitors
and directs the operations of the trunked
repeaters.
Channel A group of characteristics such as transmit/
receive frequency pairs, radio parameters,
and encryption encoding.
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.
94C25-G_XTS5000Mdl1.book Page 57 Tuesday, May 6, 2008 6:09 PM
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