Motorola XTS 3000 manual Glossary

5

Additional Information

Glossary

ACK	Acknowledgment of communication
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
Conventional	Typically refers to radio-to-radio communications,
	sometimes through a repeater; does not use a
	trunking (controller) system (See Trunking)
Dispatcher	An individual who has radio system management
	duties
FCC	Federal Communications Commission
Hang Up	Disconnect
Landline Caller	Someone communicating through the public
	telephone system
Page	A one-way alert, with audio and/or display messages
PTT	Push-To-Talk - the PTT switch engages the transmitter
	and puts the radio in transmit (send) operation when
	pressed
Radio-To-LandlineCommunicating from a portable/mobile radio
	through the telephone system
Repeater	A conventional radio feature, where you talk through
	a receive/transmit facility (repeater), that re-transmits
	received signals in order to improve communications
	range and coverage
RF	Radio Frequency
Squelch	The muting of audio circuits when received signal
	levels fall below a pre-determined threshold
Standby	An operating condition whereby the radio’s speaker is
	muted but still continues to receive data
Talkgroup	An organization of radio users who communicate
	with each other
Trunking	The automatic sharing of communications paths
	between a large number of users (See Conventional)
Zone	A grouping of channels

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