Motorola XTS2500 - Manual (Page 68)

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Glossary
Squelch Special electronic circuitry added to the
receiver of a radio which reduces, or
squelches, unwanted signals before they are
heard in the speaker.
Standby An operating condition whereby the radio’s
speaker is muted but still continues to receive
data.
Tactical/Non-revert The user will talk on the channel that was
selected before the radio entered the
emergency state.
Talkaround Bypass a repeater and talk directly to another
unit for easy local unit-to-unit
communications.
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.