Motorola ASTRO XTS 2500 III User Manual page 110

Glossary
Squelch
Standby
Status Calls
Tactical/Non-revert
Talkaround
Talkgroup
Trunking
Zone
100
Special electronic circuitry added to the
receiver of a radio which reduces, or
squelches, unwanted signals before
they are heard in the speaker.
An operating condition whereby the radio's
speaker is muted but still continues to
receive data.
Pre-defined text messages which allow the
user to send conditional messages without
talking.
The user will talk on the channel that was
selected before the radio entered the
emergency state.
Bypass a repeater and talk directly to
another unit for easy local unit-to-unit
communications.
An organization of radio users who
communicate with each other.
The automatic sharing of communications
paths between a large number of users.
(See Conventional.)
A grouping of channels.