Motorola XTL 1500 User Manual page 103

Squelch
Standby
Talkgroup
Tone Private-Line
(PL) Coded
Squelch
Trunking
Zone
ASTRO XTL 1500 Digital Mobile Radio with Control Head
The muting of audio circuits when received
signal levels fall below a pre-determined
threshold. With carrier squelch, you hear all
channel activity which exceeds the radio's
preset squelch level.
An operating condition whereby the radio's
speaker is muted but still continues to receive
data.
An organization (or group) of radio users who
communicate with each other, using the same
communication path.
A continuous sub-audible tone transmitted with
the carrier.
The automatic sharing of communications
paths between a large number of users. Allows
radio users to share a smaller number of
frequencies because a repeater, or
communications path, is assigned to a
talkgroup for the length of a conversation.
A grouping of channels or talkgroups.
Glossary
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