Motorola Astro APX Mobile 05 control head User Manual page 132

Term
Any digital P25 traffic having the correct
Selective Switch Network Access Code and the correct
talkgroup.
Special electronic circuitry, added to the
receiver of a radio, that reduces, or cuts off,
Squelch
unwanted signals before they are heard in
the speaker.
An operating condition whereby the radio's
Standby speaker is muted but still continues to
receive data.
Pre-defined text messages that allow the
Status Calls user to send a conditional message without
talking.
The user talks on the channel that was
Tactical/
selected before the radio entered the
Non-Revert
emergency state.
Bypass a repeater and talk directly to
Talkaround another unit for easy local unit-to-unit
communications.
An organization or group of radio users
Talkgroup who communicate with each other using
the same communication path.
TMS Text Messaging Service
116
English
Definition Term
The automatic sharing of communications
Trunking paths between a large number of users
(see Conventional).
Trunking
A scan list that includes talkgroups that are
Priority Monitor
all from the same trunking system.
Scan List
USK Unique Shadow Key
Coordinated Universal Time. The
international time standard (formerly
Greenwich Mean Time, or GMT). Zero
hours UTC is midnight in Greenwich,
England, which is located at 0 degrees
longitude. Everything east of Greenwich
UTC (up to 180 degrees) is later in time;
everything west is earlier. There are 42
time authorities around the world that are
constantly synchronizing with each other.
Abbreviated as UTC (English backronym =
Universal Time, Coordinated), it is also
known as Zulu (Z) Time.
Zone A grouping of channels.
Definition