Motorola XTSTM 1500 User Manual
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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.
08_94C04_Glossary.fm Page 48 Thursday, September 18, 2003 9:09 AM