Definitions and acronyms – GAI-Tronics ITA2000A ITA2000A Series Tone Remote Adapter with Scanning User and Installation Manual User Manual
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Definitions and Acronyms
Term
Definition
Channel
A single path, separated by frequency or time divisions, for transmitting electrical signals.
A receive (one-way) or receive and transmit (two-way) frequency path.
CSQ
Carrier squelch
FT
Function tone
HLGT
High level guard tone
Home
Mode
All channel steers not asserted and scan stopped.
LLGT
Low level guard tone
Monitor
Mode
PL/DPL disable
DPL
A system analogous to PL but using low speed digital signaling instead of subaudible
tones.
PL
A means of grouping users of a common radio channel. Subaudible tones are transmitted
with audio; a particular radio's speaker (or the speakers of a group of radios) will unmute
to broadcast a transmission only if the associated subaudible tone identifies it as
belonging to the radio’s user group.
PTT
Push-to-talk
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