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Term
Check channel activity through menu
entries. If the channel is clear, you hear
static. If the channel is in use, you hear
Monitor
conversation. It also serves as a way to
check the volume level of the radio, since
the radio "opens the squelch" when the
monitor button is pressed.
Multi-System
A scan list that can include both talkgroups
Talkgroup Scan
(trunked) and channels (conventional).
List
Network Access Code (NAC) operates on
Network Access
digital channels to reduce voice channel
Code
interference between adjacent systems
and sites.
The user talks on a preprogrammed
Non-Tactical/
emergency channel. The emergency alarm
Revert
is sent out on this same channel.
OTAR
Over-the-air rekeying.
A one-way alert, with audio and/or display
Page
messages.
Personality
A set of unique features specific to a radio.
PIN
Personal Identification Number
Refers to a software feature that has been
Preprogrammed
activated by a qualified radio technician.
Definition
Term
Private
A feature that lets you have a private
(Conversation)
conversation with another radio user in the
Call
talkgroup.
A sub-audible tone that is transmitted such
Private Line
that only receivers decoding the tone
(PL)
receives it.
Refers to a radio control that can have a
Programmable
radio feature assigned to it.
Push-To-Talk – the PTT button engages
PTT
the transmitter and puts the radio in
transmit (send) operation when pressed.
The part of the general frequency spectrum
Radio
between the audio and infrared light
Frequency (RF)
regions (about 10 kHz to 10,000,000 MHz).
A conventional radio feature, where you
talk through a receive/transmit facility that
Repeater
re-transmits received signals, in order to
improve communications range and
coverage.
A feature that allows you to call a select
individual, intended to provide privacy and
Selective Call
to eliminate the annoyance of having to
listen to conversations of no interest to you.
Definition
121
English
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