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Term
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.
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).
Definition
Term
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.
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.
SSI
Synchronous Serial Interface
An operating condition whereby the radio's
Standby
speaker is muted but still continues to
receive data.
The user talks on the channel that was
Tactical/
selected before the radio entered the
Non-Revert
emergency state.
Definition
61
English
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