Motorola APX 4000 User's Guide download pdf (Page 163)

Glossary

English

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5

Personality A set of unique features specific to a radio.

PIN Personal Identification Number

PremierOne

A software application which streamlines

critical real time operations and simplifies

system administration to deliver accurate,

consistent and integrated information

remotely to the requestors.

Preprogrammed

Refers to a software feature that has been

activated by a qualified radio technician.

Private

(Conversation)

Call

A feature that lets you have a private

conversation with another radio user in the

talkgroup.

Private Line

(PL)

A sub-audible tone that is transmitted such

that only receivers decoding the tone

receives it.

Programmable

Refers to a radio control that can have a

radio feature assigned to it.

PTT

Push-To-Talk – the PTT button engages

the transmitter and puts the radio in

transmit (send) operation when pressed.

Radio

Frequency (RF)

The part of the general frequency spectrum

between the audio and infrared light

regions (about 10 kHz to 10,000,000 MHz).

Term Definition

Repeater

A conventional radio feature, where you

talk through a receive/transmit facility that

re-transmits received signals, in order to

improve communications range and

coverage.

Selective Call

A feature that allows you to call a select

individual, intended to provide privacy and

to eliminate the annoyance of having to

listen to conversations of no interest to you.

Selective Switch

Any digital P25 traffic having the correct

Network Access Code and the correct

talkgroup.

Squelch

Special electronic circuitry, added to the

receiver of a radio, that reduces, or cuts off,

unwanted signals before they are heard in

the speaker.

SSI Synchronous Serial Interface

Standby

An operating condition whereby the radio’s

speaker is muted but still continues to

receive data.

Status Calls

Pre-defined text messages that allow the

user to send a conditional message without

talking.

Term Definition

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