Motorola APX 4000 User's Guide download pdf (Page 161)

Glossary

English

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3

Conventional

Typically refers to radio-to-radio

communications, sometimes through a

repeater (see Trunking).

Conventional

Scan List

A scan list that includes only conventional

channels.

CP Codeplug

Cursor

A visual tracking marker (a blinking line)

that indicates a location on the display.

Deadlock

Displayed by the radio after three failed

attempts to unlock the radio.The radio must

be powered off and on prior to another

attempt.

Digital Private

Line (DPL)

A type of coded squelch using data bursts.

Similar to PL except a digital code is used

instead of a tone.

Digital Signal

An RF signal that has a pulsed, or discrete,

nature, rather than a continuous nature.

Dispatcher

An individual who has radio system

management duties.

DSP Digital Signal Processing

Term Definition

Dynamic

Regrouping

A feature that allows the dispatcher to

temporarily reassign selected radios to a

single special channel so they can

communicate with each other.

DSR Dynamic System Resilience

EID Encrypted Integrated Data

ESN Electrical Serial Number

Failsoft

A feature that allows communications to

take place even though the central

controller has failed. Each trunked repeater

in the system transmits a data word

informing every radio that the system has

gone into failsoft.

FCC Federal Communications Commission.

FM Frequency Modulation

Hang Up Disconnect.

Home screen

The first display information after the radio

completes its self test.

IV & D Integrated Voice and Data

Term Definition

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