Instruction Manual

Glossary

This glossary contains an alphabetical listing of terms and their definitions that are applicable to

portable and mobile subscriber radio products.

Analog

Refers to a continuously variable signal or a circuit or device designed to handle such signals.

band

Frequencies allowed for a specific purpose.

Customer Programming Software

CPS-Software with a graphical user interface containing the feature set of an ASTRO radio.

default

A pre-defined set of parameters.

DEK

Direct Entry Keyboard

digital

Refers to data that is stored or transmitted as a sequence of discrete symbols from a finite set; most

commonly this means binary data represented using electronic or electromagnetic signals.

EEPROM

Electrically Erasable Programmable Read-Only Memory

EEPROM- A special type of PROM that can be erased by exposing it to an electrical charge. An

EEPROM retains its contents even when the power is turned off.

FCC

Federal Communications Commission.

Firmware

Code executed by an embedded processor such as the Host or DSP in a subscriber radio. This type of

code is typically resident in non-volatile memory and as such is more difficult to change than code

executed from RAM.

frequency

Number of times a complete electromagnetic-wave cycle occurs in a fixed unit of time (usually one

second).

Kilohertz (kHz)

One thousand cycles per second. Used especially as a radio-frequency unit.

MN005720A01-AB

Glossary

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