COTS
Commercial Off-The-Shelf.
Cursor
A visual tracking marker (a blinking line) that indicates a location on a 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 digital communications that utilizes privacy call, as well as memory channel and busy channel
lock out to enhance communication efficiency.
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 and responsibilities.
Digital Signal Processor
A microcontroller specifically designed for performing the mathematics involved in manipulating analog
information, such as sound, that has been converted into a digital form. DSP also implies the use of a
data compression technique.
EID
Encrypted Integrated Data.
ESN
Electrical Serial Number.
FCC
Federal Communications Commission.
Hang up
Disconnect.
IV&D
Integrated Voice and Data.
Key Variable Loader (KVL) A portable, handheld, rugged device used to transfer encryption
keys to a target device. Encryption keys can be entered manually by the KVL user, auto-generated by
the KVL, obtained from or shared with another KVL, or downloaded from a Key Management Facility
(KMF).
Liquid-Crystal Display (LCD)
An LCD uses two sheets of polarizing material with a liquid-crystal solution between them. An electric
current passed through the liquid causes the crystals to align so that light cannot pass through them.
MN003602A01-AF
Glossary
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