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.
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.
DVRS
Digital Vehicular Repeater System.
ESN
Electrical Serial Number.
Failsoft
A backup system that allows communication in a non-
trunked, conventional mode if the trunked system fails.
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.
Light Emitting Diode (LED)
An electronic device that lights up when electricity is
passed through it.
MCHB
English
191
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