RF-5800H 125-WATT COMMUNICATION SYSTEM
GLOSSARY
G-3
GLOSSARY – Continued
INFOSEC Information Security Processor
IRQ Interrupt Request
-J-
-K-
KDU Keypad Display Unit
kHz Abbreviation for kilohertz, or thousands of cycles per
second.
-L-
LCD Liquid Crustal Display
LAT Latitude
LD Load
LNG Longitude
LPC (Linear Predictive Coding) A technique used to generate digital voice.
LRU Line Replaceable Unit (Units in this manual.)
LT Light
-M-
Menu A list of options presented to a user along with some
means of selecting one of those options by pressing one
or more keys on the keyboard or keypad.
MHz Abbreviation for megahertz, or millions of cycles per
second.
Mode The radio’s mode of operation, such as NORMAL,
TEST, or SCAN.
Modem Acronym for MOdulator/DEModulator. This is a type of
data communications equipment which converts digital
signals into an analog format (modulation) suitable for
transmission through various media and reconverts
received signals into a digital format (demodulation).
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