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Hang up
Disconnect.
IV&D
Integrated Voice and Data.
Key Variable Loader (KVL)
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.
Li-Ion
Lithium ion.
Man Down
A life-saving feature that senses the radio user may be in trouble by monitoring the whether the
radio is in a vertical or horizontal position or whether the radio is motionless. When this feature
is triggered, the radio alerts the user with audio and visual alerts. It can also trigger Emergency
Alarm the Post-Alert Timer is not cancelled.
MCW
Mission Critical Wireless.
MDC
Motorola Solutions Digital Communications.
Monitor
Check channel activity by pressing the Monitor button. If the channel is clear, you hear static. If
the channel is in use, you hear conversation. It also serves as a way to check the volume level of
the radio, since the radio "opens the squelch" when the monitor button is pressed.
Multi-System Talkgroup Scan List
A scan list that can include both talkgroups (trunked) and channels (conventional).
Network Access Code
Network Access Code (NAC) operates on digital channels to reduce voice channel interference
between adjacent systems and sites.
NiMH
Nickel-metal-hydride.
A portable, handheld, rugged device used to transfer encryption
68012001081-JW
Glossary
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