Motorola APX 7000 Basic Service Manual page 284

Section 3: Glossary-6
Term
mode
mode slaving
monitoring
MOSI
multiplexer
MUX
Network Access
Code
NiCd
NiMH
non-tactical/revert
OMPAC
open architecture
oscillator
OSW
OTAR
outbound signaling
word
over-molded pad-
array carrier
over-the-air rekeying
PA
page
paging
PC Board
A programmed combination of operating parameters; for example, a
channel or talkgroup.
A radio programmed to automatically provide the proper operation for a
given selected mode.
Used in conventional operation where the programmed monitor button
is pressed to listen to another user who is active on a channel. This
prevents one user from interfering with another user's conversation.
See Master Out Slave In.
An electronic device that combines several signals for transmission on
some shared medium (e.g., a telephone wire).
See multiplexer.
Network Access Code (NAC) operates on digital channels to reduce
voice channel interference between adjacent systems and sites.
Nickel-cadmium.
Nickel-metal-hydride.
The user will talk on a preprogrammed emergency channel. The
emergency alarm is sent out on this same channel.
See over-molded pad-array carrier.
A controller configuration that utilizes a microprocessor with extended
ROM, RAM, and EEPROM.
An electronic device that produces alternating electric current and
commonly employs tuned circuits and amplifying components.
See outbound signaling word.
See over-the-air rekeying.
Data transmitted on the control channel from the central controller to the
subscriber unit.
A Motorola custom IC package, distinguished by the presence of solder
balls on the bottom pads.
Allows the dispatcher to remotely reprogram the encryption keys in the
radio.
Power amplifier.
A one-way alert with audio and/or display messages.
One-way communication that alerts the receiver to retrieve a message.
Printed Circuit Board. Also referred to as a PCB.
Definition
Glossary