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Term
RESET
RF
RF PA
RIB
ROM
RPCIC
RPT/TA
RSS
RTC
RX
RX DATA
SAP
Serial Audio CODEC
Port
Serial
Communication
Interface Input Line
SCI IN
Serial Peripheral
Interface
signal
Signal Qualifier
mode
softpot
software
software
potentiometer
spectrum
SPI
squelch
6815854H01-A
Reset line: an input to the microcontroller that restarts execution.
See radio frequency.
See radio frequency power amplifier.
See Radio Interface Box.
See read-only memory.
Regulator/power control IC.
See repeater/talkaround.
See Radio Service Software.
See real-time clock.
Receive.
Recovered digital data line.
See Serial Audio CODEC Port.
SSI to and from the GCAP II IC CODEC used to transfer transmit and
receive audio data.
A full-duplex (receiver/transmitter) asynchronous serial interface.
See Serial Communication Interface Input Line.
How the microcontroller communicates to modules and ICs through the
CLOCK and DATA lines.
An electrically transmitted electromagnetic wave.
An operating mode in which the radio is muted, but still continues to
analyze receive data to determine RX signal type.
See software potentiometer.
Computer programs, procedures, rules, documentation, and data
pertaining to the operation of a system.
A computer-adjustable electronic attenuator.
Frequency range within which radiation has specific characteristics.
See Serial Peripheral Interface.
Muting of audio circuits when received signal levels fall below a pre-
determined value. With carrier squelch, all channel activity that exceeds
the radio's preset squelch level can be heard.
Definition
Glossary-7
June 15, 2005
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