Instruction Manual

Megahertz (MHz)
One million cycles per second. Used especially as a radio-frequency unit.
Megahertz
One million cycles per second. Used especially as a radio-frequency unit.
Microcontroller Unit
MCU-Also written as µC. A microprocessor that contains RAM and ROM components, as well as
communications and programming components and peripherals.
PA
Power amplifier.
paging
One-way communication that alerts the receiver to retrieve a message.
Push-to-Talk
PTT-The switch or button usually located on the left side of the radio which, when pressed, causes the
radio to transmit. When the PTT is released, the unit returns to receive operation.
Radio Frequency
RF-The portion of the electromagnetic spectrum between audio sound and infrared light (approximately
10 kHz to 10 GHz).
RAM
Random Access Memory
Random Access Memory
RAM-A type of computer memory that can be accessed randomly; that is, any byte of memory can be
accessed without touching the preceding bytes.
receiver
Electronic device that amplifies RF signals. A receiver separates the audio signal from the RF carrier,
amplifies it, and converts it back to the original sound waves.
Registers Short-term data-storage circuits within the microcontroller unit or programmable logic IC.
RESET
Reset line: an input to the microcontroller that restarts execution.
RX
Receive
signal
An electrically transmitted electromagnetic wave.
software
MN005720A01-AB
Glossary
138