Emily helps Mark, a police officer, with technical support. They discuss key points quickly because resources are limited. Mark needs clear and simple advice to solve his problem fast.
Vocabulary:
Static: A crackling or hissing noise on radio.
Antenna: A device that sends or receives radio signals.
Channel: A frequency used for communication.
Battery: A power source for electronic devices.
Restart: To turn off and then on again.
Practice more with this lesson:
