A ground wave video signal is extracted by a ground wave video decoder
from a ground wave broadcast signal received by a ground wave tuner. A BS
program link information signal is extracted by a BS program link
information decoder from a BS broadcast signal received by a BS2 tuner.
An AM radio sound signal is extracted by a radio sound decoder from an AM
radio broadcast signal received by an AM radio tuner. The extracted
ground wave video signal and BS program link information signal are
displayed as videos by a display device, while the extracted AM radio
sound signal is output as a sound from a speaker.