In a digital broadcast receiver 10, an MPU 26 has a configuration
for detecting the number of subchannels and the numbers of the subchannels which
a received main channel has from control data received and switching to a subchannel
with the minimum number when the number of subchannels changes and switching to
a subchannel with the minimum number of the residual subchannels when the numbers
of the subchannels received run out and displaying the numbers of the received
main channel and the subchannel on a display 25.
