| 摘要 |
A comparison circuit 13 x compares signals from demodulator circuits 11 a and 11 b and thereby compares the reception condition of the antennas 1 a and 1 b. The tuner circuit corresponding to the antenna that is yielding better reception condition selects the channel to be displayed on a main screen, and the tuner circuit corresponding to the other antenna selects the channel to be displayed on a sub screen.
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