| 摘要 |
The television tuner 15a has a reference frequency for each channel number of television radio wave, and can be tuned to a television radio wave of a channel number on the basis of a reference frequency of the channel number, when setting the channel number. The television tuner 15a comprises a booster 31 for boosting the television radio wave to be fed to an RF amplifier, inhibit means 29 for inhibiting the operation of the booster 31 by an external operation, and memory means 30 for memorizing an operation state of the inhibit means 29 corresponding to the channel number when setting the tuning frequency as the frequency of the channel number. When the channel number is selected, the inhibit means 29 is placed in the operation state memorized by the memory means 30 corresponding to the channel number.
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