| 摘要 |
In a digital broadcast reception apparatus, a presetting operation is carried out and, when the presetting operation is carried out, a normal reception of a broadcast signal on a channel, which can be received in an area in which the apparatus is installed, and the normal reception of which cannot be found in the event that a gain in a gain switching amplifier is of an initial value, is made possible by a switching and setting of a gain in each VGA 3, 5a and 5b being carried out by means of a control circuit 9 or an operating unit 11. |
