| 摘要 |
PURPOSE:To simplify the constitution by controlling muting, DX/LOCAL switching, etc., by one kind of control signal from an automatic controller. CONSTITUTION:By control signal X1 from computer 14, DX/LOCAL switch 8, muting device 9 and alarm on/off device 10 are controlled. Namely, when control signal X1 shows [1], tuner 1 is placed in the LOCAL reception state by DX/LOCAL switch 8, a radio signal is muted by muting device 9, and audio amplifier 6 is put into operation. When control signal X1 shows [0], DX/LOCAL switch 8 places the tuner in the DX reception state and muting device 9 and alarm on/off device 10 are turned off respectively. |
