求翻译：接通电源，硬件能正常工作，并且能通过外部设置的频率调节按钮改变发射频率，输入模拟音频信号，外部调频收音机能根据数码管显示的频率接收到音频信号。是什么意思？

Power and hardware to work properly, and through the external frequency setting adjustment button to change the transmitting frequency of the input analog audio signal, an external FM radio to the audio signal is received based on the digital display of frequency.

正在翻译，请等待...

Puts through the power source, the hardware can the normal work, and can change the transmitting frequency through exterior establishment frequency control button, the input simulation tonic train signaling, exterior frequency modulation reception function the frequency which demonstrated according

Power, hardware is working correctly, and adjusts the frequency set by external buttons change the frequency, enter the analog audio signal, external FM radio frequency receiving the audio signal based on the digital display.

正在翻译，请等待...