If the beeper beeps the reception is jammed or the voltage of the battery is too low.

如果蜂鸣器发声，表示接受受到了干扰或者电池电压过低。

youdao

If the beeper beeps the reception is jammed or the voltage of the battery is too low.

如果蜂鸣器发声，表示接受受到了干扰或者电池电压过低。

youdao