Switch frequency can finish through the easy operation, the setting still can be kept after power shot down.

开关频率可以通过简单的操作来完成，在关闭电源后仍然保持设置。

youdao

Switch frequency can finish through the easy operation, the setting still can be kept after power shot down.

开关频率可以通过简单的操作来完成，在关闭电源后仍然保持设置。

youdao