How to unlock Midea's central air-conditioning lock?

No matter how beautiful the central air conditioner is, it is actually possible if it is locked first and then unlocked. It makes no difference. Because you need to know one thing, that is, the beautiful central air conditioner, in fact, after the lock is successful, you have to unlock it. It has a remote control and a remote control panel. This can be controlled. Because you can really use this remote control, the remote control board can control it, as well as on-off and locking, and some functional facilities. Set a lock, then automatically unlock it, and then click that lock, which is equivalent to unlocking Midea's central air conditioner.