If he walks around and you can hear through your headphones where he is going, close the corresponding door.

If he walks around and makes a sound cue, close the door immediately because he's running to your office.

If you hear the ventilation sound, go to the camera and close it.

If it appears in your office, raise the camera and lower it.

Also, If you're in the cameras, the game will tell you to put the camera down when he appears in the office now.

Do not use With more than 2 things increasing usage, energy runs out quickly.