This function is used to move the camera to one position quickly and accurately, but only the pan and tilt camera supports this function.
1. First, please refer to this link below to connect your camera to phone.
2. Move the camera to the place you want to mark.
3. Refer to picture below to give a name on this position like preset 1.
4. When the camera is in another position and you want it to go to the preset 1 directly, you can refer to this pictures to tap "present call" and number 1 so that camera will move to preset 1 automatically. It is the same way if you want to create more presets.