(1. Installation of the camera: 1. On the premise of meeting the requirements of the field of view of the supervision target, its installation height: the installation height of the indoor camera is 2.5-5m, and the outdoor is 3.5-10m; Its top is at a diagonal angle to the elevator manipulator, and the optical axis of the camera is 45 degrees from the two walls and ceiling of the elevator. For details, please download the full text)
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