A.3 Interpretation of Class A
For the purposes of Class A—
“camera”, except in paragraph A.1(b), includes its housing, pan and tilt mechanism, infra red illuminator, receiver, mountings and brackets; and
“ground level” means the level of the surface of the ground immediately adjacent to the building or, where the level of the surface of the ground is not uniform, the level of the highest part of the surface of the ground adjacent to it.