American Dynamics VideoEdge IP Indoor Mini-dome 8200-2646-02 B0 - Manual (Page 15)

Installation and Operation Guide
15
2.6 Cover Attaching
To attach the dome to the base, please do as steps (1) and (2).
(1) Note that the protrusion (the convex-shaped fitter)
1
that reaches right up to the edge of
the ring on the dome cover must align with the concave
2
on the dome body.
The dome cover The dome body
(2) Screw the dome cover and the body together.