Datavideo PTC-285W Instruction Manual page 35

Step 4 – Ceiling Bracket (A) and Camera

Screw ceiling bracket (A) into the bottom of the camera using three
screws.

Position the screws as shown in the diagram below.

Align the screw holes on the bottom of the camera with those in the
ceiling bracket.

Insert the screws into the corresponding screw holes in the
numbered order.

The other end of the retaining wire is screwed into the screw hole #3.

Securely tighten all three screws.
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