D-Link DCS-6815 User Manual page 9

Section 2 - Installation
STEP 5
Gently press down the dome cover with two hands on the
side of it.

Warning: DO NOT press down on the cover, as shown in
the figure; this might cause damage to the camera.
STEP 6
Screw the dome cover and body together.
D-Link DCS-6815 User Manual 9