User manual

2. Camera Installation
NDF821/NDF821E l User Manual 9
2. Camera Installation
2.1 Disassembling the Dome Camera
1. Loosen the screw that securing the dome cover.
2. Rotate the dome cover counterclockwise to unlock and pull it free of the housing.
3. Then remove the inner liner by gently pulling it free of the two notches in the housing.
3. Inner Liner
2. Dome Cover
1. Dome Cover Screw
2.2 Drilling the Mounting Surface
1. Post the “Guide Pattern” sticker on the mounting surface.
2. Aiming the circles (the gure below marked with “+“ ) on the sticker, drill four screw holes and
one cable entry hole in the ceiling/wall.
Lens Direction
Note: Mounting surface material
determines screw type.
Refer to manual.
GUIDE PATTERN