Figure 2-14 Tighten the Lock Screws 
2.2 In-ceiling Mounting 
Notes: 
 The height of the space above the ceiling must be more than 250mm. 
 The ceiling must be with the thickness between 5 and 40mm. 
 The ceiling must be strong enough to withstand more than 4 times the weight of the dome and 
its accessories. 
2.2.1 Mini Network Speed Dome 
Steps: 
1. Drill holes in the ceiling. 
1). Attach the drill template to the ceiling where you need to install the speed dome. 
2). Cut a hole and drill screw holes according to the drill template. 
Note:  ±2mm of the diameter of the circle is tolerable.