Lightning protection and earthing for outdoor equipment
Earthing is the foundation. Without a solid earth connection even the best surge protector is decoration.
Waterproofing and conduit practice for outdoor cable runs
Conduit, enclosure and gland form three lines of defence. The principle is simple: let water run down, never along the cable.
Focusing and tuning the camera picture
Set back focus before focus, commission by day and re-check by night. That order keeps near and far subjects sharp.
Installing and initialising a hard drive in an NVR
Power down, choose the right drive and initialise correctly. Three steps that prevent a new system that simply does not record.
