Xvision X4/8/16D User Manual V1.1 61-2 Hard Disk InstallationStep 1) Fix the HDD to rack mount with the screws as indicated.Step 2) Place the HDD on the HDD plate and screw it as indicated.Step 3) Connect the power and the SATA cables as indicated.Note: After installation, please initialize Hard Disk before starting to record. For more detailedinformation, please check User Manual 4-9 System Tools for reference.