QSD2308L/QSD2316L DVR User’s Manual4CHAPTER 2 Hardware InstallationNote: Check the unit and the accessories before using the DVR.Please disconnect the power before connecting to other devices. Don't hot plugin/out2.1 Installing Hard Drive & DVD Writer (optional)2.1.1 Installing Hard DriveNote: 1. Supports two SATA hard drives.2. Please calculate HDD capacity needed according to the recording setting.Please refer to “Appendix B Calculate Recording Capacity”.STEP1 Unscrew and open the top coverSTEP2 Connect the power and data cables. Place the HDD onto thebottom case as below.Fig 2.1 Connect HDDSTEP3 Screw in the HDD as shown below.Note: For easier installation, please connect the power and data cablesfirst, and then screw HDD to base.Fig 2.2 Screw in HDD2.1.2 Installing DVD Writer (optional)Note: 1. The writer must be one of the compatible devices we recommend. Please referto “Appendix C Compatible Devices”2. This device is only for backupSTEP1 Unscrew and open the top coverSTEP2 Connect the power and data cables. Place the writer onto thebottom case as shown below.