Digital Video Recorder User Manual11Fig 2.2 Screw HDD2.1.2 Install DVD WriterNotice: 1. The writers must be the compatible devices we recommend. Please refer to “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 DVD writer onto the bottom case as below.Fig 2.3 Connect the DVD WriterStep3: Screw the DVD writer as below.