95The series DVR has one SATA HDD.① Loosen the screws of the uppercover and side panel.②Fix four screws in the HDD (Turnjust three rounds).③Place the HDD in accordancewith the four holes in the bottom.④ Turn the device upside down andthen turn the screws in firmly.⑤Fix the HDD firmly. ⑥Connect the HDD cable andpower cable.⑦Put the cover in accordance with theclip and then place the upper coverback.⑧Secure the screws in the rear paneland the side panel.Important: You can connect the HDD data cable and the power cable first and then fix the HDD in the device. Please pay attention to the front cover. It adopts the vertical sliding design. You need to push theclip first and then put down.3.4 Connecting Power SupplyPlease check input voltage and device power button match or not.We recommend you use UPS to guarantee steady operation, DVR life span, and other peripheralequipments operation such as cameras.3.5 Connecting Video Input and Output Devices3.5.1 Connecting Video Input