SecurityMan DVR-04 - Manual (Page 5)

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3.1 Install Hard Disk (For DVR model without HDD installed)
Connect power cord and data cable to hard disk, use screws to mount hard disk and tighten well to
the iron of the DVR housing.
CAUTION: Do not open the cover while DVR is on!!!!
3.2 Connect Camera and Monitor
There are 4 camera input and 2 monitor output with BNC connector.
3.3 Connect Power Cord
Please use the power adapter supplied with DVR.
DVR Installation