Getting Started
1.Familiarize yourself with the instructions throughout this manual.
2.Check that you have all the necessary parts and tools. Refer to Parts and Tools on page 3.
3.If possible, back up all essential video before you install a new hard disk drive. If your unit contains two hard disk drives, back up all essential video on the unaffected drive as well.
4.Shut down the DX4000 DVR unit. Refer to the DX400 installation or operation manuals for instructions on shutting down the unit.
5.Unplug the power cord from the wall socket and then from the rear of the DVR.
WARNING: For safety reasons, you must remove the power cord because current continues to flow through the DX4000 even when the unit is off. Remove the power cord from the wall socket first and then from the rear of the DVR. It is critical that the unit be unplugged for your safety.
Figure 1. Removing the Power Cord
6.Ensure that the DX4000 DVR and all of its components are protected from electrostatic discharge (ESD). Before handling any electronic components, you should take steps to ground yourself properly so that any
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