NEC NRS Expanded Series Configuration Manual page 35

Use the device in conjunction with an UPS if possible.

Power down the unit before connecting and disconnecting accessories and peripherals.

A factory recommended HDD should be used for this device.

Improper use or replacement of the battery may result in hazard of explosion. Replace with the same or

equivalent type only. Dispose of used batteries according to the instructions provided by the battery
manufacturer.
NVR Configuration Guide (Advanced) for NRS Expanded Series Regulatory-3