Dahua NVR1A-4P Series, User Manual

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XII
Important Safeguards and Warnings
1
．
Electrical safety

All installation and operation here should conform to your local electrical safety codes.

An apparatus with CLASS I construction shall be connected to a MAINS socket outlet with a
protective earthing connection.

Use a power supply which meets the requirements for SELV (Safety Extra Low Voltage) and
complies with Limited Power Source according to IEC 60950-1. Refer to the device label for detailed
information.

The product must be grounded to reduce the risk of electric shock.

We assume no liability or responsibility for all the fires or electric shock caused by improper handling
or installation.
2
．
Transportation security

Heavy stress, violent vibration or water splash are not allowed during transportation, storage and
installation.
3
．
Installation

Keep upwards. Handle with care.

Do not apply power to the NVR before completing installation.

Do not place objects on the NVR.
4
．
Qualified engineers needed

All the examination and repair work should be done by the qualified service engineers.

We are not liable for any problems caused by unauthorized modifications or attempted repair.
5
．
Environment

The NVR should be installed in a cool, dry place away from direct sunlight, inflammable, explosive
substances and etc.

This series product shall be transported, storage and used in the specified environments.

Environment which needs to comply with the following conditions:

The function of the ITE being investigated to IEC 60950-1 is considered not likely to require
connection to an Ethernet network with outside plant routing, including campus environment.

The installation instructions clearly state that the ITE is to be connected only to PoE networks without
routing to the outside plant.
6. Accessories

Be sure to use all the accessories recommended by manufacturer.

Before installation, please open the package and check all the components are included.

Contact your local retailer ASAP if something is broken in your package.
7. Lithium battery

Improper battery use may result in fire, explosion, or personal injury!

When replace the battery, please make sure you are using the same model!