WBOX Technologies 0E-4CHNVR2TB User Manual page 4

Precautions

Strictly conform to local electrical safety standards and use power adapters that are
marked with the LPS standard when installing and using this device. Otherwise,
this device may be damaged.

Use accessories delivered with this device. The voltage must meet input voltage
requirements for this device.

If this device is installed in places with unsteady voltage, ground this device to
discharge high energy such as electrical surges in order to prevent the power supply
from burning out.

When this device is in use, ensure that no water or any liquid flows into the device.
If water or liquid unexpectedly flows into the device, immediately power off the
device and disconnect all cables (such as power cables and network cables) from
this device.

Do not focus strong light (such as lighted bulbs or sunlight) on this device.
Otherwise, the service life of the image sensor may be shortened.

If this device is installed in places where thunder and lightning frequently occur,
ground the device nearby to discharge high energy such as thunder strikes in order
to prevent device damage.

Avoid heavy loads, intensive shakes, and soaking to prevent damages during
transportation and storage. The warranty does not cover any device damage that is
caused during secondary packaging and transportation after the original packaging
is taken apart.

Protect this device from fall-down and intensive strikes, keep the device away from
magnetic field interference, and do not install the device in places with shaking
surfaces or under shocks.

Clean the device with a soft dry cloth. For stubborn dirt, dip the cloth into slight
neutral cleanser, gently wipe the dirt with the cloth, and then dry the device.

Do not jam the ventilation opening. Follow the installation instructions provided in
this document when installing the device.

Keep the device away from heat sources such as radiators, electric heaters, or other
heat equipment.

Keep the device away from moist, dusty, extremely hot or cold places, or places
with strong electric radiation.

If the device is installed outdoors, take insect- and moisture-proof measures to
avoid circuit board corrosion that can affect monitoring.

Remove the power plug if the device is idle for a long time.

Before unpacking, check whether the fragile sticker is damaged. If the fragile
sticker is damaged, contact customer services or sales personnel. The manufacturer
shall not be held responsible for any artificial damage of the fragile sticker.
ii
Network Video Recorder(NVR)
User Manual
Issue V1.0 (2018-05-11)