User's Manual

4
Safety Instruction
Laws and Regulations
Use of the product must be in strict compliance with the
local laws and regulations. Please shut down the device in
prohibited area.
Power Supply
 Use of the product must be in strict compliance with
the local electrical safety regulations.
 Use the power adapter provided by qualified
manufacturer. Refer to the product specification for
detailed power requirements.
 It is recommended to provide independent power
adapter for each device as adapter overload may cause
over-heating or a fire hazard.
 Make sure that the power has been disconnected
before you wire, install, or disassemble the device.
 DO NOT directly touch exposed contacts and
components once the device is powered up to avoid
electric shock.
 DO NOT use damaged power supply devices (e.g.,
cable, power adapter, etc.) to avoid electric shock, fire
hazard, and explosion.
 DO NOT directly cut the power supply to shut down the
device. Please shut down the device normally and then
unplug the power cord to avoid data loss.
 DO NOT block the power supply equipment to plug and
unplug conveniently.
 Make sure the power supply has been disconnected if
the power adapter is idle.
 Make sure the device is connected to the ground firmly.
Transportation, Use, and Storage
 To avoid heat accumulation, good ventilation is
required for a proper operating environment.
 Store the device in dry, well-ventilated, corrosive-gas-
free, no direct sunlight, and no heating source
environment.
 Avoid fire, water, and explosive environment when
using the device.
 Avoid lightning strike for device installation. Install a
lightning arrester if necessary.
 Keep the device away from magnetic interference.
 Avoid device installation on vibratory surface or places,
and avoid equipment installation on vibratory surface
or places subject to shock (ignorance may cause device
damage).
 DO NOT touch the heat dissipation component to avoid
burns.
 DO NOT expose the device to extremely hot, cold, or
humidity environments. For temperature and humidity
requirements, see device specification.
 The device can only be safely used in the region below
2000 meters above the sea level.
Maintenance
 If smoke, odor, or noise arises from the device,
immediately turn off the power, unplug the power
cable, and contact the service center.
 If the device is abnormal, contact the store you
purchased it or the nearest service center. DO NOT
disassemble or modify the device in any way (For the
problems caused by unauthorized modification or
maintenance, the company shall not take any
responsibility).
 Keep all wrappers after unpacking them for future use.
In case of any failure occurred, you need to return the
device to the factory with the original wrapper.
Transportation without the original wrapper may result
Indicates a hazard with a high level of risk,
which if not avoided, will result in death or
serious injury.