HIKVISION DS-UL4 User Manual page 4

Laws and Regulations
The device should be used in compliance with local laws,
electrical safety regulations, and fire prevention
regulations.
Electrical Safety
The socket-outlet shall be installed near the equipment
and shall be easily accessible.
Cautions
Fire Prevention
No naked flame sources, such as lighted candles, should
be placed on the equipment.
Input voltage should meet both the SELV (Safety Extra
Low Voltage) and the Limited Power Source with 5 VDC
according to the IEC60950-1, or the power level PS2 with
5 VDC according to the IEC62368-1 standard. Refer to
technical specifications for detailed information.
Installation
Install the equipment according to the instructions in this
manual.
Never place the equipment in an unstable location. The
equipment may fall, causing serious personal injury or
death.
DO NOT touch the sharp edges or corners.
Transportation
Keep the device in original or similar packaging while
transporting it.
DO NOT drop the product or subject it to physical shock.
Power Supply
Refer to the device label for the standard power supply.
Please make sure your power supply matches with your
device.
Maintenance
If the product does not work properly, please contact
your dealer or the nearest service center. We shall not
assume any responsibility for problems caused by
unauthorized repair or maintenance.
Cleaning
Please use a soft and dry cloth to clean the interior and
exterior surfaces. Do not use alkaline detergents.
Using Environment
The device contains magnets. Keep the valuables and the
precise products away from the device.
When any laser equipment is in use, make sure that the
device lens is not exposed to the laser beam, or it may
burn out.
DO NOT aim the lens at the sun or any other bright light.
To avoid heat accumulation, good ventilation is required
for a proper operating environment.
DO NOT expose the device to extremely hot, cold, dusty,
corrosive, saline-alkali, or damp environments. For
temperature and humidity requirements, see device
specification.
DO NOT expose the device to high electromagnetic
radiation.
Emergency
If smoke, odor, or noise arises from the device,
immediately turn off the power, unplug the power cable,
and contact the service center.