Dahua D-SD59225DB-HC Installation Manual page 5

The Device must be installed in a location that only professionals can access.
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When installing the Device, make sure that the converter is installed inside the bracket.
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To avoid damage, keep the Device away from televisions, radio transmitters, electromagnetic
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devices, electric machines, transformers, and speakers. Do not install it in places with smoke or
vapor, high temperature, and lots of dust. Do not install the device near a heating furnace and
other heat sources, such as a spotlight, kitchen, and boiler room.
Prevent the Device from falling down and from being exposed to violent vibrations.
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We recommend you use the Device with a lightning surge protector for stronger protection
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against lightning. For outdoor scenarios, strictly comply with the lightning protection
regulations.
Before installing the Device, confirm the salt spray tolerance level corresponding to its model.
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Do not install the Device in an environment with higher salt spray levels than it can tolerate.
There are three salt spray tolerance levels for the Device.
Devices with high salt spray tolerance levels can be installed in areas that are within 1500
meters of the sea, or on an offshore platform.
Devices with medium salt spray tolerance levels can be installed in areas that is 1500 meters
away from the sea.
Devices that do not have salt spray tolerance can only be installed in areas that are 3000
meters away from the sea.
The installer of the Device must have required certification or qualified training for installing
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closed-circuit television (CCTV) systems. They must also be trained and certified to work at
heights, and must have knowledge and skills in the following areas:
Basic knowledge and skills in installing CCTV systems and components.
Basic knowledge and skills in low-voltage wiring and in connecting low-voltage electronic
circuits.
The ability to read and understand the manual.
Requirements for lifting the Device:
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The device lifting equipment must be able to adapt to the installation site and the installer
must have knowledge of the installation method.
The device lifting equipment must reach the installation height.
The device lifting equipment must have a high safety rating.
Operation Requirements
Battery Pack Precautions
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Preventive measures (including but not limited to):
Do not transport, store or use the batteries in high altitudes with low pressure and
environments with extremely high and low temperatures.
Do not dispose the batteries in fire or a hot oven, or mechanically crush or cut the batteries
to avoid an explosion.
Do not leave the batteries in environments with extremely high temperatures to avoid
explosions and leakage of flammable liquid or gas.
Do not subject the batteries to extremely low air pressure to avoid explosions and the
leakage of flammable liquid or gas.
Do not connect multiple devices to the same power adapter to avoid the risk of overheating or
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fire if the rated load is exceeded. Please use the power adapter provided by the manufacturer.
The illuminators of some devices emit a blue light that is hazardous to eyes. Do not look directly
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at the light source to avoid damaging your eyes.
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