Safety Information
To use the device properly and safely, read the safety precautions carefully before using the device and
strictly observe these precautions when using the device.
Safety precautions:
Store devices and accessories in temperature –10°C to +35°C and relative humidity 30%–85% RH for at
most 9 months. If the ambient temperature or relative humidity is overhigh or overlow, the device may be
faulty.
Used only indoors. Do not lead metallic cables, such as network cables and telephone lines outdoors.
Do not look directly into the optical port without eye protection.
Keep the device out of the reach of children as the components or accessories may be swallowed.
Install the device in strict compliance with the requirements of the supplier. Reserve a space of at least 10
cm above and around the device for heat dissipation. During the installation, keep the device away from
electric appliances that generate strong magnetic or electric fields, such as microwave ovens, refrigerators,
and mobile phones.
The described input voltage range should comply with the local power grid. For example, the input voltage
of the adapter is 200–240 V AC for European Union; the input voltage of the adapter is 100–140 V AC for
America.
If the power adapter is damaged and its internal circuit is exposed due to manmade factors, do not touch
the exposed circuit, which may bring safety risks.
Only power adapters delivered with the device can be used. Otherwise, the device may be abnormal or
unsecure.
Dry your hands before connecting or disconnecting cables. Stop the device and switch off the power before
connecting or disconnecting cables.
Do not place any object on the device, so that the device will not be damaged due to overheating or
deformation.
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