Operating temperature: +32 to 104°F (0 to 40°C)
Relative humidity: 5% to 90%, noncondensing
Storage temperature: -22 to +160°F (-30 to +70°C)
Warranty
Our product warranty is limited only to the unit itself, when used normally in accordance with the operating
instructions and the system environment. We are not liable for damage or loss resulting from the use of this product,
or for any claim from a third party. We are not liable for problems with Yealink device arising from the use of this
product; we are not liable for financial damages, lost profits, claims from third parties, etc., arising from the use of this
product.
Explanation of the symbols
DC symbol is the DC voltage symbol.
WEEE Warning symbol
To avoid the potential effects on the environment and human health as a result of the presence of hazardous
substances in electrical and electronic equipment, end users of electrical and electronic equipment should
understand the meaning of the crossed-out wheeled bin symbol. Do not dispose of WEEE as unsorted municipal
waste and have to collect such WEEE separately.
Restriction of Hazardous Substances Directive (RoHS)
This device complies with the requirements of the EU RoHS Directive. Statements of compliance can be obtained by
contacting support@yealink.com
Safety Instructions
Save these instructions. Read these safety instructions before use!
General Requirements
Before you install and use the device, read the safety instructions carefully and observe the situation during
operation.
During the process of storage, transportation, and operation, please always keep the device dry and clean,
avoid collision and crash.
Please attempt not to dismantle the device by yourself. In case of any discrepancy, please contact the
appointed maintenance center for repair.
Please refer to the relevant laws and statutes while using the device. Legal rights of others should be respected
as well.
Environmental Requirements
Place the device at a well-ventilated place. Do not expose the device under direct sunlight.
Keep the device dry and free of dust.
Do not place the device on or near any inflammable or fire-vulnerable object, such as rubber-made materials.
Keep the device away from any heat source or bare fire, such as a candle or an electric heater.
Operating Requirements
Do not let a child operate the device without guidance.
Do not let a child play with the device or any accessory in case of accidental swallowing.
Please use the accessories provided or authorized by the manufacturer only.
The power supply of the device shall meet the requirements of the input voltage of the device. Please use the
provided surge protection power socket only.
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