8
Regulatory Notices
Operating Ambient Temperatures
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Operating temperature: +32 to 104°F (0 to 40°C)
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Relative humidity: 5% to 90%, noncondensing
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Storage temperature: -22 to +158°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.
DC symbol
is the DC voltage symbol.
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 [email protected].
Safety Instructions
Save these instructions. Read these safety instructions before use!
The following basic safety precautions should always be followed to reduce risk
of fire, electrical shock, and other personal injury.
General Requirements
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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.
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During the process of storage, transportation, and operation, please avoid
collision and crash of the device.
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Please attempt not to dismantle the device by yourself. In case of any
discrepancy, please contact the appointed maintenance center for repair.
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Without prior written consent, no organization or individual is permitted to
make any change to the structure or the safety design of the device. Yealink
is under no circumstance liable to consequences or legal issues caused by
such changes.
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Please refer to the relevant laws and statutes while using the device. Legal
rights of others should be respected as well.
Environmental Requirements
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Place the device at a well-ventilated place. Do not expose the device under
direct sunlight.
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Keep the device dry and free of dusts.
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Place the device on a stable and level platform.
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Please place no heavy objects on the device in case of damageand
