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Yealink VC880 Manual

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Regulatory Notices
Operating Ambient
Temperatures
•
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)
W
arranty
O
ur 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
lia
ble 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
pa
rties, etc., arising from the use of this product.
DC symbol
is the DC voltage symbol.
Restriction of Haza
rdous 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.
Sa
fety Instructions
S
ave 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
• 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.
• During the process of storage, transportation, and operation, please avoid
collision and crash of the device.
• Please attempt not to dismantle the device by yourself. In case of any
discrepancy, please contact the appointed maintenance center for repair.
• 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.
• 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.
• Do not tread on, pull, or over-bend any cable in case of malfunction of the
device.
• During a thunderstorm, stop using the device and disconnect it from the
power supply. Unplug the power plug and the Asymmetric Digital Subscr
iber
Line (ADSL) twisted pair (the radio frequency cable) to avoid lightning strike.
• If the device is left unused for a rather long time, disconnect it from the power
supply and unplug the power plug.
• When there is smoke emitted from the device, or some abnormal noise or
smell, disconnect the device from the power supply, and unplug the power
plug immediately. Contact the specified maintenance center for repair.
• Do not insert any object into equipment slots that is not part of the product
or
auxiliary product.
•
Do not disconnect the grounding cable until you disconnect all other cables.
Cleaning Requirements
• Before cleaning the device, stop using it and disconnect it from the power
supply.
• Use a piece of soft, dry and anti-static cloth to clean the device.
• Keep the power plug clean and dry. Using a dirty or wet power plug may
lead
to electric shock or other perils.
ENVIRONMENTAL RECYCLING
Never dispose of the device with domestic waste
Ask your Town Council about how to dispose of it in an environmentally
friendly way. The cardboarc box, plastic packaging and player components
may be recycled in accordance with prevailing recycling regulations in
your country.
Always adhere to prevailing regulations
the law. The crossed out garbage can that appears on the device means
that when it has reached the end of its useful life, it should be taken to
a special waste disposal centre and treated separately to general urban
waste.
Troubleshooting
The unit cannot supply power to Yealink device.
There is a bad connection with the plug.
1. Clean the plug with a dry cloth.
2. Connect it to another wall outlet.
The usage environment is out of operating temperature range.
1. Use in the operating temperature range.
The cable between the unit and the Yealink device is connected incorrectly.
Before cleaning the device, stop using it and disconnect it from the power supply.
Those who fail to do so may be fined or prosecuted in accordance with
… 13 …


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