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Yealink W78P Seite 8

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Regulatory Notices
Operating Ambient Temperatures
• Operating temperature: +14 to 122°F (-10 to 50°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 nancial damages,
lost prots, 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 support@yealink.
com.
Safety Instructions
Save these instructions. Read these safety instructions before use!
The following basic safety precautions should always be followed to
reduce risk of re, 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.
• Keep the device dry and free of dusts.
• Place the device on a stable and level platform.
• Please place no heavy objects on the device in case of damageand
deformation caused by the heavy load.
• Keep at least 10 cm between the device and the closest object for
heat dissipation.
• Do not place the device on or near any inammable or re-vulnerable
object, such as rubber-made materials.
• Keep the device away from any heat source or bare re, such as a
candle or an electric heater.
• Keep the device away from any household appliance with strong
magnetic eld or electromagnetic eld, such as a microwave oven or
a refrigerator.
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. Pleaseusethe provided surge protection
power socket only.
• Before plugging or unplugging any cable, make sure that your hands
are completely dry.
• Do not spill liquid of any kind on the product or use the equipment
near water, for example, near a bathtub, washbowl, kitchen sink, wet
basement or near a swimming pool.
• 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
Subscriber 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 specied maintenance center for
repair.
• Do not insert any object into equipment slots that is not part of the
product or auxiliary product.
• Before connecting a cable, connect the grounding cable of the device
rst. 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
Those who fail to do so may be ned or prosecuted
in accordance with 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.
1. Connect the cable correctly.
You cannot connect the cable properly.
1. You may have connected a wrong Yealink device.
2. Use the correct power supply.
Some dust, etc., may be in the port.
1. Clean the port.
Contact your dealer or authorized service facility for any further questions.
Contact Information
YEALINK NETWORK TECHNOLOGY CO.,LTD.
309, 3rd Floor, No.16, Yun Ding North Road, Huli District, Xiamen City, Fujian,
P.R.C
YEALINK (EUROPE) NETWORK TECHNOLOGY B.V.
Strawinskylaan 3127, Atrium Building, 8th oor, 1077ZX Amsterdam, The
Netherlands
YEALINK (USA) NETWORK TECHNOLOGY CO., LTD.
999 Peachtree Street Suite 2300, Fulton, Atlanta, GA, 30309, USA
Made in China
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