Yealink WHM621 Dect Wireless Headset User Guide
- June 5, 2024
- Yealink
Table of Contents
Yealink WHM621 Dect Wireless Headset
Package List
- WHB620 Base (Teams/UC)
- WHM621/WHD622 Headset
- Micro USB to USB-A USB2.0 Cable 1.2M
- Power Adapter
- Quick Start Guide
- Busylight BLT60 (Optional)
TIPS:
We recommend that you use the included accessories, and other accessories may have compatibility issues that prevent them from working properly.
How to Connect
Headset Wear and Adjustment
Earmuff Replacement
How to Use
- PC Button
- 2 Phone Button
- Teams Button Voice Assistant Button
- Mute Button
- Volume Up
- Teams Button/ Answer Call Button
- Volume Down
- Press to enter the softphone dialing screen, answer or enter a softphone’s call.
- Press to enter the phone dialing screen, answer or end a phone call.
- (Teams Edition) Press to invoke the Teams client; Hold 2 seconds to activate Cortana.(UC Edition) Hold 2 seconds to activate voice assistant.
- Press to mute or unmute the microphone.
- 7 Hold 2 seconds to activate Cortana; Press to turn up/down the volume.
- Press to answer, reject, or end a call.
Before using the Teams button functions, you should install the Microsoft Teams client on your PC, smartphone or tablet.
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 financial
damages, lost profits, claims from third parties, etc., arising from the use
of this product.
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 fire, electrical shock, and another 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.
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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 struc-ture 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 -
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 damage and deformation caused by the heavy load.
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Keep at least 10 cm between the device and the closest object for heat dissipation.
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Do not place the device on or near any inflammable or fire-vulnerable object, such as rubber-made mate-rials.
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Keep the device away from any heat source or bare fire, such as a candle or an electric heater.
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Keep the device away from any household appliance with strong magnetic field or electromagnetic field, such as a microwave oven or a refrigerator.
Operating Requirements -
Do not let a child operate the device without guidance.
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Do not let a child play with the device or any accessory in case of accidental swallowing.
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Please use the accessories provided or authorized by the manufacturer only.
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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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Before plugging or unplugging any cable, make sure that your hands are completely dry.
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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.
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Do not tread on, pull, or over-bend any cable in case of malfunction of the device.
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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.
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If the device is left unused for a rather long time, disconnect it from the power supply and unplug the power plug.
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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.
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Do not insert any object into equipment slots that is not part of the product or auxiliary product.
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Before connecting a cable, connect the grounding cable of the device first. Do not disconnect the ground-ing cable until you disconnect all other cables.
Cleaning Requirements -
Before cleaning the device, stop using it and disconnect it from the power supply.
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Use a piece of soft, dry and anti-static cloth to clean the device.
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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 cardboard 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 fined 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 center and treated separately to general urban waste.
Troubleshooting
The unit cannot supply power to Yealink device. There is a bad connection with the plug.
- Clean the plug with a dry cloth.
- Connect it to another wall outlet.
The usage environment is out of the operating temperature range.
- Use in the operating temperature range.
The cable between the unit and the Yealink device is connected incorrectly.
- Connect the cable correctly.
You cannot connect the cable properly.
- You may have connected the wrong Yealink device.
- Use the correct power supply.
Some dust, etc., maybe in the port.
- Clean the port.
Contact your dealer or authorized service facility for any further questions.
FCC Caution
Any changes or modifications not expressly approved by the party responsible
for compliance could void the user’s authority to operate the equipment.
This device complies with part 15 of the FCC Rules. Operation is subject to
the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
Note: This equipment has been tested and found to comply with the limits
for a Class B digital device, pursuant to part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates, uses and
can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
ISEDC Warning
This device complies with Innovation, Science, and Economic Development Canada
licence-exempt RSS standard(s). Operation is subject to the following two
conditions:
- this device may not cause interference, and
- this device must accept any interference, including interference that may cause undesired operation of the device.
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 floor, 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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