Yealink Wired USB Headset User Guide
- June 7, 2024
- Yealink
Table of Contents
UH33
User Guide (V1.4)
Components
| 1 | T-Bar | 5 | Boom | 9 | 3.5mm Jack |
|---|---|---|---|---|---|
| 2 | Adjustable Headband | 6 | Microphone with sponge cover | 10 | Controller |
| 3 | Adjustment Rod | 7 | Headset Cable | 11 | USB Connector |
| 4 | Receiver | 8 | Clothing Clip |
Connection
Connecting to a phone or PC with the controller
| Figure | Description | Figure | Description |
|---|
| Connect the
headset to the 3.5mm jack of the controller.| 
| To use the headset mode, simply insert the USB connector into
the USB port of a compatible phone or PC.
Connecting to a mobile phone or PC without the controller
| Figure | Description |
|---|
| Connect the
headset to the 3.5mm jack of the mobile phone or PC.
Wearing the headset
| Figure | Description | Figure | Description |
|---|
| To adjust the
headband, lengthen or shorten the adjustment rod until it fits comfortably.
Position the headset receiver that the ear cushion sit comfortably over the
center of your ears.| 
| Position the
T-bar above your ear.
| Hold the receiver
securely against your ear with one hand. On the other hand, adjust the boom to
ensure that the microphone sits about one finger-width from your mouth.|
| The clothing clip
helps to keep the headset properly positioned and be free from the cord’s
weight. Attach the clothing clip at a comfortable level to liberate your hand.
Usage
Answering or ending a call:
1. When there is an incoming call, the call status LED indicator flashes
green, press to answer the call. The call status LED indicator glows green.
2. Press again to end the call. The call status LED indicator goes out.
Adjusting the volume:
1. Press to increase the listening volume during a call.
2. Press to decrease the listening volume during a call.
Muting or unmuting a Call:
1. Press during a call. The call status LED indicator glows red.
2. Press again to unmute the call. The call status LED indicator goes out.
Redialing a call:
1. Press twice when the phone is idle.
The phone dials out the last dialed number and automatically switches to the
headset mode.
When you receive a call on your PC, you can reject the call in addition to the above operations:
- Press twice.
When you are in an active call and an incoming call arrives on your PC, do the following:
-
To answer the new call, long press for 2 seconds. The current call is placed on hold.
To switch between calls after the call is answered, long press for 2 seconds. -
To reject the new call, press twice.
-
To end the current call and answer the new call, press .
Safety Instructions
Read these safety instructions before use! The following basic safety
precautions should always be
followed to reduce the risk of fire, electrical shock, and another personal
injury.
- Only use Yealink accessories designed for this product.
- Never allow children to play with the product—small parts may be a choking hazard; cords may cause strangulation.
- Do not insert anything into the product because this may cause damage to the internal components or cause injury to you.
- Avoid contact with liquids.
- Discontinue use and contact Yealink if the product overheats, has been damaged, or has a damaged cord or plug.
- If you experience skin irritation after using this product, discontinue use and contact Yealink.
- Exposure to high-volume sound may damage your hearing. To protect your hearing, Yealink suggests that you:
1. Set the volume control in a low position before putting the headset on your ears.
2. Limit the amount of time you use headsets at a high volume.
3. Avoid turning up the volume to block out noisy surroundings.
4. Turn the volume down if the sound from the headset prevents you from hearing people speaking near you.
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)
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 the 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. The legal rights of others should be respected as well.
Environmental Requirements
- Place the device at a well-ventilated place. Do not expose the device to 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.
- 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.
- 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 strikes.
- 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 the 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.
- Before connecting a cable, connect the grounding cable of the device first. Do not disconnect the grounding cable until you disconnect all other cables.
Cleaning Requirements
- Before cleaning the device, 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.
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 the 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 the wrong Yealink device.
2. Use the correct power supply.
Some dust, etc., maybe in the port.
1. Clean the port.
Contact your dealer or authorized service facility for any further questions.
FCC Statement
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.
Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
IC Statement
This device complies with Industry Canada’s license-exempt RSSs. Operation is
subject to the following two conditions:
(1) this device may not cause interference; and
(2) this device must accept any interference, including interference that may
cause undesired operation of the device. CAN ICES-3(B)
Contact Information
YEALINK NETWORK TECHNOLOGY CO.,LTD.
309, 3rd Floor, No.16, Yun Ding North Road, Huli
District, Xiamen City, Fujian, P.R. China
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
Copyright © 2019 YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD. All rights
reserved.
www.yealink.com
References
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>