Yealink UH38 Mono USB Wired Headset User Guide

UH38 Mono & UH38 Dual
USB Wired Headset
Quick Start Guide
V1.1

Package List

1. UH38 Dual Headset / UH38 Mono Headset
2. USB 2.0 Cable (USB-A to USB-C/USB-C to USB-C)
3. Carrying Case
4. Quick Start Guide

Note: We recommend that you use the included accessories, and other accessories may have compatibility issues that prevent them from working properly.

Connection

• The BT dongle needs to be purchased separately, please contact your dealer if necessary.

Wear the Headset

Usage

pairing mode (the button flashes red and blue). Then, search and connect Yealink UH38 on the mobile phone.
•Hold for 5 seconds to turn off Bluetooth.
•Bluetooth device call control button: press to answer, reject, or end a mobile call.
2| Mute/unmute Button| Press to mute or unmute the microphone.
3| PC Talk Button| USB connected device call control button: press to answer, reject, or end a PC/desk phone call.
4| Volume up Button
Volume down Button| Press to turn up/turn down the volume.
5| (Teams Edition) Teams
Button| •Hold for 2 seconds to activate Cortana integrated in Teams (this requires Microsoft’s support).
•Press to invoke the Teams client.
(UC Edition) Voice
Assistant Button| Hold for 2 seconds to activate the voice assistant.

Note: Before using the Teams functions, you should install the Microsoft Teams client on your
PC. For more information on LED indicator status, please refer to the user guide.

Replace Ear Cushions

When installing a replacement ear cushion:

• Remove the outer layer of the double-sided sticker from the new ear cushion.
• Align the cushion with the headset base and press them firmly together to snap it into place (you can hear a click for all 4 snaps).
• Press around the entire edge of the cushion to make sure that the double-sided tape and the headset base are seamlessly pasted in the entire circle.

Software

Yealink USB Connect
Yealink provides a USB device manager client – Yealink USB Connect, which you can use to personalize and manage your Yealink headsets.

Download it from the Yealink website https://www.yealink.com/product/yuc.
Note: It needs to be used with Yealink USB Connect of version 0.33.x.x or higher.

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 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.

Battery Requirements

• Do not immerse the battery into the water, which could short-circuit and damage the battery.
• Do not expose the battery to an open flame or leave the battery where it could be subjected to extremely high temperatures, which could cause the battery to explode.
• Do power the handset off before removing the battery.
• Do not try to use the battery for the power supply of any device other than this handset
• Do not open or mutilate the battery, released electrolyte is corrosive and may cause damage to your eyes or skin.
• Use only the rechargeable battery pack delivered with the handset or those rechargeable battery packs expressly recommended by Yealink.
• Defective or exhausted batteries should never be disposed of as municipal waste. Return the old battery to the battery supplier, a licensed battery dealer, or a designated collection facility.

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 the 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 RSS. 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)

Radiation Exposure Statement
This equipment complies with FCC and IC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20cm between the radiator and your body.

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

Note: UH38 supports Yealink T27G/T4xS/T4U/T53/T5xW/T58/VP59 through a USB connection. To have a better experience, the phone firmware recommended being v86 (xx.86.x.xx) or higher. You can find more detail in the “Yealink Headset Compatibility Guide” from the Yealink support website.

Need more help?

http://support.yealink.com/documentFront/forwardToDocumentFrontDisplayPage
Yealink Documentation

https://support.yealink.com/en/portal/compatible
Yealink Headset
Compatibility Guide

Technical Support Visit Yealink WIKI (http://support.yealink.com/) for the latest firmware, guides, FAQ, Product documents, and more. For better service, we sincerely recommend you to use Yealink Ticketing system https://ticket.yealink.com) to submit all your technical issues.

YEALINK(XIAMEN) NETWORK TECHNOLOGY CO., LTD.
Web: www.yealink.com
Copyright©2021 YEALINK(XIAMEN) NETWORK
TECHNOLOGY CO., LTD. All rights reserved.

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