1. Opsætning
1.1 Udpakning og pakkeindhold
Carefully unpack your Yealink UH48 ANC Wired Headset. Ensure all components are present:
- Yealink UH48 ANC Wired Headset
- Beskyttende etui
- Brugervejledning (dette dokument)
1.2 Tilslutning af headsettet
The UH48 headset offers plug-and-play connectivity via USB-A or USB-C adapter. No additional drivers are typically required for basic functionality.
- Identify the USB port on your computer (PC or Mac) or VoIP phone.
- Connect the USB-A or USB-C adapter of the headset cable to the available USB port.
- Headsettet burde blive genkendt automatisk af dit operativsystem.
For optimal performance and advanced features, it is recommended to install the Yealink USB Connect software. This software allows for EQ settings, device status monitoring, and firmware updates.

Image: The Yealink UH48 headset connected to a laptop, demonstrating its USB-C to USB-A adapter for plug-and-play functionality with various devices.
1.3 Første tilpasning og justering
Adjust the headset for comfortable wear:
- Pandebånd: Extend or retract the adjustable headband until the ear cushions rest comfortably over your ears.
- Mikrofonbom: Position the microphone boom approximately 2 cm (0.8 inches) from the corner of your mouth for optimal voice pickup. The microphone boom is flexible and can be rotated.

Billede: Detaljeret view of the UH48 headset highlighting its ergonomic features for comfort, including the adjustable headband and soft ear cushions, along with integrated controls.
2. Betjeningsvejledning
2.1 Headset-kontroller
The Yealink UH48 headset features integrated controls for easy management of calls and audio:
- Lydstyrkekontrol: Buttons on the earcup to increase or decrease audio volume.
- Afspil/pause: Button on the earcup to control media playback.
- Mute-knap: A dedicated button or by lifting the microphone boom to mute/unmute the microphone.
- Microsoft Teams Certified Button: For quick access to Microsoft Teams functions (e.g., answer/end calls, launch Teams).
- travlt: A 360-degree busylight indicates call status to others.

Image: A visual guide to the headset's controls, detailing the functions of the mute button, ANC switch, busylight, Teams/UC button, and call management features.
2.2 Aktiv støjreduktion (ANC)
The UH48 headset features Active Noise Cancellation to reduce ambient sound. This is particularly useful in noisy environments like open offices or public spaces.
- Locate the ANC switch on the headset.
- Toggle the switch to activate or deactivate ANC.
- When ANC is active, you will notice a significant reduction in background noise, allowing for greater focus.
Video: This video demonstrates the effect of the Active Noise Cancellation (ANC) feature on the Yealink UH48 headset, showing how it helps to block out ambient sounds for improved focus during calls and work.
2.3 Microphone Usage and Noise Cancelling
The headset is equipped with advanced noise-cancelling microphones to ensure your voice is clear during calls.
- Ensure the microphone boom is positioned correctly (approx. 2 cm from your mouth).
- The integrated Environmental Noise Cancellation (ENC) technology filters out background distractions such as keyboard typing, household noises, and general office chatter.

Image: A visual representation of the 4 noise-cancelling microphones in action, demonstrating their effectiveness in isolating the user's voice from background noise during a call.
Video: This video highlights the clarity of calls achieved with the Yealink UH48 ANC USB Headset, showcasing its 4-mic noise-cancelling technology that ensures only the user's voice is heard, even in busy environments.
2.4 Call Management and Platform Compatibility
The UH48 is Microsoft Teams Certified and compatible with various unified communication (UC) platforms.
- Use the dedicated Teams button for seamless integration with Microsoft Teams.
- The headset supports call control functions such as answer, end, and reject calls directly from the headset.
- Compatible with Zoom, softphones, laptops, VoIP phones, PC, and Mac.

Billede: En overview of the Yealink UH48 headset's broad compatibility with leading unified communication platforms, including Microsoft Teams, Zoom, and others.
2.5 Audio Settings and EQ
The headset features 30mm dynamic drivers for high-fidelity audio. You can customize audio settings using the Yealink USB Connect software.
- Download and install the Yealink USB Connect software from the official Yealink webwebsted.
- Tilslut dit headset til din computer.
- Use the software to adjust equalizer (EQ) settings for different audio modes (e.g., music, voice calls).
- The software also allows for switching between Teams and UC platforms.

Image: The Yealink USB Connect software interface, demonstrating options for adjusting audio equalizer settings and switching between Microsoft Teams and other Unified Communications platforms.
3. Vedligeholdelse
3.1 Rengøring af headsettet
Regular cleaning helps maintain the headset's hygiene and extends its lifespan.
- Use a soft, dry, lint-free cloth to wipe down the ear cushions and headband.
- Til genstridigt snavs, let dampRengør kluden med vand eller et mildt, ikke-slibende rengøringsmiddel. Undgå for meget fugt.
- Brug ikke skrappe kemikalier, opløsningsmidler eller slibende materialer.
- Ensure the headset is completely dry before use.
3.2 Udskiftning af ørepuder
The ear cushions are designed to be replaceable, contributing to the headset's longevity and hygiene.
- Gently twist and pull the old ear cushions to remove them from the earcups.
- Align the new ear cushions with the earcups and press them firmly until they click into place.

Billede: En detaljeret view of the headset's construction, emphasizing the replaceable ear cushions and the durable, hydrolysis-resistant leather used in its design.
3.3 Storage and Cable Care
- Når headsettet ikke er i brug, skal det opbevares i dets beskyttelsesetui for at forhindre skader.
- Avoid tightly coiling the cable or bending it at sharp angles to prevent internal wire damage.
- Keep the headset away from extreme temperatures and direct sunlight.
4. Fejlfinding
4.1 Ingen lyd eller mikrofonen virker ikke
- Tjek forbindelsen: Ensure the USB connector is fully inserted into the port. Try a different USB port.
- Systemindstillinger: Verify that the Yealink UH48 is selected as the default audio input and output device in your computer's sound settings or your communication application (e.g., Microsoft Teams, Zoom).
- Lydløs status: Check if the microphone is muted. The mute button or microphone boom position can activate mute.
- Lydstyrkeniveauer: Adjust the volume on the headset and in your computer's system settings.
4.2 Active Noise Cancellation (ANC) Issues
- ANC-switch: Ensure the ANC feature is toggled ON.
- Passe: A proper seal around your ears is crucial for effective ANC. Adjust the headset for a snug fit.
- Software: Check the Yealink USB Connect software for any ANC-related settings or updates.
4.3 Headset Not Recognized by Computer
- Genstart: Disconnect the headset and restart your computer, then reconnect the headset.
- USB-port: Prøv at tilslutte til en anden USB-port på din computer.
- Drivere: While plug-and-play, ensure your operating system is up to date. Consider installing or reinstalling the Yealink USB Connect software.
5. Specifikationer
Key technical specifications for the Yealink UH48 ANC Wired Headset:
| Feature | Specifikation |
|---|---|
| Modelnavn | UH48 Teams |
| Forbindelsesteknologi | Kablet |
| Inputenhedsgrænseflade | USB |
| Hovedtelefonstik | 3.5 mm Jack (Note: Primary connection is USB) |
| Støjkontrolfunktioner | Adaptiv støjreduktion |
| Mikrofon | Noise Cancelling Microphone (ENC) |
| Audio driver type | Dynamisk driver (30 mm) |
| Ørestykke form | On Ear |
| Kontrolmetode | Tryk knap |
| Kompatible enheder | Laptops, PC, Mac, VoIP Phones |
| Kabellængde | 1.7 m |
| Varens vægt | 11.3 ounce |
| Farve | Sort |
| UPC | 841885125767 |
6. Garanti og support
6.1 Produktgaranti
For detailed information regarding the product warranty, please refer to the official Yealink webwebstedet eller garantikortet, der fulgte med dit køb. Garantivilkårene kan variere afhængigt af region og forhandler.
6.2 Kundesupport
If you encounter issues not covered in this manual or require further assistance, please contact Yealink customer support through their official website. You may also find additional resources, FAQs, and software downloads on their support pages.





