1. Introducció
This manual provides comprehensive instructions for the proper setup, operation, and maintenance of your Plantronics SupraPlus HW251 Monaural Headset. Designed for professional communication, this headset offers clear audio and comfortable wear for extended use with compatible corded telephone systems.

Image 1.1: The Plantronics SupraPlus HW251 Monaural Headset, featuring an over-the-head design with a single ear cushion and an adjustable microphone boom.
2. Contingut del paquet
Comproveu que el vostre paquet contingui els elements següents:
- Plantronics SupraPlus HW251 Monaural Headset
3. Configuració
Follow these steps to connect and prepare your headset for use:
- Connecteu els auriculars: Plug the headset's Quick Disconnect (QD) cable into a compatible Plantronics Polaris Cable (model 2719001, sold separately) or directly into your corded telephone's headset jack. Ensure the connection is secure.
- Col·locació dels auriculars: Place the headset over your head with the ear cushion resting comfortably on one ear. The headband should sit gently on your head.
- Adjust the Microphone: Gently bend the microphone boom so that the microphone is approximately two finger-widths from the corner of your mouth. Ensure it is positioned for optimal voice pickup without obstructing your vision.
4. Instruccions de funcionament
Once connected, operate your headset as follows:
- Fer/Rebre trucades: Use your telephone's standard call controls (e.g., headset button, dial pad) to initiate or answer calls. Audio will be routed through the headset.
- Control de volum: Adjust the listening volume using your telephone's volume controls. The headset itself does not feature integrated volume controls.
- Funció de silenci: If your telephone or Polaris cable has a mute function, activate it to temporarily silence your microphone.
5. Manteniment
Una cura adequada garanteix la longevitat i el rendiment dels auriculars:
- Neteja: Use a soft, dry cloth to wipe the headset. For the ear cushion, a slightly damp cloth with mild soap can be used, ensuring no moisture enters the speaker or microphone. Allow to air dry completely before use.
- Emmagatzematge: Store the headset in a clean, dry place away from extreme temperatures and direct sunlight. Avoid wrapping the cable tightly around the headset.
- Cura del cable: Do not pull on the cable to disconnect the headset. Always grasp the plug or Quick Disconnect connector.
6. Solució De Problemes
Si teniu problemes, consulteu les solucions habituals següents:
| Problema | Causa possible | Solució |
|---|---|---|
| No hi ha so als auriculars | Headset not properly connected; telephone volume too low; incorrect telephone setting. | Ensure all cables are securely connected. Increase telephone volume. Verify telephone is set to headset mode. |
| El micròfon no funciona | Microphone muted; microphone boom incorrectly positioned; faulty connection. | Check if the mute function is active on your telephone or cable. Reposition the microphone boom. Reconnect the headset. |
| Ressò durant les trucades | Telephone volume too high; telephone compatibility issue. | Reduce the listening volume on your telephone. Consult your telephone's manual for headset compatibility or adjustments. |
7. Especificacions
- Model: HW251
- Marca: Plantronics
- Tecnologia de connectivitat: Amb cable
- Presa per a auriculars: Quick Disconnect (requires compatible adapter/cable)
- Estil: Per sobre del cap
- Col·locació de les orelles: Supraaural (Monaural)
- Control de soroll: Aïllament acústic
- Interval de freqüència: 50-7000 Hz
- Pes de l'article: 1.3 unces (aproximadament 36.85 grams)
- Dimensions del producte: 7 x 5.4 x 2.25 polzades (aproximadament 17.78 x 13.72 x 5.72 cm)
- Color: Negre
- Característica especial: Desconnexió ràpida
8. Garantia i Suport
For warranty information and technical assistance, please refer to the official Plantronics (now Poly) weblloc web o contacteu directament amb el seu servei d'atenció al client.
Legal Disclaimer: Warranty does not cover misuse of the product.
Es recomana conservar el comprovant de compra per a reclamacions de garantia.





