1. Johdanto
The Discover D722 Noise Canceling Headset is designed for use with office desk phones, providing clear audio and effective noise cancellation for professional communication. This manual will guide you through the setup, operation, and maintenance of your headset to ensure optimal performance.

Image: A person wearing the Discover D722 Noise Canceling Headset, demonstrating its use in an office setting.
2. Pakkauksen sisältö
Varmista, että pakkauksessasi on kaikki tarvittavat osat:
- Discover D722 Headset
- Pääpanta
- Liitäntäkaapeli
Note: A compatible direct connect cable for your specific desk phone model is sold separately and is required for operation.
3. Asennusohjeet
3.1 Yhteensopivuus
The Discover D722 headset is compatible with a wide range of office desk phones. It requires a compatible direct connect cable, which is sold separately. The specific cable needed will depend on the make and model of your desk phone. If you are unsure about compatibility or which cable to purchase, please contact Discover support for assistance.

Image: Visual representation of the Discover D722 headset's compatibility with various desk phones, highlighting that the direct connect cable is a separate purchase.
3.2 Kuulokkeiden kytkeminen
- Ensure your desk phone is powered on.
- Connect the appropriate direct connect cable (sold separately) to the headset's quick disconnect port.
- Plug the other end of the direct connect cable into the headset port on your desk phone. This port is typically labeled with a headset icon or "AUX".
- Säädä kuulokemikrofoni istumaan mukavasti päähäsi.
- Position the microphone approximately one inch from your mouth for optimal voice pickup.
4. Käyttöohjeet
4.1 Kuulokkeiden käyttö
The D722 headset features an adjustable headband and over-ear design with cooling gel memory foam ear cushions for extended comfort. Adjust the headband to fit securely and comfortably over your head, ensuring the ear cushions fully enclose your ears for optimal sound isolation and noise cancellation.

Kuva: Yksityiskohtainen view of the Discover D722 headset highlighting its ergonomic features and noise cancellation capabilities.
4.2 Puheluiden soittaminen ja vastaanottaminen
Once connected, your headset will function as the primary audio device for your desk phone. Refer to your desk phone's manual for specific instructions on how to activate the headset mode, make calls, and answer incoming calls.
4.3 Volume Control and Mute
The D722 headset typically includes inline controls on the direct connect cable (if applicable) for adjusting volume and muting the microphone. Locate these controls on your cable and use them to manage your audio during calls. The headset also features touch control for certain functions, depending on the specific direct connect cable used.
4.4 Melunvaimennus
The Discover D722 features active noise cancellation to reduce ambient background noise for both the user and the listener. The over-ear design also provides passive noise isolation. Ensure the ear cushions are properly seated around your ears for maximum noise reduction.
5. Huolto ja hoito
- Puhdistus: Puhdista kuulokkeet pehmeällä, kuivalla liinalla. Älä käytä nestemäisiä puhdistusaineita tai liuottimia.
- Varastointi: Säilytä kuulokkeita viileässä ja kuivassa paikassa, kun niitä ei käytetä. Vältä äärimmäisiä lämpötiloja.
- Kaapelihuolto: Handle the connection cable gently. Avoid sharp bends or excessive pulling to prevent damage. The cable is retractable, which helps in managing its length.
- Korvatyynyt: Periodically check the ear cushions for wear and tear. Replacement ear cushions may be available from Discover support.
6. Vianmääritys
If you encounter issues with your Discover D722 headset, please refer to the following common solutions:
- Ei ääntä / Huono äänenlaatu:
- Ensure the headset cable is securely connected to both the headset and the desk phone.
- Verify that the headset mode is activated on your desk phone.
- Check the volume levels on both the headset's inline controls and your desk phone.
- Confirm that the direct connect cable is compatible with your specific desk phone model.
- Mikrofoni ei toimi:
- Ensure the microphone is not muted via the inline controls or your desk phone.
- Adjust the microphone boom arm so the microphone is positioned close to your mouth.
- Tarkista, onko mikrofonin edessä esteitä.
- Epämukavuus käytön aikana:
- Säädä pääpantaa löysemmän tai tiukemman istuvuuden saavuttamiseksi.
- Ensure the ear cushions are properly positioned over your ears.
- Pidä lyhyitä taukoja pitkäaikaisen käytön aikana.
If these steps do not resolve the issue, please contact Discover support for further assistance.
7. Tekniset tiedot
| Mallin nimi | D722U |
| Tuotteen mallinumero | D722 |
| Merkki | Tutustu |
| Yhteystekniikka | Langallinen |
| Kuulokkeet Jack | 3.5 mm Jack |
| Melunhallinta | Aktiivinen melunvaimennus |
| Korvien sijoitus | Korvan yli |
| Muototekijä | Korvan yli |
| Kuulokkeen muoto | Korvan yli |
| Materiaali | Muovi |
| Väri | Musta |
| Yhteensopivat laitteet | Desk Phones, UC Applications |
| Ohjaustyyppi | Äänenvoimakkuuden säätö |
| Valvontamenetelmä | Kosketa |
| Kaapeliominaisuus | Sisäänvedettävä |
| Mukana olevat komponentit | Cable, Headband |
| Tuotteen paino | 12 unssia |
| Pakkauksen mitat | 8.78 x 7.36 x 3.58 tuumaa |
| UPC | 811723031864 |
| GTIN | 811723031864 |
8. Opetusvideot
8.1 Tuote ohiview ja Asennusopas
Video: A comprehensive guide demonstrating the features, setup, and basic operation of the Discover D722 headset. (Duration: 2:52)
8.2 Detailed Usage and Advanced Tips
Video: An in-depth video covering detailed usage scenarios, advanced features, and tips for maximizing the performance of your Discover D722 headset. (Duration: 11:28)
9. Takuu ja tuki
9.1 Tuotetakuu
The Discover D722 headset comes with a 3-year replacement warranty. For details regarding warranty claims and terms, please contact Discover customer support.
9.2 Asiakastuki
For technical assistance, compatibility inquiries, or any other support needs, please visit the official Discover websivustolla tai ota yhteyttä heidän asiakaspalveluunsa. Yhteystiedot löytyvät yleensä tuotepakkauksesta tai tuotemerkin virallisesta websivusto.
Voit myös vierailla Discover Store on Amazon saadaksesi lisätietoja ja resursseja.