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ヘッドセット DISCOVER D312UのPDF ユーザーマニュアルをオンラインで閲覧またはダウンロードできます。DISCOVER D312U 14 ページ。 Telephone headset

plugs into the jack perfectly; ensure the mute function is off.

Q2: A sharp voice in speaker or microphone.

Solution: The volume maybe too loud or the microphone is too close

to your mouth. Please adjust your speaker to a suitable volume and

the microphone in a proper distance.

Q3: Hear some buzz sound when in a call.

Solution: Try to use another USB port. The contact for USB port

might be poor.

7. Points for attention

1) Using non-original accessories may cause low performance, body