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
Summary of Contents for D312U
Page 1: ...Telephone Headset D312U...
Page 5: ...3 Connection...
Page 7: ...Step 2 Input Audio in Windows Settings and then choose Manage audio devices...
Page 8: ...Step 3 In sound options choose D312U in the list of Playback and Recording D312U...
Page 10: ...Step 2 Select Sound from the list...
Page 11: ...Step 3 In sound options choose USB Audio Device in the list of output and input...
