MDR-ZX750BN

Phone calls

  • The caller’s voice cannot be heard.

  • Check that both the headset and the BLUETOOTH smartphone or mobile phone are turned on.

  • Check the connection between the headset and the BLUETOOTH smartphone or mobile phone. Use the smartphone or mobile phone and make a BLUETOOTH connection (HFP or HSP) again.

  • Check that output of the BLUETOOTH smartphone or mobile phone is set for the headset.

  • Check that the volume of the headset is not set too low.

  • Turn up the volume on the BLUETOOTH smartphone or mobile phone if necessary.

  • If you are listening to music using the headset, stop playback, press the button on the headset and talk.

  • Low sound from the caller

  • Turn up the volume of the headset.

  • Turn up the volume on the BLUETOOTH smartphone or mobile phone if necessary.