Operations during a call

Adjust call sound quality.

  1. Touch [Speech Quality].
  2. Touch T or Uto adjust each parameter.

[Microphone Level]

Adjust the level of microphone gain. Default is “0”.

[Echo Cancel Level]

Adjust the level of echo cancellation. Default is “0”.

[Noise Reduction Level]

Reduce the noise generated in the surrounding environment without changing the microphone volume.
Use this function when the voice of caller is not clear. Default is “0”.

[Time Alignment]

Application Version: 1.3.0006.3200 or later

If a echo generates on the other side of a Hands-Free call (echo cancellation does not work), adjust the sound delay time.

When the [Fiber Optic Output] is set to 48 kHz or 96 kHz, the default is "20".

When the [Fiber Optic Output] is set to OFF, the default is "0".

Application Version: 1.2.0006.3200 or earlier

If the delay in the digital sound output is disrupting the Echo Canceling of hands-free sound, adjust the sound delay time. Default is “20”.
This can be adjusted when the digital sound output settings are on.

Adjust the receiver volume

  1. Turn the volume knob clockwise to increase, and counter-clockwise to decrease.

Mute your voice

Touch to mute or not to mute your voice.

Output the dial tone

Touch [DTMF] to display the tone input screen.

You can send tones by touching desired keys on the screen.

Switching between speaking voice output destinations

Touching / each time switches speaking voice output destinations between the smartphone/cell-phone and the speaker.

Call-waiting

When you receive a new call while talking on the phone, you can answer the newly received call by touching . The current call is put on hold.

Each time you touch , the caller will change to the other one.

When you touch , the current call will end to be switched to the call waiting on hold.