1.  Blocking the microphone

As shown in the figure below, the VMX 100 has two microphones, one in the front of the arm, and the other below the arm. Sometimes, the microphone under the arm may be blocked by the user’s ear. In this case loosen the grip of the VMX 100 to avoid this obstruction.

Note:

Different shapes of the ear will reflect the sound differently. Some ears will generate more echo than others.

2. Too laud speaker output

In some cases too laud speaker output can create feedback for the person you talk to. Bring this down a bit since in most cases you do not need too high volume from the speaker to understand what is being said.