AUDIO PLAYER Click on button (1) to start the audio. The same button can also be used to pause or continue the audio. Click on button (2) take the audio back to a previous cue. Click on button (3) to bring the audio forward a cue. Button (4) stops the playback and takes the audio back to the beginning. Click on button (5) and drag it left/right to advance or rewind the audio to the part of your choice. You can do the same by clicking on the progress line (6). To adjust the volume, click on (7) and move it left/right accordingly. Click on the loudspeaker (8) to mute the sound. When the loudspeaker is mute, the volume level button is inactive.