MUTE / UNMUTE AND MAX VOLUME MUTE / UNMUTE microphone Short press on the Mute button. Set Max Volume X3 Set to 100 dB Press 3 seconds or longer Mute button + Volume UP. LED will flash orange 3 times. 3 sec. Set to 85 dB Press 3 seconds or longer Mute button + Volume DOWN. 5 sec. LED will turn solid orange for 5 seconds. 3 sec. 7 ENGLISH