Using The Headsets; Turning Noisegard™ On/Off; Mono/Stereo Selection (Except Hmec 355, Hmec 355-C, Hmec 372 And Hmdc 372); Adjusting The Volume - Sennheiser SH350 Instructions For Use Manual
Sennheiser noisegard instructions for use model hmdc 372 hmec 350/352/355/355-c/356/372/450