Sennheiser HMEC 300 Headphones User Manual


 
112
Contents
Safety tips ....................................................................................................113
Headset features ..............................................................................................114
Product variants........................................................................................................................ 115
Delivery includes .............................................................................................. 118
Recommended accessories ...............................................................................119
Connecting the headsets.................................................................................. 120
Connecting cables for headsets ................................................................................................ 120
Powering options ..................................................................................................................... 122
Preparing the headsets for use .........................................................................128
Adjusting the headband ........................................................................................................... 128
Positioning the microphone ...................................................................................................... 129
Additional information for helicopter use of the HMEC 322 headset ....................................... 131
Using the headsets ........................................................................................... 132
Turning NoiseGard™ on/off ..................................................................................................... 132
Mono/Stereo selection (except HMEC 305, HMEC 305-C, HMEC 322 and HMDC 322)........... 132
Adjusting the volume ............................................................................................................... 132
Adjusting the microphone gain ................................................................................................ 133
Attaching the cable clip ............................................................................................................ 133
Folding up the headphones ...................................................................................................... 133
Spare parts ....................................................................................................... 134
In case of difficulty ........................................................................................... 136
Valuable information on NoiseGard™ .............................................................. 138
The NoiseGard™ principle ........................................................................................................ 138
Connector assignment ............................................................................................................. 141
Technical data ..................................................................................................142