Instructions for Use
Page 3
... headset must be replaced by your Sennheiser agent. • Do not immerse the headset in this manual. All other parts of the headset whose replacement is described in water! The HMEC 350, HMEC 352, HMEC 355, HMEC 355-C, HMEC 356, HMEC 372, HMEC 450 and HMDC 372 are pilot headsets... with your ability to hear informational sounds and warning alarms. • Do not attempt to repair the headset yourself. If problems occur, contact your Sennheiser agent for example, those from engines, ...
... headset must be replaced by your Sennheiser agent. • Do not immerse the headset in this manual. All other parts of the headset whose replacement is described in water! The HMEC 350, HMEC 352, HMEC 355, HMEC 355-C, HMEC 356, HMEC 372, HMEC 450 and HMDC 372 are pilot headsets... with your ability to hear informational sounds and warning alarms. • Do not attempt to repair the headset yourself. If problems occur, contact your Sennheiser agent for example, those from engines, ...
Instructions for Use
Page 26
This problem concerns pilots in aircrafts is the reason why many of these problems, Sennheiser has developed an active noise compensation system - which, combined with a high-quality passive hearing protector, provides consistent noise attenuation over the entire audio range. Of ... from noise at least 95 dB(A). NoiseGard™ - Research has shown that can be able to safely monitor the aircraft engines. 26 To be turned down but low frequency wind and engine noise, the most prominent noise in jets and to 90 up to these headsets is the permanent damage to hearing...
This problem concerns pilots in aircrafts is the reason why many of these problems, Sennheiser has developed an active noise compensation system - which, combined with a high-quality passive hearing protector, provides consistent noise attenuation over the entire audio range. Of ... from noise at least 95 dB(A). NoiseGard™ - Research has shown that can be able to safely monitor the aircraft engines. 26 To be turned down but low frequency wind and engine noise, the most prominent noise in jets and to 90 up to these headsets is the permanent damage to hearing...