Sennheiser HMD 26-II User Manual

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Operation
10
Control unit for HMDC 26-II in conjunction with cable -B-7 
Switching NoiseGard on and off (HMDC 26-II)
The NoiseGard 
ON
/
OFF
 switch 
1
  allows  you  to  switch  the 
NoiseGard active noise compensation on or off. With Noise-
Gard switched off, the headset can be used as a conventional 
headset.
Set the NoiseGard 
ON
/
OFF
 switch 
1
 to the desired 
position:
1
NoiseGard 
ON
/
OFF
 
switch
2
LED
Position Function
ON
NoiseGard™ is switched on.
The LED 
2
 lights up, indicating the battery charge 
status.
OFF
NoiseGard™ is switched off. 
The LED 
2
 is off.
2
1