Instruction Manual

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 al
lows you to switch the
NoiseGard™ active noise compensation on or off. With Noise-
Gard™ switched off, the headset can be used as a conven-
tional headset.
왘 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