To connect the headset via an adapter cable:
Connect the
Connect the plug or
Powering the NoiseGard electronics via two (rechargeable) batteries
Open the cover of the battery compartment on the operating control.
Insert two 1.5 V AA
Close the cover of the battery compartment .
With NoiseGard switched on (see “Switching NoiseGard on/off” on page 21), the LED provides information on the remaining battery/rechargeable battery capacity.
LED | lights up yellow: | The battery capacity is sufficient. |
LED | lights up red: | The batteries are flat. Replace the batteries. |
If the battery voltage is too low, NoiseGard automatically switches off to protect the batteries from total discharge and leakage.
Replace the batteries or recharge the rechargeable batteries.
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