Sennheiser HMEC 460 manual Activating the “auto shut-off”function, Connecting a mobile telephone

Activating the “auto shut-off” function

The battery-saving “auto shut-off” function automatically switches the NoiseGard electronics off when the headset is disconnected from the intercom or when the aircraft avionics are switched off. The headset is delivered ex-works with the “auto shut-off” function deactivated.

To activate the “auto shut-off” function:

￿ Open the cover of the battery compartment on the operating control. ￿ Set the switch to the position “ASO”.

￿ Close the cover of the battery compartment .

Connecting a mobile telephone

The 2.5 mm jack socket allows you to connect a mobile telephone. A suitable adapter for your mobile telephone with 2.5 mm jack socket is available from your Sennheiser agent.

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