Connecting a mobile telephone

The 2.5 mm jack socket allows you to connect a mobile telephone. For this purpose, the microphone plug must be connected to the aircraft radio/intercom. A suitable adapter for your mobile telephone with 2.5 mm jack socket is available from your Sennheiser agent.

DANGER! Danger of accident due to reduced attention!

Making telephone calls or operating the mobile telephone limits your attention and may cause accidents.

￿During flight operation, do not use the headset for telephone calls!

Note:

For the latest list of compatible mobile telephones, please refer to the “Cell Phone Compatibility” section on our website at www.sennheiser.com. Search under “Products”, “Aviation” and “more info …”.

￿ Connect the audio cable to the 2.5 mm jack socket on the operating control and to the corresponding jack socket on your mobile telephone.

You can adjust the volume of the mobile telephone via the headset’s operating control. However, the functions of the mobile telephone cannot be controlled via the headset’s operating control.

￿Switch NoiseGard 2.0 on (see “Switching NoiseGard on/ off” on page 16).

Audio from the mobile telephone and from the intercom are heard simultaneously through the headset.

￿Operate your mobile telephone as usual and observe the manufacturers instructions.

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Sennheiser 250 instruction manual Connecting a mobile telephone