Operating a delegate unit

￿

 Vol -Vol +

Deactivating the microphone/Cancelling a request to speak

To deactivate the microphone when you have finished speaking or to cancel a request to speak (“Direct Access”, “Override” or “Request” mode):

￿Press the microphone key  once more.The microphone LED  and the signal light ring  go off.In “Push To Talk” mode:￿Release the pressed microphone key .

The microphone LED  and the signal light ring  go off.

Connecting headphones￿Connect headphones with a 3.5 mm jack plug to the headphone socket .Adjusting the headphone volumeCAUTIONHearing damage due to high volumes!

Listening at high volume levels for long periods can lead to permanent hearing defects.

￿Set the volume to a medium level.

￿Do not continuously expose yourself and other con- ference participants to high volumes.

To adjust the volume:￿Turn the headphone volume control –to the right to increase the volume or–to the left to reduce the volume.At switch-off, the headphone volume is reset to a medium level.

ADN C1/ADN D1 5