Operating a delegate unit
ADN C1/ADN D1 | 5
Deactivating the microphone/Cancelling a request to speak
To deactivate the microphone when you have finished speaking or to can-
cel a request to speak (“Direct Access”, “Override” or “Request” mode):
̈ Press the microphone key ¶ once more.
The microphone LED º and the signal light ring · go off.
In “Push To Talk” mode:
̈ Release the pressed microphone key ¶.
The microphone LED º 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 volume
To adjust the volume:
̈ Turn the headphone volume control ᕦ
– 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.
CAUTION
Hearing 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.
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