Operation Manual

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Telephoning
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HS1: , Dial the internal call number during the
 or ,
Select
conversation with the external caller
HS2:  Take the internal call on the other handset
HS1:  Switch between callers
Making conference calls
An external call can be transferred to another internal handset for a conference call.
HS1: , Dial the internal call number during the
 or ,
Select
conversation with the external caller
HS2:  Take the internal call on the other handset
HS1: hold down  Start the conference
HS1:  Only continue with external caller
HS1/HS2:
End the conference call
Setting the receiver volume
The volume can be adjusted to one of 5 levels during a call.
 or  Select the volume required
Displaying the duration of a call
The duration of a call is displayed in hours, minutes and seconds during the call.
Handsfree mode
This function is used to listen to the caller via the loudspeaker.
 Activate the handsfree facility
 Deactivate the handsfree facility
Muting the microphone in the handset
The microphone in the handset can be activated and deactivated during a telephone con-
versation.
Mute
Deactivate the microphone (muting function
activated)
Unmute Activate the microphone
Key lock
The key lock prevents functions assigned to buttons being activated inadvertently.
2 sec.
Activate the key lock function
Incoming calls can still be taken in the normal way even when the key lock func-
tion is activated.
2 sec. Deactivate the key lock function
Handset ringing melody
The ringing melody on the handset can be deactivated.
2 sec.
Deactivate the ringing melody