switel DFT 827 Série Mode D'emploi page 100

Telephoning
HS1: I,
ä or å, Select
HS2: 
HS1: I
Making conference calls
An external call can be transferred to another internal handset for a conference call.
HS1: I,
ä or å, Select
HS2: 
HS1: hold down I
HS1: I
HS1/HS2:
Setting the receiver volume
The volume can be adjusted to one of 5 levels during a call.
y or z
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.
µ
µ
Muting the microphone in the handset
The microphone in the handset can be activated and deactivated during a telephone con-
versation.
Mute
Unmute
95
Key lock
The key lock prevents functions assigned to buttons being activated inadvertently.
2 sec.
2 sec.
Handset ringing melody
The ringing melody on the handset can be deactivated.
2 sec.
100
93
Incoming calls can still be taken in the normal way even when the key lock func-
tion is activated.
96
Dial the internal call number during the
conversation with the external caller
Take the internal call on the other handset
Switch between callers
Dial the internal call number during the
conversation with the external caller
Take the internal call on the other handset
Start the conference
Only continue with external caller
End the conference call
Select the volume required
Activate the handsfree facility
Deactivate the handsfree facility
94
Deactivate the microphone (muting function
activated)
Activate the microphone
Activate the key lock function
Deactivate the key lock function
Deactivate the ringing melody