Ringing Tone Off; Microphone; Star Button / Key Lock - switel DC66 Série Mode D'emploi

Telephoning
Setting the receiver volume
The volume can be adjusted to one of 5 levels during a call.
E / F
You can also switch the receiver amplifier on or off.
D
D
Displaying the duration of a call
The duration of a call is displayed in hours, minutes and seconds during the call.
Switching the ringing tone off
The handset's ringing tone can be switched off.
3 sec. #
3 sec. #
85
Handsfree
This function is used to listen to the caller via the loudspeaker.
A
A
Muting the microphone in the handset
The microphone in the handset can be activated and deactivated during a telephone
conversation.
C
C
87
Key lock
The key lock feature prevents functions assigned to buttons being activated accidental-
ly.
3 sec. *
3 sec. *
92
The LED on the handset lights up if the amplifier is switched on.
Incoming calls can still be taken in the normal way even when the key lock
function is activated.
Select the required volume
Switch the amplifier on
Switch the amplifier off
Switch off the ringing tone
Switch on the ringing tone
Activate handsfree talking
Deactivate handsfree talking
86
Deactivate the microphone (muting
function on)
Activate the microphone
Activate the key lock function
Deactivate the key lock function