switel DC66x, Руководство по эксплуатации

Страница: 92 / 104

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