Ringing Tone Off - switel DC691 Bedienungsanleitung

Telephoning
Forwarding external calls internally
O INTERCOM O
2
HS2: A
HS1: B
Making conference calls
An external call can be transferred to another internal handset for a conference call.
O INTERCOM O
2
HS2: A
HS1: 3 sec. *
HS1 / HS2: B
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
Setting the base station volume
The volume of the loudspeaker can be set to one of 8 different levels.
i / j
You can adjust the volume to one of five levels on the base station during a call.
i / j
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. #
104
The LED on the handset lights up if the amplifier is switched on.
During the external call
Dial the internal call number, if necessary
Internal call is taken on the other handset
Forward the call
During the external call
Dial the internal call number, if necessary
Internal call is taken on the other handset
Start the conference
End the conference
Select the required volume
Switch the amplifier on
Switch the amplifier off
Select the required volume
Select the required volume
Switch off the ringing tone
Switch on the ringing tone