OpenPhone 71/73/75 System Telephones
1.2.10 Muting Key
S
To deactivate the microphone during a call. The illuminated LED of the key
indicates that the microphone is turned off. The LED of the key is illuminated when
the microphone is deactivated. The ringer of your telephone can be switched off
for incoming calls over the muting key.
1.2.11 Disconnect Key
T
Pressing this key ends the current call.
1.2.12 Headset Key
K
If a headset is connected and switched on (to switch on a headset, see
page 108), calls can be accepted and calls can be ended by pressing this key. The
LED of the key is illuminated when a call is made via the headset.
It is also possible to enable a second person to listen in on a call over a connected
headset while you are telephoning over the handset. To enable, press the headset
key during the call. Open-listening over the headset is now activated, the LED on
the headset key flashes.
1.2.13 Enquiry Key
R
To initiate and end an enquiry call. After you have ended an enquiry call,
switch back to the call being held with this key.
1.2.14 Plus/Minus Key
=
This key offers various functions which depend on the device status. It
serves to
■
It adjusts the volume during open-listening/hands-free mode.
■
It adjusts the volume when making a call via the handset.
■
to adjust the volume of the headphones of a headset
(The volume of the microphone can be adjusted over the MenuCard
settings
, see page 108.)
Key Assignments
Phone
19