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Key Assignments
20
System Telephones on the Forum 500 / Forum 5000
Redial Key
Pressing this key opens a MenuCard containing a list of the
last-dialled numbers.
Enquiry Key
This is used to initiate an enquiry call.
Hands-Free/Open-Listening Key
This key (which has an LED) lets you make calls using the
microphone and/or loudspeaker. The illuminated LED of the key
indicates that hands-free telephoning is activated. The LED
flashes when open-listening is activated.
Disconnect Key
Pressing this key ends the current call.
Muting Key
This key (which has an LED) deactivates the microphone.
The ringer of your telephone can be switched off for incoming calls
over the muting key.
C Key
A short press of this key deletes input or list entries in the
menu. Pressing and holding the key deletes a complete entry or a
list, e.g. the call list.
Plus/Minus Key
The functions of this key depend on the device’s current
status:
z
It adjusts the volume during open-listening/hands-free mode.
z
It adjusts the volume when making a call via the handset.
z
It adjusts the volume of the ringer tone during a call.