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Enquiry Key
Hands-Free/Open-Listening Key
Disconnect Key
Muting Key
Löschen Key (Clear Key)
Plus/Minus Key
System Telephones on the Comfort Pro S/T-Comfort 930 DSL
This is used to initiate an enquiry call.
This key (which has an LED) lets you make calls using the micro-
phone and/or loudspeaker. The illuminated LED of the key indi-
cates that hands-free telephoning is activated. The LED flashes
when open-listening is activated. On the T-Comfort 630 Sys-
temtelefon only open listening is possible, and there is no LED
indicator.
Pressing this key ends the current call (only on the
T-Comfort 730 Systemtelefon and the T-Comfort 830 Sys-
temtelefon).
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. You can only mute the T-Comfort 630 Sys-
temtelefon using the "Connections" MenuCard.
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.
The functions of this key depend on the device's current status:
It adjusts the volume during open-listening/hands-free
■
mode.
Key Assignments 17
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