User Guide

− Operation −
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6.10 Key lock
If you carry the handset around a lot, you can lock the handset keypad
so that buttons are not inadvertently activated. Calls can still be taken in
the normal way even when the key lock function is activated.
6.10.1 Activating the key lock function
 Press for 2 seconds
6.10.2 Deactivating the key lock function

, 

Press and confirm
Tip: Pay attention to the accompanying texts which appear above
the Display buttons.
6.11 Handset ringing melody
If you do not want to be disturbed, the handset ringing melody can be
deactivated.
6.11.1 Deactivating the handset ringing melody
 Press for 2 seconds
The  icon appears in the display. The base station rings in the event of
an incoming call but not the handset.
6.11.2 Activating the handset ringing melody
 Press for 2 seconds
The  icon disappears from the display.
6.12 Notes on range
The handset has a range of approx. 50 meters indoors and approx. 300
meters outdoors. In the case of a good connection to the base station,
the  icon appears continuously in the display.
Note: If the handset is moved too far from the base station, the 
icon flashes and acoustic warning signals are issued. Move
towards the base station, otherwise the call will be
disconnected. If the connection between the handset and base
station has been lost, the message
 
appears in
the display.