Page 36  01/2007 AMT/PTD/PBX/0062/1/2EN 
1.  Display the system on which the handset is registered by successively selecting 
“Menu/Local mode/System/Registration”. 
2. 
3. 
4. 
5. 
6. 
Select this system using the 
t
 
u
arrows and press “Options”. 
Select the “DELETE” line using the 
t
 
u
arrows.  
A warning message “SUR?” appears. 
Press “OK” to confirm the deletion. 
The message “No system” is displayed on the handset screen, confirming that the handset 
is no longer registered.