8.4   Automatic lock 
 When your phone's backlight goes off, the phone is locked at the same time. 
 Activate the automatic lock 
   Select the application. 
 Settings 
   Application   Lock   Lock on backlight off 
   Enable the feature. 
 Set the time-out duration for the phone backlight and lock 
   Select the application. 
 Settings 
   Application   Screensaver   Backlight time-out 
   Set the time-out duration for the phone backlight. 
 Unlock your terminal 
   
   Enter your password to unlock the phone. 
8.5   Adjusting the audio functions 
   Select the application. 
 Settings 
   Device   Audio 
   Your handset allows you to set different ring tones depending on the type of incoming call. 
o   On-site ringing 
o   Off-site ringing 
o   Special ringing 
o   Event ringing 
   Select the ring to associate with each type of call. 
   Validate your choice. 
 Ok 
8.6   Activate/deactivate silent mode 
   Select the application. 
 Settings 
   Device   Audio   Silent ringing 
   Enable or disable the feature.