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7.4  Adjusting the audio functions  
You can select the ring tone for your telephone (6 choices) and adjust its volume (4 levels). 
7.4.1 Choose the tune  
  Ext. Melody  
  Int. Melody 
  Select the ring tone for internal or external incoming calls.  
  Select the melody of your choice. 
  Apply. 
7.4.2 Adjusting the ringer volume  
  Select the volume of your choice. 
  Apply. 
 
 
7.4.3 You can adjust the buzzer/ringer mode according to your needs  
  Press on the ringer/vibrate key. 
  Off: Ringer and buzzer are deactivated. 
  Ring only: Rings only. 
  Vibrate then ring: The handset vibrates and then rings. 
  Vibrate only: The handset vibrates and doesn 't ring. 
  Vibrate and ring: The handset vibrates and rings simultaneously. 
This key can be used to switch rapidly from the ringer to the vibrate mode and vice-versa.