User guide 
 
 
 
 
4 
Audio settings ..................................................................................................................................... 39 
Silent mode .................................................................................................................................................................................... 39 
Switching on silent mode ........................................................................................................................................................... 39 
Switching off silent mode ........................................................................................................................................................... 39 
Adjusting the volume...................................................................................................................................................................... 39 
Setting the ring tone ....................................................................................................................................................................... 39 
Setting the ring tone for the internal calls .................................................................................................................................. 39 
Setting the ring tone for the external calls ................................................................................................................................. 40 
Silent charging ............................................................................................................................................................................... 40 
Setting the vibration mode ............................................................................................................................................................. 40 
Disabling the noise cancellation..................................................................................................................................................... 40 
Bluetooth ............................................................................................................................................ 41 
Enabling/disabling the Bluetooth.................................................................................................................................................... 41 
Searching and pairing with a Bluetooth headset ........................................................................................................................... 41 
Managing paired headsets............................................................................................................................................................. 41 
Editing device name of your handset ............................................................................................................................................. 41 
Maintaining your phone ...................................................................................................................... 42 
Investigating warnings ................................................................................................................................................................... 42 
Restarting the base station ............................................................................................................................................................ 42 
Resetting the base station ............................................................................................................................................................. 42 
Restarting the handset ................................................................................................................................................................... 43 
Resetting the handset .................................................................................................................................................................... 43 
Appendix ............................................................................................................................................ 44 
Input modes and characters .......................................................................................................................................................... 44 
Notices ................................................................................................................................................ 44 
Technical support........................................................................................................................................................................... 45 
Important customer information ..................................................................................................................................................... 45 
WEEE warning ............................................................................................................................................................................... 45 
Disclaimer ...................................................................................................................................................................................... 45 
Important 911 emergency response information ........................................................................................................................... 46 
Declaration of conformity ............................................................................................................................................................... 46 
CE mark warning ........................................................................................................................................................................... 46 
Part 15 FCC Rules ......................................................................................................................................................................... 46 
Class B digital device or peripheral................................................................................................................................................ 46 
Important safety precautions.......................................................................................................................................................... 46 
Dangerāelectric shock and fire ...................................................................................................................................................... 47 
Learn more..................................................................................................................................................................................... 47