See also:

Cooling system
...

Locking or unlocking the phone book
Select “Phonebook Lock (Phbk Lock)” or “Phonebook Unlock (Phbk Unlock)” using a voice command or the “TUNE/SEL” knob. Input the PIN by either of the following methods and select “ ...

Open source license
This product uses the following open source software. · T-Kernel This Product uses the Source Code of T-Kernel under T-License granted by the T-Engine Forum (www.t-engine.org). · C Library ...