6 C66’s basic setting6.1 Keyboard1. Press Menu ->Settings-> Enter->Basic Setting-> Enter->Keyboard->Enter.2. There are four items: DSS Keys, Multiplex, Long Click, SoftKey, You canset up respectively on them. Press the key Enter to the interface, then use thenavigation keys to choose the function for the key according to you want.3. Press the key OK to save.6.2 Screen Set1. Press Menu ->Settings-> Enter->Basic Setting-> Enter->Screen Set->Enter.2. You can set Contrast , contrast calibration and Brightness, press Enter anduse the navigation keys to set, then press the key Save.6.3 Ringer Set1. Press Menu ->Settings-> Enter->Basic Setting-> Enter->Ringer Set->Enter.2. You can set Ringer Volume and Ringer Type, press Enter and use thenavigation keys to set, then press the key Save. In the Ringer Type, the defaultsystem rings have nine and the custom ringtones have three that can be setthrough the web page.6.4 Voice Volume1. Press Menu ->Settings-> Enter->Basic Setting-> Enter->VoiceVolume->Enter.2. Use the navigation keys to turn down or turn up the voice volume, the pressthe key Save.6.5 Time & Date1. Press Menu ->Settings->Enter->Basic Setting-> Enter->Time &Date->Enter.2. You have two options to choose: Auto and Manual, use the navigation keysto choose, then press Save.