User guide 
 
 
 
 
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1.  Go to OK > Settings > System Settings > Eco Mode 
2.  Select Change 
 
Audio settings 
You can change the basic audio settings on your phone. 
 
Silent mode 
You can enable the silent mode if you do not want to be disturbed. The handset will not ring when receiving an incoming call, but it will still display 
the incoming call information. 
 
Switching on silent mode 
You can silence an incoming call by switching on silence mode to stop your phone from ringing. 
 
Procedure 
1.  Long press the * key until the phone prompts “All Ring Tones Off” 
The silent icon   appears in the status bar 
 
Switching off silent mode 
If you want to resume the incoming ring, you can switch off silent mode. 
 
Procedure 
1.  Long press the * key until the phone prompts “All Ring Tones On” 
The silent icon   disappears from the status bar 
 
Adjusting the volume 
You can adjust the volume of the ringer, media, and audio during a call. 
 
Procedure 
Do one of the following: 
•  Press the Volume key 
•  Press the left or right navigation key when the handset is idle 
•  Go to OK > Settings > Audio > Ring Tones > Volume and press the left or right navigation key. 
 
Setting the ring tone 
Ring tones are used to indicate the incoming calls. 
 
Setting the ring tone for the internal calls 
You can select a unique ring tone for the internal calls, so that you can identify callers when the phone rings.