User's Manual

C312X
UserManual
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2.2.2. During the Session
 Press the volume button on the left side to adjust the ring tone
volume.
 Press Hangup Touch Key to hang up the current call.
 Prees Mute Touch Key to eliminate the voice on C312X’s side.
2.3. Lock
2.3.1. Lock the Keyboard
 Press Lock Key to lock C312 keyboard.
 The LED will turn orange.
2.3.2. Unlock the Keyboard
 Long press Lock Key to unlock C312 keyboard.
 The LED will turn yellow.
Figure2.2Receive a Call