Casio C721 User Manual

Quick Access to Convenient Featur

es

  For information about how to lock and unlock the phone, see 

page 163. 

  If you press Mute during a call, the person you are speaking with 

cannot hear you or any sounds from your side of the conversation. 

However, you can still hear them. To activate Mute:

 During a call, press the Left Soft Key [Mute].

 To unmute, press the Left Soft Key [Unmute].

 

 With the flip open, press the Volume Keys 

<> up or 

down to select All Sounds Off, Alarm Only, Vibrate Only, 

Low, Medium Low, Medium, Medium High and High.

 Press the Center Select Key [OK] to save. 

 To check the ringtone’s volume, press the Left Soft Key [Play]. 

  The keypad volume is adjusted through the Menu. For more 

detail, see page 150. 

 

 

  With the flip open, press and hold the Volume Key  

> Down 

to enable the Sounds Off mode. Sounds Off mode turns off 

all phone sounds. Press and hold the Volume Key  

< Up to 

revert to Normal Mode.