Sound settings83Off: the keys do not make any sound.Tone: each key, when pressed, makes a differentsound.Beep: each key, when pressed, makes the samesound.Piano / Drum: each key, when pressed, makes thesound of a piano or a drum, depending on whichyou choose.To adjust the key tone volume, press the volumekeys on the left side of the phone in idle mode.Minute minder (Menu 4.6)This menu option allows you to specify whether ornot the phone beeps every minute during a call tokeep you informed of the length of your call.The following options are available:Off: the phone does not beep.On: the phone beeps every minute.Quiet mode (Menu 4.7)When you hold the key down in idle mode, thephone switches to quiet mode. You can specifywhether the phone vibrates or mutes all sounds inquiet mode.The following options are available:Vibration: the phone vibrates rather than ringswhen in quiet mode.Mute: the phone mutes all sound in quiet mode.