To disable keypad tone
1. From the home screen, press the OK/MENU key.
2. Scroll to Settings and press the OK/MENU key.
3. Scroll to Volume and press the OK/MENU key.
4. Scroll to Key Beeps and press the OK/MENU key.
5. With Tone Volume highlighted, press the OK/MENU key.
6. Scroll down until Volume Off is displayed and press the OK/MENU key.
The keypad tones are now disabled.