To switch error tones on/off: (1408/1416)
1.Press the MENU button.
2.Use the up and down arrow keys to locate Screen/Sounds or Screen & Sound Options. Press the Select soft key.
3.Use the up and down arrow keys to locate the option Error Tone.
4.Use the left and right arrow keys or press the On/Off soft key to change the setting.
5.When completed, press the Done soft key.
6.Press the Exit soft key to exit the menus.
To switch error tones on/off: (1403)
1.Press the MENU button.
2.Press # until Screens/Sounds is displayed.
3.Press # until Error Tones is displayed.
4.The current setting, On or Off, is shown. Press * to change the setting.
5.Press the MENU button to exit the menu.