To switch error tones on/off: (9504/9508)

1.Press the key menu MENU button.

2.Use the up arrow up and down down arrow arrow keys to locate Screen/Sounds or Screen & Sound Options. Press the Select soft key.

3.Use the up arrow up and down down arrow arrow keys to locate the option Error Tone.

4.Use the left arrow left and right right arrow 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.