Fujitsu Ten ECLIPSE OWNER'S MANUAL / CD3200
The main unit is set at the factory to emit a beep tone in response to button operation. The guide tone feature may be disabled in the following procedure:
Press the [SELECT] (Up/Down) button to select Guide Tone.
Press the [ENTER] button.
The guide tone setting mode is activated.
Press the [SELECT] (Up/Down) button to select Guide Tone ON/OFF.