See also:

Opening the tone settings in the Options menu*
1. "CD/Multimedia" or "Radio" 2. If necessary, select additional entries, for example, "FM" or "CD/DVD". 3. Open "Options". 4. "Tone" ...

Switching off
Press the button repeatedly until the LEDs go out. ...

General information
Instructions for voice activation system. To have the available spoken instructions read out loud: ›Voice commands‹ ...