[. . . ] Please follow these instructions carefully to ensure your product operates correctly. [. . . ] Do not use detergents, cleaning products or solvents to clean the machine. Do not hold the unit close to a powerful magnetic field (ex: loudspeakers), or a static source of electricity. According to your listening preferences, adjust the volume by rolling the volume knob (3). You can also press the [RESET] button (1) to put the receiver back to the lower end of FM band (88 MHz) and start the radio station scan from there. When the radio is not in use, remember to switch off the volume knob (3). Caution: The excessive use of this product at full power might damage hearing. [. . . ] Please actively support the conservation of resources and help protect the environment by returning this appliance to a collection centre (if available) [. . . ]