[. . . ] Warning Check if the voltage indicated on the appliance corresponds to the local mains voltage before you connect the appliance. the appliance is suitable for mains voltages of 230V and frequencies of 50Hz. If the mains cord is damaged, you must have it replaced by the manufacturer, a service centre authorised by the manufacturer or similarly qualified persons in order to avoid a hazard. [. . . ] Using the appliance Menu functions Below you find a description of all functions that can be set in the menu. These functions appear in the menu in the following order: - Clock time - Alarm time - Alarm sound (HF3470 only) - Display brightness: You can choose a display brightness between 1 and 4. You can set the menu functions in the following way: 1 Press the MENU button to enter the menu (Fig. 11) 2 Press the light intensity + and - buttons to select a light intensity (Fig. Note:The light intensity you have selected is automatically set as the light intensity level for the alarm as well. Tip:When you use the appliance for the first time, set the light intensity to 20. The moment you wake up, check which light intensity level the appliance has reached by briefly pressing the light intensity + or button. When you do this, the current alarm light intensity level appears on the display. When you set the alarm, you choose an alarm time and (only in case of HF3470) the type of sound you want to wake up to. The light intensity slowly increases to the selected level during the last 30 minutes before the set alarm time. The sound slowly increases in 90 seconds to the selected level after the set alarm time. Note:You can set the light intensity by pressing the light on/off button and then pressing the light intensity + or - button and you can set the alarm volume by pressing the volume increase or decrease button. If you do not want to wake up to the lamp or to a sound, set the light intensity or volume level to OFF. see sections `Using the lamp' and `Radio/volume' in this chapter. 1 Push the control lever down to the middle position to switch on the alarm. If this is not the case, push the control lever up and down again to enter the alarm time mode. 9) 5 Press the SELECT button to confirm or wait for a few seconds (Fig. Switching off the alarm To switch off the alarm function, push up the control lever to the top position. [. . . ] Troubleshooting This chapter summarises the most common problems you could encounter with the appliance. If you are unable to solve the problem with the information below, contact the Consumer Care Centre in your country. Solution Perhaps the plug is not inserted properly in the wall socket. [. . . ]