2011 Mercedes SLK-Class Owner's Manual - Page 119

171_AKB; 3; 60, en-US d2ureepe, 2009-05-11T16:00:23+02:00 - Seite 117 Version: 2.11.8.1 Audio system the frequency range. Frequencies within the current frequency range, but outside the current frequency step width are rounded to the next lower allowed frequency. X X 117 Switching on: Press push button q. If the audio system was on as you switched off the ignition, turn the SmartKey in the starter switch to position 1. The audio system will come back on with the last selected function. or X Operation In the following description, an operation step is described as in the example below. $ Q Radio Q Enter Frequency is the short for X Press button $ on audio control unit repeatedly until desired wave band has been selected. X Press button :. X Press button = to select Radio. X Press button 9. The Radio menu is selected and a list of submenus appears. X Enter Frequency is selected. If it is not selected, press button 9 to select Enter Frequency. X Press button 9. The Enter Frequency submenu appears in the audio display. X i If the audio system is switched on without the SmartKey in the starter switch, it will automatically switch off again after approximately 30 minutes. X Switching off: Press push button q. Turn the SmartKey in the starter switch to position 0 and remove SmartKey from starter switch. or X i Should excessively high temperatures occur while the audio system is being operated, Temperature Too High Device switching off now. will appear in the audio display, after which the audio system will be switched off for a coolingdown period. i When you switch off the audio system, you also switch off the currently playing audio source. Also, telephone operation via the audio control unit is not possible. Adjusting volume Switching audio system on or off Z Controls in detail Enter 1045 with the keypad on the audio control unit. The audio system tunes in to the frequency entered.