-1- ON/OFF button
-2- Function selector buttons
- To call up an overview of all main functions: press the function selector button for MENU.
- To call up a main function (e.g. radio) directly: press the function selector button for RADIO.
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- To tune to the previous/next radio station, for example.
- To activate fast rewind/forward, for example in CD mode.
-4- BACK button
To cancel a selection that has not been confirmed or to return to the previous function level.
-5- Control buttons
To call up a function displayed in one of the corners of the display. For instance, the bottom right control button corresponds with the bottom right corner of the display Fig. 2.