Volume control: by turning the knob SCAN (search operation): Pressing the button briefly samples the stations during radio reception or the next song during tape or CD operation (only CD changer). 2 GEO button (broader interior sound impression) Balance (left/right volume): Adjust with rocker switch <> D. Fader (front/rear volume): Adjust with rocker switch / E. 3 TREB / BASS button Treble - Reproduction of the high frequencies Adjust with rocker switch <> D. BASS - Reproduction of the low frequencies Adjust with rocker switch / E. 4 LD button (Loudness) Press this button to boost the bass frequencies at low volumes. This will lead to a more natural sound impression. 5 DSC button (Direct Software Control) This button is used for programming special functions of your car stereo. 6 dx / lo button This button is used for altering the sensitivity of the automatic station seek operation dx - high sensitivity lo - normal sensitivity Additional function of the lo button: Switching from stereo to mono: Press for longer than 2 seconds. 7 button (Dolby-NR) Use this button to activate noise suppression during tape playback. ; button for ejecting the cassette < SRC button (Source) This button is used for shifting from one audio source to another (tape radio CD tape). = PS button (Preset Station Scan ) Pressing this button briefly samples all memorized stations of the selected waveband (FM, MW, LW). > Preset buttons 1, 2, 3, 4, 5, 6 Store station - Keep button depressed during radio operation until the station becomes audible again. Recall station - Briefly press the respective button...