AUDIO/VIDEO SYSTEM190(d) DSP control1. Push the AUDIO button.2. Touch Sound.3. Touch DSP tab to display thisscreen.4. Touch the desired button.Surround function (if equipped):Touch On of Surround and touchOK.The surround function will turn on.Automatic sound levelizer (ASL):When the audio sound becomes difficult tohear due to road noise, wind noise or othernoises while driving, touch On. The sys-tem adjusts to the optimum volume andtone quality according to the speed of car,wind noise or other noise.(e) Ton...