2009 Cadillac DTS Owner's Manual - Page 244

Digital Signal Processing (DSP) This feature is used to provide a choice of four different listening experiences. DSP can be used while listening to the audio system or a CD. To change the DSP mode, press the a knob until the DSP control label displays. Press the pushbutton located under the DSP label until the control labels display. Continue by pressing the desired button below the control labels on the display. For more information on the control label displays, see the following: • Norm (Normal): Select this screen button to adjust the audio for normal mode. This provides the best sound quality for all seating positions. • Driv (Driver): Select this screen button to adjust the audio for the driver to receive the best possible sound quality. • Rear: Select this screen button to adjust the audio for the rear seat passengers to receive the best possible sound quality. • Surround (Centerpoint®): Select this screen button to enable Bose® Centerpoint signal processing circuitry. Centerpoint produces a full vehicle surround sound listening experience from a CD, MP3/WMA, or XM stereo digital audio source and delivers five independent audio channels from conventional two channel stereo recordings. (Not available for AM, FM, or auxiliary sources.) 3-104 DSP is only available on vehicles that have the Bose Premium audio system. Finding a Category (CAT) Station CAT (Category): The CAT button is used to find XM stations while the radio is in the XM mode. To find XM channels within a desired category, perform the following: 1. Press the BAND button until the XM frequency displays. Press the CAT button to display the category tabs. Continue pressing the CAT button until the desired category name displays. Another way to select a category is to press the s REV or \ FWD button until the desired category is selected. 2. Press either of the two pushbuttons below the desired category tab to immediately tune to the first XM station associated with that category. 3. Turn the a knob, press the pushbuttons below the displayed right or left arrows, or press either SEEK arrow to go to the previous or the next XM station within the selected category. 4. To exit the category search mode, press the FAV button or BAND button to display your favorites again.