2008 Mazda CX-9 Owner's Manual - Page 261

Interior Comfort Audio System * AudioPilot® (Bose® Sound Systemequipped model) AudioPilot automatically adjusts audio volume and sound quality in accordance with the level of noise entering the vehicle interior while driving. When AudioPilot is turned ON, the system automatically calculates the conditions for optimum hearing of sound which may be difficult to hear depending on exterior noise. * AudioPilot® is a registered trademark of Bose Corporation. * 3. Turn the audio control dial to select CENTERPT MIN―MAX mode. The selected mode will be indicated. Centerpoint® (Bose® Sound Systemequipped model) Centerpoint offers you the experience of 5.1-channel surround sound in your vehicle even with your conventional 2channel stereo DVDs inserted in the Rear Entertainment System main unit or 2channel stereo CDs. The true surround sound effect of Centerpoint can be adjusted to any one of five level between minimum and maximum enhancement. Indication Enhance level Minimum Low Medium High Maximum NOTE l l Centerpoint® operates optimally with a 2channel stereo CD. MP3 audio files can be played, however, MP3 audio files encoded with high compression may result in poor sound quality. Centerpoint® is available for 2-channel stereo audio except for AM/FM/SIRIUS/ AUX. * Centerpoint® is a registered trademark of Bose Corporation. Rear seat-optimized The rear seat-optimized function allows passengers to optimize the audio output to the rear for a more pleasurable acoustic field when selecting the 5.1-channel sound mode. Select Surround Rr to increase the surround effect to the rear seat. Select Surround ALL to apply the surround effect to all seats. NOTE Rear seat-optimized is only effective if a CD or a DVD inserted in the Rear Entertainment System main unit is 5.1 Dolby Digital/DTS audio. 1. Turn the audio control dial and select CENTERPT ON. 2. Press the audio control dial and select the surround effect mode. 6-31