2008 Volvo C70 Owner's Manual - Page 213

For further information, refer to the accessory manual USB/iPOD Music Interface. Sound settings Optimal sound reproduction The audio system is calibrated for optimal sound reproduction through the use of digital signal processing. This calibration takes into account the speakers, amplifier, cabin 237 10 Audio Audio functions acoustics, the seating position of the listener, etc., for each combination of vehicle and audio system. There is also dynamic calibration that takes into account the setting of the volume control, radio reception, and the vehicle's speed. The sound settings described in this manual, such as BASS, TREBLE, and EQUALIZER are only intended to enable the user to adapt sound reproduction to his/her personal preferences. 1. Press SOUND (5). Press this button repeatedly until you come to the setting that you wish to change. 2. Turn the TUNING dial (4) to make the desired setting. The following settings can be made: BASS - set the bass level TREBLE - set the treble level BALANCE - set the left/right sound balance FADER - set the front/rear sound balance SUBWOOFER (accessory) - set the level for the subwoofer (bass speaker) CENTER - make settings for the center speaker SURROUND1 - make settings for surround sound Subwoofer (accessory) To switch the subwoofer on or off: 1. Press MENU followed by ENTER . 2. Select AUDIO SETTINGS and press ENTER . 3. Select SUBWOOFER and press ENTER . Surround sound Surround sound settings are used to balance sound levels throughout the vehicle. Surround settings for the various sound sources are made separately. NOTE Dolby Surround Pro Logic II is only available on the Premium Sound system.