Product Information file:///D|/My%20Documents/dfu/190G6/english/190g6/product/product.htm (15 of 20)2005-08-23 1:18:41 PM When playing audio CD’s using the CD ROM driver of the PC, one should enable the digital audio extraction in the system device manager. If you need more information refer to the TroubleShooting section in Appendix C of this document. 3.3.5. Presets Tab The Preset functions enable you to make snapshots of the state of all Philips Sound Agent 2 controls, so that you can conveniently reload the same settings at any time.