Introducing the OmniBook Identifying the Parts of the OmniBook CD-ROM drive buttons Selected OmniBook models have CD-ROM buttons on the front. Use these buttons to play music CDs when the system is off. (When the system is on, use the software controls in the Windows operating system.) 1 Power (slide to turn on or off) 2 Previous track 3 Play 4 Stop 5 Next track 6 Volume control down 7 Volume control up 18 Setup Guide