4-10 Using Your NEC Versa Auto Vibration Prevention Mode Switch — accessiblewith CD drawer open and no CD inserted. When thisswitch is on, the drive detects unbalanced CD andchanges its rotational speed in order to reduce drive vi-bration.CD LoadingTo insert a CD into the CD-ROM reader, follow thesesteps.NOTEThe CD-ROM reader ships with a shippingrestraint installed. Remove the restraint by lifting onthe plastic edge near the center hole. Do not inserta CD with the restraint installed.1. Press the release button and pull the CD tray out of thereader bay.2. Put your CD, printed side up, into the circular impres-sion in the tray.3. Push the CD tray in until it clicks shut.NOTESome CDs vibrate when playing. This doesnot affect CD-ROM reader functioning.